Siemens 500 NIM - User Manual

Contents iii Contents Chapter 1 TIWAY I Overview 1.1 TIWAY I System Overview 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TIWAY I Options 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

iv Contents 3.5 Series 500 NIM Self Tests 3-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power-up Self-Test 3-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

vi Contents List of Figures 1-1 TIWAY I System Block Diagram 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 NIM Simplified Block Diagram 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Contents vii List of Tables 1-1 Primitive Support in NIM Software Releases 1-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 RS-232-C Connections 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Preface ix SIMATIC TIWAY I Series 500 NIM User Manual Preface This manual contains the information necessary to install and operate theSeries 500 Network Interface Module (NIM). The following information is provided. • NIM specifications • Installation and testing procedures • Operating instructions...

Preface x SIMATIC TIWAY I Series 500 NIM User Manual • APPENDIX E — SPECIFICATIONS provides general specifications forthe Series 500 NIM. • APPENDIX F — PRIMITIVE EXAMPLES provides a simple primitiveexample in normal and extended addressing modes. The following publications contain additional inform...

TIWAY I Overview 1-1 SIMATIC TIWAY I Series 500 NIM User Manual Chapter 1 TIWAY I Overview 1.1 TIWAY I System Overview 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TIWAY I Options 1-3 . . . . . . . . . . . . . . . . . . . . . . ....

TIWAY I Overview 1-4 SIMATIC TIWAY I Series 500 NIM User Manual TIWAY I System Overview (continued) ! Figure 1-1 TIWAY I System Block Diagram

TIWAY I Overview 1-7 SIMATIC TIWAY I Series 500 NIM User Manual Table 1-1 provides a complete listing of the primitives and data typessupported in each release. Table 1-1 Primitive Support in NIM Software Releases Release 1.1 Releases 2.1 and 2.2 Release 3.0 Primitive TT Types Primitive TT Types Pri...

Network Design Considerations 2-1 SIMATIC TIWAY I Series 500 NIM User Manual Chapter 2 Network Design Considerations 2.1 TIWAY I Network Configuration 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Communication Media 2-2 . . . . . . . . . ....

Network Design Considerations 2-3 SIMATIC TIWAY I Series 500 NIM User Manual Figure 2-1 is a simplified block diagram of the Series 500 NIM. The mediainterface blocks are intentionally left unlabeled because the type of mediainterface depends on which NIM model you are using. The blocks aredescribed...

Network Design Considerations 2-4 SIMATIC TIWAY I Series 500 NIM User Manual TIWAY I Network Configuration (continued) The basic difference in the NIM models is the configuration of the mediainterface cards. Examples of the possible application of the different modelsare as follows: • If you want me...

Network Design Considerations 2-6 SIMATIC TIWAY I Series 500 NIM User Manual 2.3 Local Line Cable Installation The following paragraphs describe Local Line characteristics andinstallation guidelines. The TIWAY I Local Line is a physical signaling technique (baseband,differential current drive) which...

Network Design Considerations 2-7 SIMATIC TIWAY I Series 500 NIM User Manual The TIWAY I local line network cable consists of a main cable or spine withdroplines or taps for each Secondary. Interrelated network variables havingdirect influence upon network performance are: • Maximum trunk cable leng...

Network Design Considerations 2-8 SIMATIC TIWAY I Series 500 NIM User Manual Figure 2-2 Number of Local Line Secondaries Versus Cable Length

Network Design Considerations 2-9 SIMATIC TIWAY I Series 500 NIM User Manual Local Line Cable Installation (continued) As shown in Figure 2-2, when you use Belden 9860 cable (or its equivalent), up to 75 stations can be attached to a network operating at 38Kbps and having a spine length of 20,000 fe...

Network Design Considerations 2-10 SIMATIC TIWAY I Series 500 NIM User Manual Figure 2-3 TIWAY I Tap Housing With the cover removed from the PPX:500–5606 Tap Housing, note thatthere are three sets of terminals, and that each set is labelled G, W, and B.(See Figure 2-3.) One set of these terminals is...

Network Design Considerations 2-12 SIMATIC TIWAY I Series 500 NIM User Manual Figure 2-4 Tap Spacing Examples

Network Design Considerations 2-13 SIMATIC TIWAY I Series 500 NIM User Manual Local Line Cable Installation (continued) Cable routing should be planned as if the path between all stations on thenetwork were free of obstructions. Next, modify the first routing to accountfor obstructions, then calcula...

Network Design Considerations 2-14 SIMATIC TIWAY I Series 500 NIM User Manual Surface Duct Routing. Surface ducting for network cabling is usually installed along the baseboards or is attached to walls at desktop height.While surface ducting protects cables from both physical and EMI effects, itmay ...

Network Design Considerations 2-15 SIMATIC TIWAY I Series 500 NIM User Manual 2.4 Local Line Biasing The TIWAY I Local Line is designed to operate with shielded, twisted-paircable which has a characteristic impedance of 124 ohms. In certain networkconfigurations, the Local Line must be biased to rai...

Network Design Considerations 2-16 SIMATIC TIWAY I Series 500 NIM User Manual )%))" " %')%))" " %')%))" -$#%'' %))%#" "% . "/" $#*-" $#*-" -$#% -$#% Figure 2-5 Local Line with Two or More Switch-biased NIMs ! CAUTION Excessive noise can enter the NIM if a ...

Network Design Considerations 2-17 SIMATIC TIWAY I Series 500 NIM User Manual Local Line Biasing (continued) Termination of the Local Line must be at the tap housings at the extremeends of the network spine, and is accomplished as follows: 1. The factory-installed termination resistors in the tap ho...

Installation 3-1 SIMATIC TIWAY I Series 500 NIM User Manual Chapter 3 Installation 3.1 General Requirements 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Installing the NIM 3-3 . . . . . . . . . . . . . . . . . . . . . . ....

Installation 3-2 SIMATIC TIWAY I Series 500 NIM User Manual 3.1 General Requirements The following requirements must be met in order to install and use a Series500 NIM: 1. The appropriate NIM configuration should be selected. • 500–5039 (LOCAL LINE/LOCAL LINE) • 500–5040 (RS-232-C/RS-232-C) 2. The p...

Installation 3-3 SIMATIC TIWAY I Series 500 NIM User Manual 3.2 Installing the NIM This section describes how to mount the NIM in the Series 500 I/O base,connect the communication cables to the NIM, and initialize the system foroperation. The programmable controller (P/C) and the programming devices...

Installation 3-4 SIMATIC TIWAY I Series 500 NIM User Manual 3.3 Inserting the Module into the Base Before using the module, you should decide whether you want to protect itby “keying” the module’s position in the I/O base. As shown in Figure 3-1,keying is accomplished by placing the three keys provi...

Installation 3-5 SIMATIC TIWAY I Series 500 NIM User Manual Once the keys are in place, orient the module so that the indicators are onthe top half of the module. Then, carefully push the module into the I/Obase as shown in Figure 3-2. When the module is fully seated in the I/Obase, tabs will hold t...

Installation 3-6 SIMATIC TIWAY I Series 500 NIM User Manual 3.4 Setting the Dipswitches As Figure 3-3 illustrates, there are two blocks of dipswitches on theSeries 500 NIM. The lower block of eight switches is used to select theNIM’s address on the network. The upper block of ten switches is used to...

Installation 3-7 SIMATIC TIWAY I Series 500 NIM User Manual Table 3-2 Address Examples 1 25 203 SW8 Open Open Open SW7 Closed Closed Open SW6 Closed Closed Closed SW5 Closed Open Open SW4 Closed Open Closed SW3 Closed Closed Closed SW2 Closed Closed Open SW1 Closed Closed Open The upper block of ten...

Installation 3-8 SIMATIC TIWAY I Series 500 NIM User Manual Setting the Dipswitches (continued) 0%% ,%0%% %)" ""/" ## #"#% " ##( #% ""# ")'#"# )%),"%#" 8 %$,(9 %'0(#% $#" "#$%& " $#" )%))"-8""#%%" $#, #% "#'#% #%...

Installation 3-9 SIMATIC TIWAY I Series 500 NIM User Manual Configuration switches 1 through 4 (on the configuration switch bank)select the data transmission rate. All devices on the network must beconfigured to communicate at the same data rate. The data ratescorresponding to the switch settings ar...

Installation 3-11 SIMATIC TIWAY I Series 500 NIM User Manual Lockout/Enable. Configuration switch 9 enables the P/C to “lockout” theNIM during time-critical operations. This function is not needed normally.During lockout, the NIM will not communicate with the P/C. The actualmechanism is as follows: ...

Installation 3-14 SIMATIC TIWAY I Series 500 NIM User Manual 3.5 Series 500 NIM Self Tests The three levels of Series 500 NIM self tests available in the NIM aredescribed in the following paragraphs. They are: • Power-Up Self-Test • Run-Time Self-Test • User-Initiated Self-Test The Series 500 execut...

Installation 3-17 SIMATIC TIWAY I Series 500 NIM User Manual 3.6 Module Login Verification After the NIM has been installed and configured, you should verify that theNIM is logged into the controller I/O map. This is the first thing you shoulddo if the PC/NIM Comm Good LED is not on. Connect a progr...

Installation 3-18 SIMATIC TIWAY I Series 500 NIM User Manual 3.7 Connecting the Network Cables Network cabling should already be in place before NIM installation isbegun. If you need information concerning network cabling, see theSIMATIC TIWAY I Systems Manual (TIWAY–8101). There are two communicati...

NIM Primitives 4-1 SIMATIC TIWAY I Series 500 NIM User Manual Chapter 4 NIM Primitives 4.1 TIWAY I Primitives 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Primitive Functions 4-3 . . . . . . . . . . . . . . . ...

NIM Primitives 4-2 SIMATIC TIWAY I Series 500 NIM User Manual 4.1 TIWAY I Primitives Primitives are high-level commands that allow a user to access like datatypes in all different Secondaries in the same manner. For example, aPrimary can access image register memory in a NIM-equipped 520, 530,5TI, a...

NIM Primitives 4-3 SIMATIC TIWAY I Series 500 NIM User Manual 4.2 Primitive Functions Primitives serve as the command structure that a TIWAY I Primary uses toaccess (read or write) information in a TIWAY I Secondary. The Primitivesdefined in the following paragraphs serve these basic functional need...

NIM Primitives 4-4 SIMATIC TIWAY I Series 500 NIM User Manual 4.3 Primitive Structure and Operation A Primitive consists of multiple fields that specify the Primitive’s length andfunction, type and location of data to be accessed, and data to betransferred. In TIWAY I, a Primitive forms the informat...

NIM Primitives 4-5 SIMATIC TIWAY I Series 500 NIM User Manual Figure 4-1 illustrates the basic Primitive structure when HDLC operation isselected. There is a Request Format and a Response Format, as shown. Thebinary weight of the fields is detailed in Figure 4-2. All field lengths aremultiples of 8 ...

NIM Primitives 4-6 SIMATIC TIWAY I Series 500 NIM User Manual Primitive Structure and Operation (continued) ' " ) '# - )- - Figure 4-2 Binary Weight of the Fields Normal Primitive operation consists of a request and response sequencewithout exceptions. Exceptions are errors found in the interpre...

NIM Primitives 4-9 SIMATIC TIWAY I Series 500 NIM User Manual 4.4 Primitive Logical Groups All Siemens TIWAY Primitives fall into logical groups according to theirfunction, as shown in Table 4-1. Each Primitive has a request and aresponse format. The device initiating the transaction formats a reque...

NIM Primitives 4-10 SIMATIC TIWAY I Series 500 NIM User Manual Primitive Logical Groups (continued) The subset of TIWAY I Primitives supported by the Series 500 NIM is givenin Table 4-2. Future additions to this subset will be announced as they areimplemented. Note that each of the following Primiti...

NIM Primitives 4-11 SIMATIC TIWAY I Series 500 NIM User Manual 4.5 Primitive Field Definitions The basic Primitive Request and Response field formats are shown inFigure 4-3. Each of the basic field types shown is described in the followingparagraphs. For a detailed explanation of TIWAY Primitives re...

NIM Primitives 4-12 SIMATIC TIWAY I Series 500 NIM User Manual Primitive Field Definitions (continued) The symbols used in the remainder of this section to denote the differenttypes of Primitive fields are summarized in Table 4-3. Table 4-3 Summary of Primitive Field Symbols Symbol Description LLLL ...

NIM Primitives 4-13 SIMATIC TIWAY I Series 500 NIM User Manual Within the Descriptor Field (see Figure 4-3) are different fields to define thefollowing: data element types, location or address of a data element, numberof data elements to access, and the status of the attached device. TheDescriptor F...

NIM Primitives 4-14 SIMATIC TIWAY I Series 500 NIM User Manual 4.6 Data Element Types and Formats The data element types (TTs) and their length (in bytes) are defined inTable 4-4. Figure 4-4 through Figure 4-15 show the format of the dataelements. Table 4-4 Data Element Types and Formats TT Data Ele...

NIM Primitives 4-16 SIMATIC TIWAY I Series 500 NIM User Manual Data Element Types and Formats (continued) Table 4-4 Basic Data Unit Format (continued) TT Data Element Type Length (in bytes) ** 43 or 83 Analog Alarm Sample Rate 4 ** 44 or 84 Analog Alarm Setpoint 4 45 Analog Alarm Variable Flag* 2 46...

NIM Primitives 4-17 SIMATIC TIWAY I Series 500 NIM User Manual ##=1DCD2=869 6?A741C2 -)- FE+ ' + /- : 6 % % 3 E! 3D 3G+ Figure 4-5 Packed Discrete Data Element Format ##=-=$8A9 H I ! ' :: ( ' :6 <!'' +D3!3! + Figure 4-6 Forced Word Data Element Format

NIM Primitives 4-18 SIMATIC TIWAY I Series 500 NIM User Manual Data Element Types and Formats (continued) ##=-D=-< D6<D6 6 ? A 7 4 1 C 2 - )- . : : : : : : > >! - : % % 6 .! ' : ( ' 6 Figure 4-7 Forced Discrete and CR Data Element Format ##=6C= 8?9J $K6< "3633 ?+ $K?< =:"%#...

NIM Primitives 4-19 SIMATIC TIWAY I Series 500 NIM User Manual ' <##=? =)89 - - " ' 0 L & ) % )- *)<D3 +GD 3 +-*)<D3+ GD3+*" !<D3!!+ GD3!!+ */33 <D3!33 33 +GD3!3333 +"*/3 <D3!33 + GD3!33 +'*/) <D3! + GD3! +0*/)) <D3! +GD3! + L & ) *<G+ * * * * * .-<D...

NIM Primitives 4-20 SIMATIC TIWAY I Series 500 NIM User Manual Data Element Types and Formats (continued) ##=?"=)'89 - - "'0 L&)% M#(/$> .; )- - " ' 0 L & ) # ( / .* ********************* * /?:5#E/0,)%$ 0,0,)%$*)%$ ! **3 ( 3 ( !3 !"E"), ) )"F' 3+/+"F' 3'G ** ,3...

NIM Primitives 4-21 SIMATIC TIWAY I Series 500 NIM User Manual ##=?'= ,89J - - "'0 L&)% )- * 386=9-* 3+/+86=9 **(G * #3+ J * , F8:*?449 Figure 4-11 Ramp/Soak Status Data Element Format ##=A4=)89J - "'0 L&) % =6*0() :* -=6*0(#%# =6*0)%" " :* =6*) :*"=6*) :*'=6*LF , :*0*=(8...

NIM Primitives 4-22 SIMATIC TIWAY I Series 500 NIM User Manual Data Element Types and Formats (continued) ##=A1= ,86AD""" N##C1- 9 :::& ## & * 8:= D6=9 ## * "! 8:7=.D """" * "! * <3 <3 * <3 3 <3 :4=D9 """" Figure 4-13 Ramp/Soak ...

NIM Primitives 4-23 SIMATIC TIWAY I Series 500 NIM User Manual ##=71= '8?9 - - "'0 L&)% #(/$>. ; )- - " ' 0 * * * * * * * ** * /?:5 #E/ 0,)%$ 0*0,)%$*)%$ ! **3 )=: =6 (G *> .* 6D3+ :D3+ Figure 4-15 Analog Alarm Control Flag Data Element Format

NIM Primitives 4-24 SIMATIC TIWAY I Series 500 NIM User Manual 4.7 Data Element Address Ranges The maximum data element locations (AAAA field) for each data elementtype / controller combination are provided in Table 4-5. All values in thetable are 1-based (first legal value is 1; not zero). Values o...

NIM Primitives 4-26 SIMATIC TIWAY I Series 500 NIM User Manual 4.8 Data Field Length Restrictions Table 4-6 and Table 4-7 delineate the maximum length of the data field, inbytes, for Read and Write Primitives. Table 4-6 Maximum Read Primitive Byte Length !+ F !E+ 8$3F 9 ?: ?1B ?1B ?6 ?12 ?12 46 ?14 ...

NIM Primitives 4-27 SIMATIC TIWAY I Series 500 NIM User Manual Table 4-7 Maximum Write Primitive Byte Length $ ! F ! 8$3F 9 A: ?1C ?14 A6 ?14J ?1AJ 4? ?1A ?16 4C ?14JJ ?1AJJ 3 E+ J#3 3 E+(3 3 3 3< = F 33 3 !E+ #= 3 !E+ JJ#3 3E+(3 3 E< =?11*D3<= 3 !+ "F<=?17* 3 F ! + < <=?C:*84J...

NIM Primitives 4-28 SIMATIC TIWAY I Series 500 NIM User Manual 4.9 Series 500 NIM Primitive Descriptions The following paragraphs describe the NIM Primitives used in theSeries 500 NIM. Refer to Table 4-2 for a complete list of the Primitivessupported. Availability: Releases 1.1, 2.1, 2.2, and 3.0 Pr...

NIM Primitives 4-30 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Availability: Releases 1.1, 2.1, 2.2 and 3.0 The native Primitive 01 allows access to an attached device by using a TaskCode which is unique to the specific device addressed. By using 01,...

NIM Primitives 4-51 SIMATIC TIWAY I Series 500 NIM User Manual There are four primary forms of the upload primitive. • Initiate upload — places the attached device into upload mode. • Upload device — sequentially collects all information that defines theoperating environment for the attached device....

NIM Primitives 4-52 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Upload Data Request and Response Request: LLLL 58 01 RRRR YYYY Response: LLLL 58 HH 01 RRRR YYYY WW ZZ DD ... DD or LLLL 58 HH 02 RRRR (all data has been transferred) where: Symbol Value ...

NIM Primitives 4-53 SIMATIC TIWAY I Series 500 NIM User Manual If the terminate upload command is issued and the attached device is not inthe upload mode, an error response of LLLL 00 58 002C will be returned.This notifies the host that the terminate (02) command code is not valid inthe current mode...

NIM Primitives 4-54 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Download Request Parameter Descriptions The basic format of the download request is as follows: LLLL 59 XX ... LLLL 59 00 RRRR MMMM OOOO (may have ASCII format)LLLL 59 01 RRRR YYYY WW ZZ ...

NIM Primitives 4-55 SIMATIC TIWAY I Series 500 NIM User Manual Download Response Parameter Descriptions The basic format of the response is as follows: LLLL 59 HH 00 RRRR OOOO LLLL 59 HH XX RRRR (YYYY may be present on some XX codes) where: Symbol Value Definition HH Attached device status XX 00 Ent...

NIM Primitives 4-56 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Like the program upload primitive, there are four forms of the downloadrequest. • Initialize download — places the attached device into download modeand clears any device memory areas tha...

NIM Primitives 4-57 SIMATIC TIWAY I Series 500 NIM User Manual Download Device Request and Response Request: LLLL 59 01 RRRR YYYY WW ZZ DD ... DD Response: LLLL 59 HH 01 RRRR YYYY where: Symbol Value Definition RRRR Host reference field YYYY Download sequence count which is initially set to 0. Thisf...

NIM Primitives 4-58 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Download Examples The following pages contain examples of download requests for variousconditions. Table 4-8 summarizes the Series 500 NIM Primitives. Summary ofPrimitives

NIM Primitives 4-59 SIMATIC TIWAY I Series 500 NIM User Manual Table 4-8 Summary of Primitives Primitive "F ! !' ! ! 3 - - $- E E E E E E E E E E E E 89 )))):: 8##9 )))):6 +++ )))):6 +++ )))):? )))):?""'')))):A )))):A """"''''0000 LLLL&&&&&&&&a...

NIM Primitives 4-62 SIMATIC TIWAY I Series 500 NIM User Manual Series 500 NIM Primitive Descriptions (continued) Table 4-9 Summary of Primitives (Extended Addressing) Primitive "F ! !' ! ! 3 - - $- E E E E E E E E E E E E 89 )))):: 8##9 ))))26 +++ ))))26 +++ ))))2? ))))2?""''))))2A ))))2...

PM550 CIM Requirements A-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix A PM550 CIM Requirements A.1 Introduction A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A.2 Local Line Length A-3 . . . . . . ....

PM550 CIM Requirements A-3 SIMATIC TIWAY I Series 500 NIM User Manual A.2 Local Line Length The PM550 CIM supports operation over the Local Line at distances up to10,000 feet and 9600 baud. Advances in technology have provided line drivers and receivers thatsupport Local Line operation up to 25,000 ...

PM550 CIM Requirements A-4 SIMATIC TIWAY I Series 500 NIM User Manual A.3 Local Line Bias and Termination For TIWAY I networks using the Local Line, some devices are provided witha toggle switch to allow selection of bias or no bias for the Local Line. Otherdevices have self-biasing built in and the...

Floating Point Numbers B-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix B Floating Point Numbers B.1 Introduction B-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B.2 IBM Format B-3 . . . . . . . . . . ...

Floating Point Numbers B-3 SIMATIC TIWAY I Series 500 NIM User Manual B.2 IBM Format Floating point numbers are stored in memory in two 16-bit words asillustrated in Figure B-1. Before being stored in memory, however, thenumber is converted to a normalized hexadecimal fraction, a correspondinghexade...

Floating Point Numbers B-4 SIMATIC TIWAY I Series 500 NIM User Manual IBM Format (continued) ">)"< -6: F $ $6 $? 6+: :+4 *6+: :+:A6?4 6::+: 766: 7:2: 66: A'2: 7?17 :::: :::: :::: :::: :::: G F ' 6 $ ? $ - "F 8C9 829 )61 D D"D' E- !< -6: =8*69 JJ 3!E3F + - : )- "" D- ...

Floating Point Numbers B-5 SIMATIC TIWAY I Series 500 NIM User Manual B.3 IEEE Format The exponent portion of the IEEE format is similar to the IBM formatexcept that it is 8 bits in length and is biased by 7F . It is also different in that it represents a power of 2 instead of 16. The exponent for 2...

Floating Point Numbers B-6 SIMATIC TIWAY I Series 500 NIM User Manual IEEE Format (continued) ">)"< -6: F $ 6+: :+4 *:+4 :+:A6?4 6::+: A'2: A':: -':: A :: 7?2 :::: :::: :::: :::: :::: 6 $ ? $ - "F 829 8C9 )61 - )- Figure B-2 IEEE Floating Point Representation

Network Configuration Data Sheet C-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix C Network Configuration Data Sheet ,3 " # 0"")"'#% "#$%&% ""'#% # ) - ', F

Network Configuration Data Sheet C-2 SIMATIC TIWAY I Series 500 NIM User Manual Date Name or Identifier DATA DEFINITION TABLE Data Type Starting Address Number of Elements Record Number Block Number Length (Bytes)

Network Evaluation Form D-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix D Network Evaluation Form If you would like Siemens to evaluate your network requirements, completeand submit the Network Evaluation Form. Siemens Technical ServicesGroup will analyze your requirements and provide you wi...

Specifications E-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix E Specifications Operating temperature range 0 to 60 C (32 to 140 F) Storage temperature range –40 to 85 C (–40 to 185 F) Operating humidity range 0 to 95% relative humidity Vibration NAVMAT P9492 Model 5039: 1.25 watts, –5 VDC; ...

Primitive Examples F-1 SIMATIC TIWAY I Series 500 NIM User Manual Appendix F Primitive Examples The following TIWAY I Primitive example (which does not include anyprogram transfer capabilities) reads four words of variable memory from aSeries 500 controller, starting at memory location 100 (hex = 64...

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