Page 2 - Manual Print History; Please read this manual carefully before using the instrument.
165-072011 THCD-100 Power Supply Page 2 of 28 Manual Print History The print history shown below lists the printing dates of all revisions and addenda created for this manual. The revision level increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between ...
Page 3 - Table of Contents
165-072011 THCD-100 Power Supply Page 3 of 28 Table of Contents 1. GENERAL INFORMATION ............................................................................................................................................ 4 1.1. F EATURES ..........................................................
Page 4 - INFORMATION; Features
165-072011 THCD-100 Power Supply Page 4 of 28 1. GENERAL INFORMATION The THCD-100 is a multi featured process display controller, capable of interfacing directly to a mass flow meter, mass flow controller or another process transducer such as the THPS-760S Vacuum Transducer. The THCD-100 is a single...
Page 5 - Installation and Interconnections; Installation; Transducer socket Pinout – 15 Pin 'D' Type; Pin Number
165-072011 THCD-100 Power Supply Page 5 of 28 2. Installation and Interconnections 2.1. Installation The THCD-100 can be panel mounted, or used on a bench top and is a standard 96 x 48mm panel meter enclosure. Note that the instrument must always be situated in such a way as to enable adequate air c...
Page 6 - Interface Socket Pin out – Miniature 15 Pin 'D' Type
165-072011 THCD-100 Power Supply Page 6 of 28 2.3. Interface Socket Pin out – Miniature 15 Pin 'D' Type 2.4. Serial Interface Socket Pinout – 9 Pin 'D' Type 1 For RS232 only, connect only the pins designated in bold font . 2 For RS485 only, connect only the pins designated in normal font. See sectio...
Page 8 - Range; Analog Outputs
165-072011 THCD-100 Power Supply Page 8 of 28 3. FEATURES 3.1. Introduction This section describes the principles used in the THCD-100. It details the various settings for the inputs and the outputs including setpoint control. It does not detail any servicing or calibration procedures. 3.2. Analog I...
Page 9 - Setpoint Mode; Setpoint Source; Adaptive Filtering; Operational Band
165-072011 THCD-100 Power Supply Page 9 of 28 (assuming setpoint is in AUTO mode and not a slave source), then the output voltage of the setpoint would be 0.5V. The setpoint does have some configuration parameters that can be used to alter the function of the setpoint control and they are detailed a...
Page 10 - Filter Size
165-072011 THCD-100 Power Supply Page 10 of 28 b) Filter Size The size of the filter is currently configurable between 0 and 6 seconds and simply indicates the amount of readings that are taken and buffered to calculate and show the averaged reading. A filter size of 0 will naturally turn off the fi...
Page 11 - Front Panel Operation; Introduction; Menu Screens
165-072011 THCD-100 Power Supply Page 11 of 28 4. Front Panel Operation 4.1. Introduction The front panel consists of a 112x16 dot matrix VFD display with 6 membrane key switches below it. Each switch has legends on and above or below it to indicate its function under different conditions, although ...
Page 12 - Front Panel Screens; Func
165-072011 THCD-100 Power Supply Page 12 of 28 4.3. Front Panel Screens Here follows a complete breakdown of all THCD-100 screens: a) Main Screen (not changing setpoint) The main screen comes in two forms. The first shows the main channel input data (with range, fullscale and calibration applied) an...
Page 13 - Main Menu Screen; Setpoint Screen
165-072011 THCD-100 Power Supply Page 13 of 28 c) Main Menu Screen The Main Menu screen provides a path to select screens that are used for the configuration of the THCD-100 – the setpoint (value, mode, source), input (range, full scale, units string), digital communications, display filtering and r...
Page 14 - Input Screen; Filtering Screen
165-072011 THCD-100 Power Supply Page 14 of 28 Input Screen This screen allows you to change the input channel range and fullscale voltage (see the Principles section (5.2) for more information on this) and also assign a units label (up to 5, non-scaling characters) for the channel data. The number ...
Page 15 - Comms Menu Screen; Serial Screen
165-072011 THCD-100 Power Supply Page 15 of 28 f) Comms Menu Screen The Comms Menu screen provides options for setting the serial communication’s baud rate, address and RS232/RS485 protocol. Switch Functions: Func Go back to Main Menu screen ◄ Go to previous menu selection ► Go to next menu selectio...
Page 16 - Relay Screen; Factory Defaults Confirmation Screen
165-072011 THCD-100 Power Supply Page 16 of 28 h) Relay Screen This screen allows you to set the trip point for when the relay switches. The relay also contains some hysteresis to stop it ‘chattering’. This is configurable from this screen as well and is represented as a percentage of full scale of ...
Page 17 - SERIAL COMMUNICATION
165-072011 THCD-100 Power Supply Page 17 of 28 5. SERIAL COMMUNICATION 5.1. Introduction The THCD-100 allows full control and feedback via serial communication protocols (RS232 or RS485). Calibration, in fact, all controls available through the front panel, are available as commands sent using seria...
Page 18 - Main Commands; Output Current Readings – ‘r’
165-072011 THCD-100 Power Supply Page 18 of 28 … where: <a> is the address letter <cmd> is the command/query (query identified by a ‘?’ after the three chars) <params> is the comma separated parameter list, if any <response> is the acceptance indicator. <data> is the da...
Page 20 - Setpoint Initial Mode – ‘sim’; Serial Commands; Serial Baud Rate – ‘bra’; Serial Communication Protocol – ‘pro’
165-072011 THCD-100 Power Supply Page 20 of 28 g. Setpoint Initial Mode – ‘sim’ As with the value, the setpoint mode set using the ‘spm’ command (above) is a volatile setting. Again this command provides a way of setting an initial startup mode for the setpoint on power up of the THCD. It takes one ...
Page 21 - Channel Setup Commands; Input Channel Units String – ‘uiu’; Input Channel Range – ‘uir’; Input Channel Full Scale – ‘uif’; Filtering Commands; Filter Band – ‘flb’
165-072011 THCD-100 Power Supply Page 21 of 28 the new address. All subsequent communications must use the new address. The current communication address can be obtained using the query ‘add?’. The returned data is: ADDR: <address> 5.5. Channel Setup Commands a) Input Channel Units String – ‘u...
Page 22 - Filter Size – ‘fls’; Relay Control Commands; Relay Trip Point – ‘rlt’
165-072011 THCD-100 Power Supply Page 22 of 28 situation and it therefore makes no sense to attempt to change the band setting. For more information on this see the Principles section (5.6). To retrieve the current filter band, use the query ‘flb?’. The returned data is: FILTERING BAND: <band>...
Page 23 - Other Commands; User Input Re-zero – ‘irz’; Retrieve All Settings – ‘ras’
165-072011 THCD-100 Power Supply Page 23 of 28 Other Commands a) User Input Re-zero – ‘irz’ To perform a user input re-zero function, use this command. The command needs no parameters. To find the current user re-zero values for all input channels, use the query ‘irz?’. The data returned is as follo...
Page 24 - SERVICE & CALIBRATION; Service
165-072011 THCD-100 Power Supply Page 24 of 28 6. SERVICE & CALIBRATION 6.1. Service There are no user serviceable parts inside the instruments. Should any difficulties be encountered in the use of the THCD-100, it is recommended that you contact Hastings Instruments for advice and instructions....
Page 26 - Setting
165-072011 THCD-100 Power Supply Page 26 of 28 7.2. Appendix B Table 2 – Factory Defaults Setting Default Value Additional Information Repeat Rate (for output readings) 0 Repeat off Serial Communications Baud 57600 Serial Communications Protocol 1 RS232 Communicationss Address a Input Channel Units ...
Page 27 - Appendix C; Table 3 – Settings in ‘ras’ command string
165-072011 THCD-100 Power Supply Page 27 of 28 7.3. Appendix C Table 3 – Settings in ‘ras’ command string Description Type and size Input channel units string 5 char string range 8 char string representation of a float full scale 8 char string representation of a float Setpoint value 8 char string r...
Page 28 - Warranty Repair Policy; Non-Warranty Repair Policy; TOLL FREE
165-072011 THCD-100 Power Supply Page 28 of 28 8. WARRANTY 8.1. Warranty Repair Policy Hastings Instruments warrants this product for a period of one year from the date of shipment to be free from defects in material and workmanship. This warranty does not apply to defects or failures resulting from...