Omega DRA-RTM-8 - Manuals - manualsarea.com

Page 2 - OMEGAnet

USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGASMCustomer Service: 1-800-622-2378 / 1-800-622-BESTSMEngineering Service: 1-800-872-9436 / 1-800-USA-WHENS MTELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA Mexico andLatin America: Tel: (95) 800-TC-OMEGASM FAX: (95) 203-359-7807 En Espanol:...

Page 3 - Contents

Contents 1. GENERAL DESCRIPTION 2. MOUNTING INSTRUCTIONS 3. REPLACING FUSES 4. ASSEMBLY 5. CURRENT INPUTS 6. CONNECTING TRANSMITTERS TO THE MULTIPLEXER 7. CONNECTING Pt-100 TO THE MULTIPLEXER 8. CONNECTING THE MULTIPLEXER TO A PLC 9. CONTROL 9.1 Enable 9.2 Address 9.3 Address Polarity 9.4 Control Ta...

Page 4 - GENERAL DESCRIPTION; WARNING: Never install a fuse rated more than 800mA; MOUNTING INSTRUCTIONS; To replace a blown fuse, disassemble the unit as follows:

1. GENERAL DESCRIPTION 2 WARNING: Never install a fuse rated more than 800mA The DRA-RTM-8 is a multiplexer for 16 analog inputs - eight of which, marked1-8, are direct inputs for Pt-100 sensors, while the remaining (9-16), are for 4-20mA current loops.The DRA-RTM-8 output format is a 4-20mA current...

Page 5 - CONNECTING TRANSMITTERS TO THE MULTIPLEXER; TWO WIRE TRANSMITTER

3 Insert the two printed cards into their slots.Connect the flat cable between them.Connect the front panel flat cables. Thepanel must be inserted into the grooves onboth sides of the case while pressing downuntil a distinct "click" is heard. Assembly iscompleted by laying the terminal strip...

Page 8 - to alter these calibration potentiometers.; CALIBRATION PROCEDURE; h. Repeat this procedure until satisfactory results are obtained.

6 ADDRESS BUS E/T OUTPUT CHANNEL A0 A1 A2 A3 11111 00001 00110 01010 11111 9 10111213 111x 111x 011x 101x 1110 141516 TEST MODE ADDRESS BUS E/T OUTPUT CHANNEL A0 A1 A2 A3 00000 00001 00110 01010 11111 12345 000x 111x 011x 101x 1110 678 TEST MODE 9.4.2 "TRUE HIGH" SETTING Note: The unit inclu...

Page 9 - * The calibrator is set according to DIN 43760 Pt-100 table (; CALIBRATION TABLES; ZERO TEMP; i. Change the address to the next channel to be calibrated.

7 * The calibrator is set according to DIN 43760 Pt-100 table ( a = 0.00385) 10.2 CALIBRATION TABLES Note: Logic state of "0" is when the DIP switch lever is down. 10.2.1 "ZERO" - COARSE CALIBRATION TABLES ZERO TEMP O C CHANNELS 1-4 SW5 SW4 SW6 -50.....10 8.....75 74...140 139...206 ...

Page 10 - MULTIDROP CONFIGURATION

8 12. SPECIFICATIONS 11. MULTIDROP CONFIGURATION In the disabled state (E=0), the multiplexer outputs no current and exhibits a highZ state. This mode allows the connection of several DRA-RTM-8 units to one PLC'sanalog input, by tying their output terminals and the address lines in parallel, andappl...

Page 11 - RETURN REQUESTS / INQUIRIES

RETURN REQUESTS / INQUIRIES Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZEDRETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOIDPROCESSING DELAYS). The as...