Omega DRA-DCC-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. MOUNTING INSTRUCTIONS 2. REPLACING FUSES 3. ASSEMBLY 4. SUPPLY VOLTAGE 5. MODES OF OPERATION 5.1 0-20 or 4-20mA output current selection 5.2 Switch Settings 6. PARALLEL CONTROL MODE 6.1 PLC Interface 6.2 The "E" (ENABLE) Terminal 7. SERIAL CONTROL MODE 7.1 RS232c / RS422 Select 7...

Page 4 - MOUNTING INSTRUCTIONS; WARNING: Never install a fuse rated more than 800mA; Figure 1

1. MOUNTING INSTRUCTIONS 2 The DRA-DCC-8 is designed for standard DIN rail mounting. Place the unit on the upper part of the mounting rail with the fastening tab facingdown. Using a suitable flat screwdriver loosen the tab slightly and attach the unitto the rail. Once the tab is loosened, ensure tha...

Page 5 - MODES OF OPERATION; Parallel Control Mode

3 The DRA-DCC-8 is powered by a DC power supply at a range of 15-32Vdc. In orderto determine the minimum supply voltage, use the following equation: Vmin = 8 + Rload( Ω ) * 0.02 where: Vmin is the minimum required supply voltage. Rload( Ω ) is the maximum output load including the leads resistance. ...

Page 6 - Self Test Mode; PARALLEL CONTROL MODE; Serial Control Mode

4 Figure 2. SW5 MSB Self Test Mode * according to para #5.2 6. PARALLEL CONTROL MODE * according to para #5.2 In the parallel control mode, the DRA-DCC-8 unit is controlled via a 15 bit bus.Three Address bits (A0-A3) select the proper current output channel and 12 Databits (D0-D11) determine its val...

Page 7 - SERIAL CONTROL MODE; SERIAL CONTROL SWITCH SETTINGS; BAUD RATE; SERIAL COMMUNICATION PARAMETERS

5 6.2 THE "E" (ENABLE) TERMINAL For E="1" the unit is enabled, which means that all input vectors are received andthe output is updated. When E="0" the unit ignores any new input vector. The Eterminal is recommended to be used as a strobe for parallel data which has a longset...

Page 8 - Three types of command formats are available:

6 7.4.1 BAUD RATE SELECT SW1 and SW2 select one out of four available baud rates. 300 BPS 4800 BPS9600 BPS 19200 BPS OFF SW1 SW2 OFF ON OFF OFF ON ON ON 7.4.2 ID CODE Up to eight DRA-DCC-8s can be connected in a multidrop configuration. SwitchesSW3, SW4, and SW5 (MSB) set the ID code. 7.4.3 COMMAND ...

Page 13 - 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...