Contents

1.MOUNTING INSTRUCTIONS

2.REPLACING FUSES

3.ASSEMBLY

4.SUPPLY VOLTAGE

5.MODES OF OPERATION

5.10-20 or 4-20mA output current selection

5.2Switch Settings

6.PARALLEL CONTROL MODE

6.1PLC Interface

6.2The "E" (ENABLE) Terminal

7.SERIAL CONTROL MODE

7.1RS232c / RS422 Select

7.2RS422 Termination

7.3Serial Control Switch Settings

7.4Serial Communication Parameters

7.4.1Baud Rate Select

7.4.2ID Code

7.4.3Command Formats

8.SELF TEST MODES

8.1Self Test # 1

8.2Self Test # 2

8.3Self Test # 3

9.MULTIDROP CONFIGURATION

10.PUTTING THE UNIT INTO OPERATION

11.CALIBRATION

12.SPECIFICATIONS

Image 3

Contents

User’s Guide Omega.comTM Contents Assembly Mounting InstructionsReplacing Fuses Supply Voltage 0-20 or 4-20mA Output Current ModeSwitch Settings Parallel Control Mode Parallel Control Mode Serial Control ModePLC Interface RS422 Termination Serial Control ModeE Enable Terminal Serial Control Switch Settings Without Echo Back Format Command FormatsThree types of command formats are available Baud Rate Select Status Report Format Self Test Modes Self Test #2 Same Level Multidrop ConfigurationPutting the Unit Into Operation Self Test #1 Communication Ports Test DRA-DCC-8 Calibration Relative Humidity Housing WARRANTY/DISCLAIMER Temperature

Omega Vehicle Security DRA-DCC-8 manual Contents