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ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter
Instruction Manual
4
Table of Contents
Isolated 4-20 mA Transmitter Output Option ............................................. 18
RS-485 Serial Communications ................................................................... 18
RTU Serial Communications ....................................................... 18
Product Ratings and Approvals .................................................................. 19
Software ...................................................................................... 23
Required & Factory Wired Connection ........................................................ 29
PD765 Trident Electronics Module Layout ................................................. 30
Relays and 24 V Output Connections ......................................................... 32
RS-485 Multi-Drop Connection .................................................................... 33
4-20 mA Output & Input Signal Connections ............................................... 34
Display Functions and Messages ............................................................... 37
) .......................................................................... 38
) ..................................................................... 38
) ................................................................. 39
Setting the Temperature Scale (
) ......................................................... 39
) ..................................................................... 39
) .............................................................................. 39
) .......................................................................... 40
Recalibrating Temperature Inputs (
) ...................................................... 40
Recalibrating Process Inputs (
) ............................................................ 40
) .............................................................. 41
Scaling the 4-20 mA Analog Output (
).................................................. 46
Program the Sensor Break Output Value (
) ........................................ 46
Analog Output when Display is Out of Range ............................................ 46
) ................................................................... 47