Dwyer DPM User Manual
Page 43
Particulate Monitoring Systems
Installation & Operating Manual
Document No. 210-1003-M
Page 36
©2007
Modbus®/RTU Registers
Register Description Data
Address
0x Reference: Discrete output coils
Type
00001 Alarm relay 1 (1=ON, 0=OFF)
Bit
00002 Alarm relay 2 (1=ON, 0=OFF)
Bit
03073 Alarm status - alarm 1 (1=ON, 0=OFF)
Bit
03074 Alarm status - alarm 2 (1=ON, 0=OFF)
Bit
03247 Zero Check Running Status (1=Running, 0=Not Running)
Bit
03248 Span Check Running Status (1=Running, 0=Not Running)
Bit
03249 Full System Zero Check Running Status (1=Running, 0=Not Running)
Bit
03251 Zero Check Remote Activation (Set to 1 to Activate)
Bit
03252 Span Check Remote Activation (Set to 1 to Activate)
Bit
03254 Probe & Cable Check Status (1=Error, 0=OK)
Bit
03255 Zero Check Status (1=Error, 0=OK)
Bit
03256 Span Check Status (1=Error, 0=OK)
Bit
03257 Full System Zero Check Status (1=Error, 0=OK)
Bit
Description
4x Reference: Holding registers
40609 Process Variable 1 - particulate (pA)
Float
40611 Process Variable 2 - averaged particulate (pA)
Float
42309 Correlation Scaling Raw Minimum (pA)
Integer
40705 Correlation Scaling Raw Maximum (pA)
Integer
40641 Correlation Scaling Scaled Minimum (mg/m3 or gr/ft3)
Integer
40647 Correlation Scaling Scaled Maximum (mg/m3 or gr/ft3)
Integer
40721 Process Variable Units of Measure (0=pA, 1=mg/m3, 2=gr/ft3)
Integer
40737 Alarm 1 Level - (pA)
Float
40739 Alarm 2 Level - (pA)
Float
40769 Alarm 1 delay - (sec)
Integer
40770 Alarm 2 delay - (sec)
Integer
43363 Zero Check Delay Between Checks (Hours)
Float
43365 Span Check Delay Between Checks (Hours)
Float
43367 Full System Zero Check Delay Between Checks (Hours)
Float
43381 Probe & Cable Check Relay to Activate (0=None, 1=Relay 1, 2=Relay 2)
Integer
43382 Zero Check Relay to Activate (0=None, 1=Relay 1, 2=Relay 2)
Integer
43383 Span Check Relay to Activate (0=None, 1=Relay 1, 2=Relay 2)
Integer
43384 Full System Zero Check Relay to Activate (0=None, 1=Relay 1, 2=Relay 2)
Integer
43399 Zero Check Allowable Tolerance (pA)
Float
43404 Span Check Allowable Tolerance (pA)
Float
43409 Full System Zero Check Allowable Tolerance (pA)
Float
43401 Zero Check Settling Time (milliseconds)
Integer
43406 Span Check Settling Time (milliseconds)
Integer
42402 Result Measured from Last Zero Check (pA)
Float
42407 Result Measured from Last Span Check (pA)
Float
42412 Result Measured from Last Full System Zero Check (pA)
Float