MatrixMonitor™ IOM - Rev 4 - 4/11/2013
Page 69
Modbus® Register List
Software Version 2.04
Released to Production
Rev 7
12/2/2012
Abs.
Modbus®
Address Register Operation
Data Description
Units/Notes .
0
40001 Read Only
Array 1 Airflow
cfm/100 or scfm/100 see Register
40015
1
40002 Read Only
Array 1 Pressure Rise
inch WC x 10
sensor addr = 00
2
40003 Read Only
Array 1 Average Temperature
deg F x 10
3
40004 Read Only
Array 1 Density
lbm/cf x 1000
4
40005 Read Only
Array 1 Average Speed
rpm x 1
5
40006 Read Only
Array 1 Hours left to Bearing Grease
hours x 1
6
40007 R/W
Array 1 Name
[Low Byte] 00h = Array 1
01h = Supply
02h = Return
03h = Exhaust
04h = Outside
[high Byte] Set to 0H
7
40008 Read Only
Array 2 Airflow
cfm/100 or scfm/100 see Register
40015
8
40009 Read Only
Array 2 Pressure Rise
inch WC x 10
sensor addr = 50
9
40010 Read Only
Array 2 Average Temperature
deg F x 10
10
40011 Read Only
Array 2 Density
lbm/cf x 1000
11
40012 Read Only
Array 2 Average Speed
rpm x 1
12
40013 Read Only
Array 2 hours left to Bearing Grease
hours x 1
13
40014 R/W
Array 2 Name
[Low Byte] 00h = Array 2
01h = Supply
02h = Return
03h = Exhaust
04h = Outside
[high Byte] Set to 0h
14
40015 R/W
Airflow Units
CFM, SCFM
[Low Byte] 00h = CFM
01h = SCFM
[high Byte] set to 0h
15
40016 Read Only
Barometric Pressure
psia x 100
16
40017 Read Only
Monitor Board Temperature
deg F x 10
17
40018 Read Only
Array 1 Airflow Voltage Signal
volts x 10
18
40019 Read Only
Array 1 Pressure Voltage Signal
volts x 10
19
40020 Read Only
Array 2 Airflow Voltage Signal
volts x 10
20
40021 Read Only
Array 2 Pressure Voltage Signal
volts x 10
21
40022 Read Only
Relay 1 Status ‐ Power
on/off 1 = ON, 0 = OFF
22
40023 Read Only
Relay 2 Status ‐ Fan Failure
on/off 1 = ON, 0 = OFF
23
40024 Read Only
Relay 3 Status ‐ Warning
on/off 1 = ON, 0 = OFF