M88950 MODBUS Register Map

M88950 MODBUS Register Map

Communication Setting : Baud Rate=57600 (Settable), Parity=None (Settable), Data Bit=8, Stop Bit=1
Function 03 : Data Read , Function 06 : Data Write
Sr. No. Parameters Function Register Numbers Values
CH-1 CH-2 CH-3 CH-4
1 Relay Delay 03/06 0 1 2 3 0 to 250 Seconds
2 Relay Hysterisis 03/06 4 5 6 7 -10 to 10
3 Relay Logic 03/06 8 9 10 11 Fail Safe=0, Non Fail Safe=1, Off=2
4 Relay Latching Yes or NO 03/06 14 15 16 17 Latching Yes=0 , Latching No=1
5 Alarm Set Point 03/06 18 19 20 21 -999 to 9999
6 Trip Set Point 03/06 22 23 24 25 -999 to 9999
7 Range Low 03/06 26 27 28 29 -999 to 9999
8 Range High 03/06 30 31 32 33 0-9999
9 Sensor Select 03/06 38 39 40 41 RTD=0, RTD.1=1
10 Unit Selection 03/06 42 43 44 45 C=0, F=1
11 4 mA Output Counts 03/06 46 47 48 49
12 20 mA Output Counts 03/06 50 51 52 53
13 PRG COPY FROM (CH-A) 03/06 55 CH-B=0, CH-C=1, CH-D=2, None=3
14 PRG COPY FROM (CH-B) 56 CH-A=0, CH-C=1, CH-D=2, None=3
15 PRG COPY FROM (CH-C) 57 CH-A=0, CH-B=1, CH-D=2, None=3
16 PRG COPY FROM (CH-D) 58 CH-A=0, CH-B=1, CH-C=2, None=3
17 IPC 03/06 60 61 62 63 Input Error Correction
18 Process Value 03 64 65 66 67 Process Value