Mpm, apm, ppm, & lti series modbus, Register tables serial communication – Dwyer PPM User Manual
Page 35

MPM, APM, PPM, & LTI Series Modbus
®
Register Tables
Serial Communication
Page 35
Table 4.
Relay Configuration Mode (40301, 310, … 364)
Bit(s)
15 – 10
9 – 8
7
6
5 – 3
2 – 0
Relay
Function Reserved Sensor
Break Fail-Safe Preclose
Action
Assignment
Registers
Rly1: 301
000000
00 Ignore
0 Normal
0 Normal
000 Automatic reset
000 Process Value (Temp/Rate)
Rly2: 310
01 OFF
1 Failsafe
1 Preclose
001 Auto & Manual reset
001 Total
Rly3: 319
10 ON
010 Latching
010 Grand Total
Rly4: 328
011 Latching with Clear
011
Modbus Input (40072 – 73) Big
Rly5: 337
100 Pump Alternation
Rly6: 346
101 Sample
Rly7: 355
110 Unused
Rly8: 364
111 Off (Disabled)
Table 5.
4-20 mA Output Data Source Modes (40402)
Integer
Function
0
Process Value (Temp/Rate)
1
Max Display Value
2
Min Display Value
3
Modbus Input (40072 – 73) Big Display
4
Total
5
Grand Total
6
Set Point 1
7
Set Point 2
8
Set Point 3
9
Set Point 4
10
Set Point 5
11
Set Point 6
12
Set Point 7
13
Set Point 8
14
Reserved
15
Factory Use Only