SM500F
Field mountable paperless recorder
Appendix B – Modbus TCP/Modbus 485
IM/SM500F Rev. Z
153
Modbus Registers
Stop/Go
Reset
Wrap Pulse
1st Stage Pulse
Flowrate Failure
Read Access
0 = Stopped
1 = Running
0 = >1s*
1 = <1s*
0 = Inactive
1 = Active
0 = Inactive
1 = Active
0 = Inactive
1 = Active
Write Access
0 = Stop
1 = Start
1 = Reset
Totalizer
Modbus Coil
Modbus Coil
Modbus Coil
Modbus Coil
Modbus Coil
1.1A
0351
0401
0451
0501
0551
1.1B
0352
0402
0452
0502
0552
1.2A
0353
0403
0453
0503
0553
1.2B
0354
0404
0454
0504
0554
1.3A
0355
0405
0455
0505
0555
1.3B
0356
0406
0456
0506
0556
1.4A
0357
0407
0457
0507
0557
1.4B
0358
0408
0458
0508
0558
1.5A
0367
0417
0467
0517
0567
1.5B
0368
0418
0468
0518
0568
1.6A
0369
0419
0469
0519
0569
1.6B
0370
0420
0470
0520
0570
2.1A
0359
0409
0459
0509
0559
2.1B
0360
0410
0460
0510
0560
2.2A
0361
0411
0461
0511
0561
2.2B
0362
0412
0462
0512
0562
2.3A
0363
0413
0463
0513
0563
2.3B
0364
0414
0464
0514
0564
2.4A
0365
0415
0465
0515
0565
2.4B
0366
0416
0466
0516
0566
2.5A
0371
0421
0471
0521
0571
2.5B
0372
0422
0472
0522
0572
2.6A
0373
0423
0473
0523
0573
2.6B
0374
0424
0474
0524
0574
* Time since last reset
Table B.6 Totalizer Digital Signals
Read Only: 0 = All alarms inactive
1 = At least 1 alarm active
Title
Coil Number
Any Alarm
0750
Table B.7 Any Alarm