Super Systems e-TRIM - Manual (Page 19)

Super Systems Inc. Page 19 of 27 e-TRIM Operations Manual
Appendix A – e-TRIM Modbus Registers
The following list is a description of the relevant Modbus registers in the e-TRIM system. For
communications, the e-TRIM supports Modbus on the Host 485 port and ModbusTCP through
Ethernet.
11 Active burner bitmap
14 Modbus address
15 Master Setpoint (2 decimal places)
16 Deviation alarm band setpoint (2 decimal places)
17 Out of band alarm delay time
18 Alarm disable bitmap
19 Alarm bitmap, burners 1 - 16.
20 - 35 O
2
readings, sensors 1 - 16, 2 decimal places.
68 - 83 High Fire ON, sensors 1 - 16.
116 - 131 O
2
trim delay, sensors 1 - 16.
132 - 147 O
2
trim interval time, sensors 1 - 16.
148 - 163 O
2
alarm state, sensors 1 - 16.
0 = normal, 1 = bad communications, 2 = out of and pending, 3 = out
of band.
164 - 179 Alarm delay timer (sec), sensors 1 = 16.
180 - 195 O
2
offset, sensors 1 - 16.
220 - 235
Slave communications status, boards 1 - 16. 0 = bad
communications, 4 = OK.
460 Critical alarm bitmap
461 - 476 Critical alarm, sensors 1 - 16.
477 - 492 Critical alarm set point, sensors 1 - 16.
493 Critical alarm acknowledge. 1 = acknowledged.
600 High fire total time (sec), sensor 1
601 High fire total time (hr), sensor 1
602 Low fire total time (sec), sensor 1
603 Low fire total time (hr), sensor 1
604 High fire timer, sensor 1
605 Low fire timer sensor 1
606 - 611 Timers for Sensor 2
612 - 617 Timers for sensor 3
618 - 623 Timers for sensor 4
624 - 629 Timers for sensor 5
630 - 635 Timers for sensor 6
636 - 641 Timers for sensor 7
642 - 647 Timers for sensor 8