Modbus Slave Register Locations; Modbus ® Rs-485 Ports - Honeywell HA71 Technical Manual

HA71 Digital Gas Controller
5.0 Modbus ® RS-485 Ports
The HA71 is equipped with Master (COMM 1), and Slave (COMM 2), Modbus
and 2.3 of this manual. This section defines register locations of data available via the HA71 slave port.
®
5.1 Modbus Slave Register Locations
The following table describes the HA71's Modbus
as a PC, PLC or DCS. Since the Modbus
Memory Integer ASCII:
Notes:
ASCII may be read 2 characters at a time or in strings using a multiple register read.
Sixteen character channel tag name:
HA71 Technical Manual
® slave database. Any portion of this data may be read by a Modbus
® port is RS-485, many HA71's may be multi-dropped onto the same cable.
Type Channel First
Channel Tag 1 40401 40408
Channel Tag 2 40409 40416
Channel Tag 3 40417 40424
Channel Tag 4 40425 40432
Channel Tag 5 40433 40440
Channel Tag 6 40441 40448
Channel Tag 7 40449 40456
Channel Tag 8 40457 40464
Channel Tag 9 40465 40472
Channel Tag 10 40473 40480
Channel Tag 11 40481 40488
Channel Tag 12 40489 40496
Channel Tag 13 40497 40504
Channel Tag 14 40505 40512
Channel Tag 15 40513 40520
Channel Tag 16 40521 40528
® RTU ports. Port configurations are described in
Last Read FC Write FC
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
3 n/a
5-2
Notes
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
2 Characters per Register
Sections 2.2
® master device such
Revision 3 (04/08)