T200H/M and 200EH/EM Menu Trees (05147J DCN7141)
APPENDIX A-7: MODBUS Register Map
A-29
MODBUS
Register Address
(decimal,
0-based)
Description
10
Units
MODBUS Coil Registers
(single-bit; read/write)
0
Maps to relay output signal 36 (
MB_RELAY_36
in signal I/O list)
1
Maps to relay output signal 37 (
MB_RELAY_37
in signal I/O list)
2
Maps to relay output signal 38 (
MB_RELAY_38
in signal I/O list)
3
Maps to relay output signal 39 (
MB_RELAY_39
in signal I/O list)
20
2
Triggers zero calibration of NO
X
range #1 (on enters cal.; off exits cal.)
21
2
Triggers span calibration of NO
X
range #1 (on enters cal.; off exits cal.)
22
2
Triggers zero calibration of NO
X
range #2 (on enters cal.; off exits cal.)
23
2
Triggers span calibration of NO
X
range #2 (on enters cal.; off exits cal.)
1
Engineering firmware only.
2
Set
DYN_ZERO
or
DYN_SPAN
variables to
ON
to enable calculating new slope or offset. Otherwise a calibration check
is performed.
3
Triple-range option.
4
Optional.
5
O
2
option.
6
CO
2
option.
7
Concentration alarm option.
8
Low span option.
9
M200EUP.
10
All NO
X
references become NO
y
for M200EU_NO
y
.
11
M200EU and M200EU_NO
y
.
12
T-Series external analog input option.
07270D DCN7141