21
NT935BH
MODBUS MAPPING TABLE
HEADER (Information and commands):
Address
LO
(10)
Data HI
Data LO
R: read
W:write
RW: read/write
1
Model
– MSD (ASCII)
Model - 3° Digit (ASCII)
R
2
Model - 2° Digit (ASCII)
Model
– LSD (ASCII)
R
3
Space (20H)
Vers. Fw
– MSD(ASCII)
R
4
Vers. Fw - 2° Digit (ASCII)
Vers. Fw
– LSD(ASCII)
R
5
Qty channels (2*ASCII)
R
6
Options (see note)
Options (see note)
R
7
00
Wrong datum received
R-see tab.
8
00
Info various causes
R-see tab.
9
00
Controls
W-see tab.
SYSTEM: Setting and Status
Address
LO
(10)
Data HI
Data LO
Notes 1
Notes 2
R: read
W:write
RW: read/write
10
00
HFN (Fan test)
0=No test
1÷200h
RW
11
00
FCD
temperature
increment
0=No FCD
1÷30°/sec
RW
12
00
Voting
0=No
1 = Enable
RW
13
00
CPU Setting
See Notes
RW
14
00
CPU Error
See Notes
R
15
00
Relays Status
See Notes
R
16
00
FREE
FREE
R