22
NT935-4
ASERIES
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
Channels qty (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
Commands
W-see tab.
SYSTEM: Setting and Status
Address
LO
(10)
Data HI
Data LO
Note 1
Note 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 Voting
1=YES
RW
13
00
CPU Setting
See Note
RW
14
00
CPU Error
See Note
R
15
00
Relays Status
See Note
R
16
00
420 mA channel
reference
channel for 4.20
mA
0=hot
1÷4= ch1÷4
5=scan
RW