TECSYSTEM NT538 - MODBUS MAPPING TABLE: HEADER; MODBUS MAPPING TABLE: HEADER INFO AND COMMANDS; MODBUS MAPPING TABLE: SYSTEM SETTING AND STATUS REGISTERS

22
NT538
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
1-2-3
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÷8= ch1÷8
9 =scan
RW