Fisher F-ERVXQ-D200 - Page 20

Modbus Protocol
Baud rate 9600bps, n, 8, 1,
communication interval > 200ms.
Support function code: 0x03, 0x06
Register
address
readable writable
range of
value
function description remarks,
0(0x0000)
√ √
0-1
on-off state
0 - off ， 1 - on
1(0x0001)
√ √
1-10 Supply fan speed
2(0x0002)
√ √
1-10 Exhaust fan speed
3(0x0003)
√ √
15-30
Setting temperature ℃
4(0x0004)
√
0-100 Humidity %
5(0x0005)
√
0-2000 CO2 ppm
6(0x0006)
√
0-120 Fresh air temperature
Positive temperature,
When reading value
equal to or over 20,
then actual tempera-
ture is “reading tem-
perature minus 20”
Negative temperature,
When reading value
less than 20, then
actual temperature is
“20 minus reading
temperature”
7(0x0007)
√
0-120 Exhaust air temperature
8(0x0008)
√
0-120 Supply air temperature
9(0x0009)
√
0-120 Return air temperature
10(0x000a)
√ √
0
Working mode,
0-manual, 1-timer, 2-Sleep
Timing mode need with
LCD panel
11(0x000b)
√
0-255
Bit0 fire alarm protection
Bit1 OA temperature sensor error
Bit2 EA temperature sensor error
Bit3 RA temperature sensor error
Bit4 SA temperature sensor error
Bit5 humidity sensor error
Bit6 CO2 sensor error
Bit7 filter alarm
The bit is valid
20
Touch Screen Controller Introduction
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