C-11. CL-212 / CL-212-E Modbus Address Mappings (Base 1)
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Address Description
Attribute
40450
PM2.5 offset in 1 ug/m
3
R/W
40451
Relative humidity offset in 0.01%
R/W
40452
Temperature offset in 0.01°C
R/W
40481
Firmware version (low word)
R
40482
Firmware version (high word)
R
40483
Module name (low word), 0x0212
R
40484
Module name (high word), 0x434C
R
40485
RS-485 module address, 1 to 247
R/W
40486
RS-485 baud rate and parity settings
Bits 5:0
Baud rate, valid range: 3 ~ 10
Code
0x03
0x04
0x05
0x06
Baud
1200
2400
4800
9600
Code
0x07
0x08
0x09
0x0A
Baud
19200
38400
57600
115200
Bits 7:6
00: no parity, 1 stop bit (N,8,1)
01: no parity, 2 stop bits (N,8,2)
10: even parity, 1 stop bit (E,8,1)
11: odd parity, 1 stop bit (O,8,1)
R/W
40488
RS-485 response delay time in ms, valid range, 0 to 30
R/W
40489
RS-485 host watchdog timeout value, 0 to 255, in 0.1s
R/W
40492
RS-485 host watchdog timeout count, write 0 to clear
R/W
40497
Beep on alarm,
0: disable,
1 to 250: beep on alarm time in seconds,
251: beep on alarm continuously
R/W
30513 ~
30519
40513 ~
40519
High latched analog input value of channel 0 to 6
channel 0: CO
2
in 1ppm,
channel 1: PM2.5 in 1ug/m
3
,
channel 2: relative humidity in 0.01%,
channel 3: temperature in 0.01°C,
channel 4: temperature in 0.01°F,
channel 5: dew point temperature in 0.01°C,
channel 6: dew point temperature in 0.01°F
R
