C-2. DL-302 Modbus Address Mappings (Base 1)
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Address Description
Attribute
40497
Beep on alarm,
0: disable,
1 to 250: beep on alarm time in seconds,
251: beep on alarm continuously
R/W
40498
Screen saver time in seconds, 0 to 65535, 0: disable
R/W
30513 ~
30518
40513 ~
40518
High latched analog input value of channel 0 to 5
channel 0: CO
2
in 1ppm,
channel 1: relative humidity in 0.01%,
channel 2: temperature in 0.01°C,
channel 3:temperature in 0.01°F,
channel 4: dew point temperature in 0.01°C,
channel 5: dew point temperature in 0.01°F
R
30545 ~
30550
40545 ~
40550
Low latched analog input value of channel 0 to 5
channel 0: CO
2
in 1ppm,
channel 1: relative humidity in 0.01%,
channel 2: temperature in 0.01°C,
channel 3:temperature in 0.01°F,
channel 4: dew point temperature in 0.01°C,
channel 5: dew point temperature in 0.01°F
R
30556
40556
Module reset status,
1: power-on,
2: watchdog,
3: software reset command
Only for Modbus TCP protocol
R
40558
Ethernet host watchdog timeout value, 5 to 65535, in second, 0 to
disable.
Only for Modbus TCP protocol
R/W
30559
40559
Ethernet host watchdog timeout count.
Only for Modbus TCP protocol
R
30560
40560
Module name, 0x0302
Only for Modbus TCP protocol
R
40564
TCP disconnection timeout value, 5 to 65535, in second,
0 to disable.
Only for Modbus TCP protocol
R/W
40565
Module reset timeout value, 30 to 65535, in second,
0 to disable.
Only for Modbus TCP protocol
R/W