User manual - ATR121/141 -
23
The list below includes all available addresses:
RO = Read Only
R/W = Read/Write
WO = Write Only
MoDBus
Address
Description
Read
Write
Reset
value
0
Device type
R 101/102
1
Software version
R ?
2
Reserved
R ?
3
Reserved
R ?
4
Reserved
R 0
5
Slave Address
R EEPR
6
Reserved
R ?
500
Loading default values
(write 9999)
R/W
0
1000 Process
R 0
1001
Cold junction
R
0
1002
Setpoint 1
R/W EEPR
1003
Setpoint 2
R/W EEPR
1004
Heating output percentage (0-10000) R
0
1005
Cooling output percentage (0-10000) R
0
1006
Relays status (0=off, 1=on)
R/W
0
Bit 0 =
Q1 relay
Bit 1 =
Q2 relay
Bit 2 =
SSR
1007
Manual reset.
Write 1 to reset all the alarms
R/W 0
1008
Error flags
R 0
Bit0 = Eeprom writing error
Bit1 = Eeprom reading error
Bit2 = Cold junction error
Bit3 = Process error (sensor)
Bit4 = Generic error
Bit5 = Missing calibration data
Summary of Contents for ATR 121
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