ATR 621 - User manual 29
Modbus
address
Description
Read
Write
Reset
value
0 Device type RO 220
1 Software version RO FLASH
5 Slave address R/W EEPROM
6 Boot version RO FLASH
50 Automatic addressing WO -
51 Installation code comparison WO -
500
Loading Default values:
9999 restore all values except for cycles
9989 restore all values, cycles included
RW 0
900
AI1 process (degrees with tenths of degree for
temperature sensors; digits for linear sensors).
RO -
901
AI2 process (feedback potentiometer-Ohm/10)
RO -
902 Valve position – 0…100. RO -
1000
Process (degrees with tenths of degree for
temperature sensors; digits for linear sensors).
RO -
1001 Process with decimal point selection. RO -
1002 Setpoint (with gradient) RO 0
1003 Setpoint with process decimal point selection RO 0
1004
Digital input status
0 = input OFF 1 = input ON
RO 0
1005
Relay status (0=o , 1=on)
Bit 0 = relay
Q4/SSR Bit 1 = relay Q1
Bit 2 = relay Q2 Bit 3 = relay Q3
RO 0
1006 Heating output percentage (0-10000) RO 0
1007 Cooling output percentage (0-10000) RO 0
1008 Heating output percentage (0-1000) RO 0
1009 Cooling output percentage (0-1000) RO 0
1010 Heating output percentage (0-100) 0
1011 Cooling output percentage (0-100) RO 0
1012
Alarms status (0=none, 1=active)
Bit0 = Alarm 1 Bit1 = Alarm 2
Bit2 = Alarm 3
RO 0