Modbus register assignment of the ISOMETER®
45
isoEV425_D00126_09_M_XXEN/03.2019
Register
Property Description Format
Unit
Value range
999 RO
Number of Mod-
bus
measured
value channels
with active alarm
UINT 16 --- 0…3
3000 RW Reserved --- --- ---
3001 RW Reserved --- --- ---
3002 RW Reserved --- --- ---
3003 RW Reserved --- --- ---
3004 RW Reserved --- --- ---
3005 RW
Pre-alarm value
resistance meas-
urement "R1"
UINT 16 k R2 … 500
3006 RW Reserved --- --- ---
3007 RW
Alarm value
resistance meas-
urement "R2"
UINT 16 k 1 … R1
3008 RW
Activation alarm
value undervolt-
age "U<"
UINT 16 ---
0 = Inactive
1 = Active
3009 RW
Alarm value
undervoltage
"U<"
UINT 16 V 30 … U>
3010 RW
Activation alarm
value overvolt-
age "U>"
UINT 16 ---
0 = Inactive
1 = Active
3011 RW
Alarm value
Overvoltage
"U >"
UINT 16 V U< … 1.15k