13
AUTOMATIC TRANSFER SWITCH, OTM_C_21D
3.5.3 OTM_C21D registers information
Register Address
(DEC)
Function
code
(DEC)
Values
SWITCH I_STATUS 1 04 0=Open
1=Closed
SWITCH II_STATUS 2 04 0=Open
1=Closed
LN1_U1 VOLTAGE 3 04 Phase voltage for 2P/4P
Line Voltage for 3P
Voltage at 1V accuracy
(e.g. 230=230V)
LN1_U2 VOLTAGE 4 04
LN1_U3 VOLTAGE 5 04
LN2_U1 VOLTAGE 6 04
LN2_U2 VOLTAGE 7 04
LN2_U3 VOLTAGE 8 04
LN1_LINE_STATUS 9 04 0= Voltage OK
1= No voltage
2= Undervoltage
3= Overvoltage
4= Phase missing
LN2_LINE_STATUS 10 04 0= Voltage OK
1= No voltage
2= Undervoltage
3= Overvoltage
4= Phase missing
RATED_VOLTAGE 11 04 0=220/380V
1=230/400V
2=240/415V
UNDERVOLTAGE_THRESHOLD 12 04 5,10,15,20,25,30 %
OVERVOLTAGE_THRESHOLD 13 04 5,10,15,20,25,30 %
TRANSFER_DELAY_TS 14 04 0,1,2,3,5,10,15,20,25,30 s
RETURN_DELAY_TBS 15 04 0,5,10,20,30,60,120,300,600,900 s
Information of registers, values and access is
available in following table
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