Voltage accuracy, Voltage monitor group – Rockwell Automation 193-EC1_2_3_5, 193-ECPM,592-EC1_2_3_5 E3 and E3 Plus Solid-State Overload Relay User Manual User Manual
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Rockwell Automation Publication 193-UM002I-EN-P - December 2011
Chapter 7 Voltage Parameters
X
Voltage Accuracy
Voltage Monitor Group
Table 4: Voltage Reporting Summary
Parameter Name
Single Phase
Delta
Wye
Open Delta
Delta with PT
L1-L2 Voltage
X
X
X
X
X
L2-L3 Voltage
X
X
X
X
X
L3-L1 Voltage
X
X
X
X
Ave Voltage L-L
X
X
X
X
X
L1-N Voltage
X
X
L2-N Voltage
X
X
L3-N Voltage
X
Ave Voltage L-N
X
X
Voltage Unbalance
X
X
X
X
X
Voltage Frequency
X
X
X
X
X
V Phase Rot
X
X
X
X
Table 5: Voltage Reporting Accuracy
Operating Range
Parameter
Accuracy
50 V L-L … 690V L-L
40 Hz … 80Hz
Line to Line Voltage
3%
Line to Neutral Voltage
3%
Voltage Frequency
1%
V Trip Status
This parameter provides voltage based trip
identification as outlined in the table
below:
1 = Trip
0 = No TrIp
Parameter Number
Access Rule
Get
Data Type
UINT
Object Mapping
Group
Voltage monitor
Units
—
Minimum Value
—
Maximum Value
—
Default Value
—
Bit
Function:
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
X
Voltage Hardware Fault
X
Under Volt L-L
X
Over Volt L-L
X
Voltage Unbalance
X
Phase Rotation
X
Under Frequency
X
Over Frequency