Sel 2414 - Page 225

10.3
Date Code 20130214 Instruction Manual SEL-2414 Transformer Monitor
Testing and Troubleshooting
Functional Testing
Table 10.1 through Table 10.3 show the signal scale factor information for the
calibrated inputs. The SEL-5401 Test System software uses these scale factors.
Figure 10.1 Low-Level Test Interfaces
Table 10.1 Scale Factors for a 1 A Device
Channel
Label
Circuit Board
and Connector
SEL-5401
Channel No.
Nominal Input Output
Scale
Factors
IA CT Board / J2 1 1 A 28.78 mV 34.7
IB CT Board / J2 2 1 A 28.78 mV 34.7
IC CT Board / J2 3 1 A 28.78 mV 34.7
IN CT Board / J2 4 1 A 274.7 mV 3.64
Table 10.2 Scale Factors for a 5 A Device
Channel
Label
Circuit Board
and Connector
SEL-5401
Channel No.
Nominal Input Output
Scale
Factors
IA CT Board / J2 1 5 A 28.78 mV 173.7
IB CT Board / J2 2 5 A 28.78 mV 173.7
IC CT Board / J2 3 5 A 28.78 mV 173.7
IN CT Board / J2 4 5 A 274.7 mV 18.2
Table 10.3 Scale Factors for a Voltage Card
Channel
Label
Circuit Board
and Connector
SEL-5401
Channel No.
Nominal Input Output
Scale
Factors
VA Voltage / J3/J4 7 250 V 700.0 mV 357.1
VB Voltage / J3/J4 8 250 V 700.0 mV 357.1
VC Voltage / J3/J4 9 250 V 700.0 mV 357.1
Table 10.4 Scale Factors for an ACI/AVI Card (Sheet 1 of 2)
Channel
Label
Circuit Board
and Connector
SEL-5401
Channel No.
Nominal Input Output
Scale
Fac tors
IAX CT/PT Board /
TB1
4 5 A 28.33 mV 176.5 A/V
IBX CT/PT Board /
TB1
5 5 A 28.33 mV 176.5 A/V
ICX CT/PT Board /
TB1
6 5 A 28.33 mV 176.5 A/V
VAX, 8 V
Channel
CT/PT Board /
J1
1 6.405 V 703.3 mV 9.107 V/V
VBX, 8 V
Channel
CT/PT Board /
J1
2 6.405 V 703.3 mV 9.107 V/V
VCX, 8 V
Channel
CT/PT Board /
J1
3 6.405 V 703.3 mV 9.107 V/V
VAX, 300
V Channel
CT/PT Board /
J1
1 250 V 700.0 mV 357.1 V/V
(A) Connector J2 on Current Input Board (B) Connector J3 on Voltage Input Board
VAVBVC
GNDGNDGNDGNDGNDGND
1
(C) Connector J3 on 3 ACI/3 AVI
1
VAX
GND
VBX
GND
VCX
GND
IAX
GND
IBX
GND
ICX
GND
IA
IBIC
IN
GNDGNDGNDGNDGNDGND
1