ABB Transformer Protection Unit 2000R
4-7
Relay Design and Specifications
Rear Terminal Block Connections
Apply only rated control voltage marked on the front panel of the unit to the positive terminal and the negative
terminal. Wire the ground stud on the rear of the case to the equipment ground bus with at least #10 gauge wire.
Figure 4-3 shows the rear terminal block layout and numbers.
Tables 11-1 and 11-2 lists the minimum required connections for a functioning system. Optional connections are
shown on the bottom of the table. Jumper #6 is used to set the TRIP Output Contact to Normally Open or Normally
Closed.
Figure 4-3. Rear Terminal Block
SENSOR 7
CONT.
INST. BOOK
SERIAL NO.
CATALOG NO.
TYPE
GRD
PHASE
FREQ.
COM 1
COM 2
VN
VC
VB
VA
SENSOR 8
IN
1
VDC
COM-
MON
IN
2
IN
3
IN
4
IN
5
5 7
4
AUX.
PORTS
1
2
3
5 6
5 5
5
5 8
6
6 0
5 9
6 1
7
6 2
8
6 4
6 3
IN
6
IN
7
IN
8
3 1
3 2
3 3
3 4
3 9
4 0
4 1
SELF-CHECK
ALARM
1 1
9
1 0
1 2
1 3
1 4
1 5
COM 3
ISOLATED
1 6
SENSOR 3
SENSOR 5
SENSOR 6
SENSOR 4
SENSOR 1
SENSOR 2
= OPTIONAL CONTACT CONFIGURATION
OUT 5
4 2
4 3
4 4
4 5
OUT 6
4 6
4 7
4 8
4 9
OUT 4
OUT 3
1 7
1 8
1 9
*
SELECTABLE N.O. OR N.C.
2 2
2 1
2 0
2 3
2 4
5 3
5 0
5 1
5 2
OUT 2
*
OUT 1
*
5 4
*
TRIP
2 9
2 5
2 6
2 7
2 8
3 0
GND
SENSOR 9
3 5
3 6
3 7
3 8
SENSOR 10