2.5 Rear Panel Layout- NEMA Enclosure
DNP Daughter Card Options
Fiber Optic terminations for
units with the fiber option
Rx
Tx
installed. Terminal will be
labeled TB4 if no analogs are
present and TB5A if analogs
are present.
DNP or MODBUS EIA-485
A
B
TB5
terminal. Labeled TB5 when
there are no digital inputs
installed.
DNP or MODBUS EIA-485
A
B
TB5A
terminals. Labeled TB5A
when there are at least two
digital inputs installed in the
unit.
Digital Inputs and Relay Output Options
12
16
TB5
TB1B
12
Figure 2.5: NEMA Mount Rear Panel Layout
Analog Daughter Card Options
6
5
4
3
2
TB4
-
-
+ -
+
+
A1
A2
9
8
7
6
5
TB4
-
-
+
+
+
A1
A2
DNP
Daughter
Card
TBxx
A
B
TB4
Probe1
Probe2
12
11
10
9
8
7
TB2
COM
TMP
REF
COM
TMP
REF
TB6
12
11
10
9
8
7
6
5
IN14
IN13
IN12
IN11
16
15
14
13
CT9
CT8
TB x
TBx
4
3
2
1
9
8
Connection Layout
11
10
9
8
7
6
5
4
3
OUT4
OUT3
OUT2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IN1
IN2
OUT4
OUT3
OUT2
OUT1
TB1B
4
3
2
1
9
8
7
6
5
4
3
2
1
IN1
IN2
OUT6
OUT5
OUT4
11
10
9
8
7
6
5
4
3
2
1
12
11
10
OUT6
OUT5
OUT 4
OUT8
OUT7
Note: Card not present if the analog
output option is not selected
1
For qty. 1-3 non-isolated
analog outputs, TB4 is a 6
position plug-in style block.
A3
4
3
2
1
For all isolated analog options , TB4
is a 9 position plug-in style block.
-
+ -
For the 4 (quad) non-isolated analog
A3
A4
G
output option, this block is also used.
Analog Daughter Card
9
8
7
6
5
4
3
2
1
Aux CT
Power
Probe3
Alarm
TB3
4
3
2
1
3
2
1
6
5
4
COM
TMP
REF
4
3
2
1
12
11
10
9
8
7
6
5
4
IN10
IN 9
IN8
IN 7
IN 6
IN5
IN 4
TB8
12
11
10
9
8
7
6
5
4
3
2
1
CT7
CT6
CT5
CT4
CT3
CT2
7
6
5
4
3
2
1
9
8
7
6
5
4
3
TB1
2
1
Used for units with 4 outputs & no digital
inputs & no extra CTs. I/O block is a 12-
position barrier style screw terminal block
and is labeled TB1.
OUT1
TB1
Used for units with 4 outputs & 2 digital
inputs. I/O terminals are on a 16-position
plug-in style block labeled TB1.
TB1A
9
8
7
6
5
4
3
2
1
Used for units with 6 outputs & 2 digital
inputs. I/O terminals are on plug-in style
blocks labeled TB1A, TB1B and TB5.
OUT3
OUT2
OUT1
TB1A
9
8
7
6
5
4
3
2
1
Used for units with 8 outputs. I/O
terminals are on plug-in style blocks
labeled TB1A and TB1B.
OUT 3
OUT 2
OUT1
7
TB7
TB6 & TB7 are optional digital inputs.
3
2
1
These terminals will not be present if the
additional input option is not selected .
IN 3
TB8 is for optional extra CT inputs. These
terminals will not be present if the extra
CT option is not selected.
TBx
2
1
V6.70 20131017
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