Helios PD2-6080/PD2-6081 Modbus
®
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Instruction Manual
18
Connections
All connections are made to screw terminal connectors located under the lower door panel. Remove the single
securing screw in order to access the wiring terminals.
•
Use copper wire with 60°C or 60/75°C insulation for all line voltage connections. Observe all safety regulations.
Electrical wiring should be performed in accordance with all applicable national, state, and local codes to prevent
damage to the meter and ensure personnel safety.
Connectors Labeling
The connectors’ label, affixed to the inside of the lower door panel, shows the location of all connectors available with
the ordered configuration.
•
DO NOT
connect any equipment to the RJ45 M-LINK connector. Otherwise damage will occur to the
equipment and the meter.
•
DO NOT
disconnect the RJ45 connector located to the left of the power terminal block. Doing so will disable
the on-board digital I/O, and the RS-485 serial communications.
Figure 9. PD2-6080/1-6H0 / 7H0 Connectors Label
Figure 10. PD2-6080/1-6H7 / 7H7 Connectors Label
R
I-
I+
+
-
NO
NC
C
2
1
1
2
3
4
5
6
7
8
P+/P-
24V 10V 5V
R
S
-4
8
5
D
IG
IT
A
L
I
/O
M
-L
IN
K
U
S
B
MENU RIGHT UP ACK
POWER
P
W
R
T
X
R
X
D
I
D
I
D
O
D
O
O
1
O
2
O
3
O
4
G
I
1
I
2
I
3
I
4
+
5
_
_
_
_
NO
NC
C
NO
NC
C
NO
NC
C
MA OUT
2
1
3
4
3
6
5
2
1
RELAY4
RELAY3
4
3
6
5
2
1
RELAY2
RELAY1
SIGNAL
Ch-A
P-
F4
P+
COM V+
3
4
1
2
5
mA+ COM V+ mA+
7
8
6
9
Ch-B
MENU
F1
F2
F3
PREV
F1
NEXT
SCAN
