6
Voltage Inputs: Connect the positive voltage input to contact #10; the negative
input to contact #9.
Current Inputs: Connect the positive current input to contact #10; the negative
input to contact #9.
Figure 7. Process and Linear Input Wiring
The Series C power supply accepts 100 to 250 Vac and 100 to 250 Vdc line power
without any switch settings or polarity considerations. All connections should be made in
accordance with the National Electrical Code and local regulations, using only NEC Class
1 wiring for all power terminals.
It is advisable, but not necessary, to fuse one leg of the incoming power line, contact #11,
with a 2AG, 0.5 amp rated fuse. It is recommended that instrument power and load power
be fused independently.
Figure 8. Power Wiring Connection
This optional hardware module provides two alarm drive outputs. LED indicators A1 and A2 are used to
indicate alarm conditions as configured in the Alarm Menu.
Option Description:
Option 10: Dual alarm, N.O.
Option 22: Dual alarm, N.C. (Note: NC only when power is applied to unit; otherwise NO)
Load Limits:
Max. Load Current 1 A rms
Min. Load Current 0.5 mA rms
Power Factor Range 0.2 to 1.0 (can drive small motors, solenoids, valves, and contactors)
Max. Surge Current
Non-repeating for 1 second 7.5 A
Max. I
2
T for fusing (0.01 sec) 4.5 amp-squared seconds (1 A - ABC1 typical fuse)
Figure 10. Wiring for Dual Alarm Outputs
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