HT9980A-GD-RELAY BOX Grounding-Relay Switching Box is a dedicated accessory designed for the HT9980X series programmable PV safety testers. This grounding relay switching box realizes automatic switching of grounding paths for frame grounding continuity tests. It eliminates repeated manual probe lifting and pressing, greatly boosting throughput for 3-channel grounding safety test sequences on production lines.
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HT9980A-GD-RELAY BOX Grounding-Relay Switching Box
HT9980A-GD-RELAY BOX Grounding-Relay Switching Box automates ground switching for manufacturer PV safety continuity test.
Grounding-Relay Switching Box
HT9980A-GD-RELAY BOX Grounding-Relay Switching Box is a dedicated accessory for the HT9980X series PV safety tester. It automatically switches grounding paths to complete frame grounding continuity tests. It eliminates repeated manual probe operation and significantly boosts throughput for 3-channel grounding safety testing on production lines.
Grounding Switching Function
As shown in the figure 1:
A= power light
1, 2, 3= correspond to three channel indicator lights
a =is the input terminal of the grounding switching box
b=is the output terminal of HT9980A
c= the common sampling terminals of three grounding channels,
Connect “c” to the grounding probe
As shown in Figure (2):
4, 5, and 6 are three grounded output terminals for each channel. Connect 4,5 and 6 separately to the grounding probe. During the grounding test, the internal high-voltage relay switches to form a circuit with the probe connected to “c” in Figure (1). B and C are the communication ports between HT9980A and the grounding switching box.
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