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APM 300 Integrated UPS Single Module And Parallel System User Manual
Figure 8-7
Appearance and wiring schematic of cable 3 (UFDRY21SL3)
Installation procedures
Note
Some electronic components on the relay card are sensitive to static electricity. To prevent static electricity from
damaging the relay card, do not touch its electronic components or circuits, also avoid their contact with live objects.
Please hold the side edges of the relay card when moving or installing it.
1. Set the DIP switch of the relay card.
Skip this step if you need not control the UPS turn-on and turn-off through the relay card.
The location of the DIP switch is shown in Figure 8-4. It is an 8-bit DIP switch. Its factory default setting is
shown in Figure 8-8.
1
2
3
4
5
6
7
8
ON
OFF
Figure 8-8
Factory default setting of the DIP switch
Bits 1 through 7 are designed for use in factory, the user is not allowed to change their default settings. Bit 8 is
used to configure the UPS turn-on and turn-off signal input function of the relay card, its setting method is
described in Table 8-3.
Table 8-3
Setting of UPS turn-on and turn-off signal input function
Bit 8
Function
ON
UPS turn-on and turn-off signal input function enabled
OFF
UPS turn-on and turn-off signal input function disabled
2. Insert the relay card into the UPS.
Note
1. The relay card should be installed in Intellislot 1 or 3 port (advisably in Intellislot 3 port).
2. The relay card is hot-pluggable, you can install it without shutting down the UPS.
a) Remove the Intellislot port (see Figure 3-3) cover on the bypass module, reserve the screws.
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