COMMUNICATION
Eaton 9355-F47 Unirom UPS (10/15 kVA) User's Guide S 164201642 Rev C www.eaton.com/powerquality
60
The cable pins are identified in Figure 33 and the pin functions are
described in Table 5. See Figure 28 on page 55 for the communication
port location.
3
8
7
9
1
6
2
4
5
Figure 33. Communication Port
Table 5. Communication Port Pin Assignment
Pin Number Signal Name Function Direction from the UPS
2 TxD Transmit to external device Out
3 RxD Receive from external device In
5 GND Signal common (tied to
chassis)
—
X-Slot Cards
X-Slot cards allow the UPS to communicate in a variety of networking
environments and with different types of devices. The Eaton 9355-F47
Unirom has two available communication bays for any X-Slot card,
including:
S Relay Interface Card - has isolated dry contact (Form-C) relay outputs
for UPS status: Utility failure, Low battery, UPS alarm/OK, or On
bypass.
S Modbus
®
Card - allows you to continuously and reliably monitor the
UPSs in your Building Management System (BMS).
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