Powerware Ferrups FE/QFE UPS - Manual (Page 46)

Communication
40 Powerware ® FERRUPS FE/QFE UPS (500 VA–18 kVA) User’s Guide
:
Rev A www.powerware.com
Communication Port
The communication port cable pins are identified in Figure 9 and the
pin functions are described in Table 5.
Figure 9. Communication Port
Table 5. Communication Port Pin Functions
Pin Function Function
2 Transmit Data (in)
3 Receive Data (out)
4 Request to Send To enable hardware handshaking on these pins, call your service
t ti
5 Clear to Send
g p y
representative.
6 +12V Level (0.01A) when the UPS is operating
7 Signal Ground
11 Contact opens when on
inverter These relay contacts are rated at 25 Vac/Vdc and 250 mA (see “Remote
Monitoring” on page 47).
FE VA kVA d l i h i l b d h
12 Contact closes when on
inverter
g p g
NOTE FE 500 VA–3.1 kVA models with serial numbers 25000 and greater have
equivalently rated DC solid state switches.
13 Common Inverter Signal
Contact
14 +12V, 0.5A (500 VA–3.1 kVA) or 0.3A (4.3–18 kVA) Do not use for setting logic levels.
18 +12V Level (0.01A) when UPS is operating
20 AS/400 Option
21 Remote Shutdown
23 Contact closes on alarm These relay contacts are rated at 25 Vac/Vdc and 250 mA (see “Remote
Monitoring” on page 47)
24 Common Alarm Signal Contact
Monitoring” on page 47).
Pins 23 and 25 change status when the UPS is turned off.
NOTE FE 500 VA 3 1 kVA models with serial numbers 25000 and greater have
25 Contact opens on alarm
NOTE FE 500 VA–3.1 kVA models with serial numbers 25000 and greater have
equivalently rated DC solid state switches.
NOTE Pins 2–5 and 7 are for RS-232 communication, Pins 11–13 and 23–25 are for remote monitoring, and Pin 21 (used
with 6 or 18) is for remote shutdown. The following sections describe how to take advantage of these features. Pin 20 is
for option use only.