Eaton Powerware Series User Manual

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COMMUNICATIONEaton FERRUPS Rack Mount UPS (850 VA–7 kVA) User's Guide 164201424 Rev 1www.eaton.com/powerquality42Communication PortThe communication port cable pins are identified in Figure 10 and the pinfunctions are described in Table 6.Figure 10. Communication PortTable 6. Communication Port Pin FunctionsPin Function Function2 Transmit Data (in)3 Receive Data (out)4 Request to Send To enable hardware handshaking on these pins, call your servicerepresentative.5 Clear to Send6 +12V Level (0.01A) when the UPS is operating7 Signal Ground11 Contact opens when oninverterThese relay contacts are rated at 25 Vac/Vdc and 250 mA (see “RemoteMonitoring” on page 49).12 Contact closes when oninverter13 Common Inverter SignalContact14 +12V, 0.5A (850 VA–3.1 kVA) or 0.3A (4.3–7 kVA) Do not use for setting logic levels.18 +12V Level (0.01A) when UPS is operating20 AS/400 Option21 Remote Shutdown23 Contact closes on alarm These relay contacts are rated at 25 Vac/Vdc and 250 mA (see “RemoteMonitoring” on page 49).Pins 23 and 25 change status when the UPS is turned off.24 Common Alarm Signal Contact25 Contact opens on alarmNOTE Pins 2–5 and 7 are for RS-232 communication, Pins 11–13 and 23–25 are for remote monitoring, and Pin 21 (usedwith 6 or 18) is for remote shutdown. The following sections describe how to take advantage of these features. Pin 20 isfor option use only.