GE VH UL series User Manual
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Contents
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Critical PowerModifications reserved Page 22/25GE_UPS_OPM_VHU_0K7_3K0_XUS_V011.docx Operating Manual VH700 UL, VH1000 UL, VH1500 UL, VH2000 UL & VH3000 UL5 COMMUNICATIONCAUTION! RISK OF ELECTRIC SHOCKThe UPS has an internal battery supply with a nominal voltage of 36/72Vdc. The appliance outlets maybe electrically live, even when the UPS is disconnected from the mains.The UPS contains potentially hazardous voltages. Do not open the unit, there are no user serviceableparts inside.WARNING!Connect only Safety Extra Low Voltage (SELV) Circuits to any of these communication I/O ports.5.1 USB PORTThe USB port is a plug-in interface port which enables advanced communication between the UPS and the computer (UPSsoftware required). The interface port is operative as soon as the mains power cord is plugged into a live wall outlet, even ifthe UPS is switched off.For more information please refer to the user manual that comes with the interface software. We strongly recommend touse only original GE software products in combination with the interface port.NOTEThe change of some settings can cause the unit to switch from bypass to standby and output power is lost.5.2 RJ11 PORTThe RJ11 port is a plug-in contact interface port.Pin # Function1 Mains failure2 General alarm *)3 Battery low4 On bypass5 Remote UPS shutdown / RxD6 GND*) Active if the output voltage of the UPS is no longer Fig. 5.2guaranteed due to other circumstances than already indicated by pin 1-3-4. The alarms are listed in section 4.4.10Absolute Maximum Ratings DC CharacteristicsMIN MAX CONDITION MIN MAXVO Voltage applied on any output pin -0.2V 48V VIH High-level input voltage 4.0VIO Output sink current 30mA VIL Low-level input voltage 0.4VVI Voltage applied on input pin -25V 25V VOL Low (active) output voltage Io<1mA 0.4VNote: Exceeding these ratings may damage the device or anyway affect its reliability5.3 USB / RS232 / RELAY INTERFACE CARD (OPTION)The card is equipped with• USB port as described in 5.1• RS232 port• potential free change-over relay contacts for the following alarms: mains failure/general alarm/battery low/bypass activeFor more information please refer to the user manual that comes with the interface card.5.4 SNMP / WEB INTERFACE CARD (OPTION)The SNMP card makes the UPS ‘SNMP manageable’: it allows the data interface to be connected directly to an Ethernetnetwork. For more information please refer to the user manual that comes with the interface card. |
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