GE Digital Energy User Manual

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modifications reserved 7 User manual ML Series 350-1000 VA UPS 1.0 (GB)4 - COMMUNICATION3.3.3 On batteryThe UPS uses the energy stored in the batteries: see chapter 7 ‘Batteries - autonomy’.The UPS will shutdown• after the batteries have been discharged (automatic restart), or• if keypad ‘OFF’ is pressed for >2 seconds (manual restart required) or• if a ‘UPS shutdown’ command is given by the computer (automatic restart).3.3.4 Battery low (end of autonomy)The batteries are nearly discharged. Controlled shutdown of your computer equipment should becompleted within 1 minute.3.3.5 Replace batteryThe battery is bad. Perform the self test again (see 3.3.7) to confirm the ‘replace battery’ condition.The alarm only goes out after the next self test: if the battery has either been sufficiently charged(discharged battery) or replaced by a new one (worn out battery). See also 5.3.3.3.6 Overload on mains/batteryThe demanded power of the equipment exceeds the UPS’s rated output power. If the load exceeds150% of the rated power:• during battery operation, the UPS output will be switched off immediately• during mains operation, the UPS output will be switched off after 30 seconds.3.3.7 Self testThe self test can be started manually: when the UPS operates in mains mode press the ‘ON’ buttonfor 2 seconds. During the test the unit will switch to battery operation for 6 seconds to check thebattery condition. After 6 seconds the unit will switch back to normal operation: mains mode. Seealso 3.2.2.The RS232 port is a plug-in interface port (4-pin, RJ-11, 4P-4C) which enables advanced communicationbetween the UPS and the computer. Use UPS software for unattended operation of workstations, powerquality related data logging, shutdown notification and control, auto-restart, diagnostics, and batteryconservation features.We strongly recommend using only original GE Digital Energy™ software in combination with theRS232 interface port.For specific information on GE Digital Energy’s connectivity products please contact your local dealer orInternet: www.gedigitalenergy.comThe communication port is available as long as the UPS is ON.Pin # Function1 Tx2 Rx3 No connection4 GNDRJ-11 4P-4CML 350-700 ML 1000

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