SIGMATEK ETV 1591-H, Manual, Page: 5 / 62

CONTROL PANEL ETV 1591-H
24.03.2015 Page 3
5.2.4 Delivery Condition / Minimum Charge ............................................... 16
5.3 UPS Operating Modes ................................................................ 17
5.3.1 Switching to Battery Operation .......................................................... 17
5.3.2 Low Battery Charge Conditions ........................................................ 17
5.4 UPS Interface ............................................................................... 18
5.5 Using the Interface for the UPS ................................................. 18
5.5.1 Named-Pipe Read Functions ............................................................ 19
5.5.2 Named-Pipe Write Function .............................................................. 26
5.6 Battery Charging Process .......................................................... 29
5.6.1 Time Specification ............................................................................. 29
5.6.2 Measuring ......................................................................................... 30
5.7 Battery Lifespan and Charge/Discharge Curve ....................... 31
5.7.1 Battery Lifespan ................................................................................ 31
5.7.2 Self-Discharge .................................................................................. 32
5.7.3 Battery Charging Curve .................................................................... 33
5.7.4 Battery Discharging Process ............................................................. 34
5.8 Battery Extension Cable ............................................................ 35
5.9 Battery Exchange........................................................................ 35
5.9.1 Exchange Battery Status .................................................................. 35
5.9.2 Exchanging the Battery ..................................................................... 37
6 Digital In and Outputs ........................................................... 38
6.1 General Information on the Digital Outputs ............................. 39
6.2 Disconnecting Inductive Loads ................................................. 40
6.3 Additional Protective Circuit ..................................................... 41
6.4 Wiring Guidelines for the Digital Outputs ................................ 42