User Manual
25
SNMP card (advanced monitoring and control)
If your unit is fitted with the optional SNMP card (located in the Intelligent Slot on the rear panel), connect
it to your computer with a network cable (see Figure 7).
For instruction on how to operate the SNMP card, refer to the documentation on the supplied CD.
Relay card (advanced monitoring and control)
If your unit has been specified and fitted with the optional relay card (located in the Intelligent Slot on the
rear panel) you have access to more advanced monitoring and control functionality via a set of dry
contacts and a single opto-coupled input.
Connections:
Pin no.
Description
n
Contact status
Additional fault information
1
Mains out of limits
closed (on)
2
Battery low
open (off)
3
Battery low
closed (on)
4
Bypass output
closed (on)
5
Internal failure
closed (on)
Rectifier fault
inverter fault and shutdown
over temperature and shutdown
short circuit and shutdown
6
Inverter output
closed (on)
7
System alarm
closed (on)
Rectifier fault
inverter fault and shutdown
over temperature and shutdown
short circuit and shutdown
8
Relay common GND
9
Remote shutdown
+V (see opto specification below)
10
Remote shutdown
0 V (not the same as relay common)
VFI-KT Series User Manual
