ICT Hybrid Power -IPS-DC12-BMM Instruction Manual page 10

Figure 4: Battery Backed Hybrid Power Shelf – Internal Block Diagram (NEG. V Output)
Make Sensor and Alarm Connections
•
Connect the Form-C alarm contact monitoring wiring to the ALARM Output
connector if needed, as shown in the following table. On a dual-shelf
system the primary shelf contacts are flagged for all system alarms while
the secondary shelf contacts indicate secondary power module faults only.
Pin Number
1
2
3
Alarm Output Connector: (use 22-26 AWG wire)
•
Connect the external Battery Temperature Sensor (ICT-TMP, included with a
BMM equipped shelf, for use with lead-acid batteries only) to the REMOTE
input plug on the back panel (see Remote input table, below), to
compensate the shelf output voltage according to the battery temperature.
Mount the sensor to the mid-level side of the middle battery in a battery
10
Name
NC
NO
Common
Innovative Circuit Technology Ltd.
Function
Alarm NC (alarm state)
Alarm NO (alarm state)
Alarm output common