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NetSure 710 Series Installation Manual (IM581127000)
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Rev. U
76
Optional EIB (Controller Extended Interface Board) Connections (if required)
The optional EIB (Controller Extended Interface Board) provides additional connection points for voltage and
current inputs, programmable relay outputs, and temperature probes. The EIB extended interface board is
mounted inside the distribution cabinet. Refer to
Current Inputs, Voltage Inputs, and Programmable Relay Outputs
Current input, voltage input, and relay output leads are connected to screw-type terminal blocks located on the
optional EIB. Recommended torque for these connections is 2.2 in-lbs. Refer to
, and
Current Inputs
Connect up to three (3) shunt inputs to the EIB. Observe proper polarity. Refer to
locations and
Refer to the ACU+ Instructions (UM1M820BNA) or NCU Instructions (UM1M830BNA) and program the shunt
input parameters.
NOTE!
The shunt needs to be installed in the hot (+24V) bus. Connect the plus side of the shunt to the
positive shunt input on the EIB. Connect the negative side of the shunt to the negative shunt input on
the EIB.
Voltage Inputs for Battery Block and Battery Midpoint Monitoring
The controller can monitor battery blocks (12V blocks) or midpoint battery voltage of battery strings connected
to the EIB. The EIB provides a total of eight (8) DC voltage inputs for these connections. An alarm is issued
when either battery block voltage or battery midpoint voltage is abnormal. Refer to
locations and
Refer to
for connection details. Refer to the ACU+ Instructions (UM1M820BNA) or NCU Instructions
(UM1M830BNA) and program the following parameters.
•
Battery Block Monitoring
Voltage Type: Set to “24 (Block 2)”. This selects the EIB to monitor up to four (4) 24V battery strings
with two (2) 12V blocks per string.
BlockVDiff(12V): This menu item appears if “24 (Block 2)” is selected above. Set to the alarm threshold
for battery block monitoring per site requirements. The controller issues an alarm when any block
voltage of any battery string has an abnormal value. The alarm is issued when the difference between
any block voltage and a reference voltage is greater than the value of the block voltage difference
setting.
Block In-Use: Set to the number of 12V battery blocks being used.
•
Midpoint Monitoring
Voltage Type: Set to “Midpoint”. This selects the EIB to monitor the midpoint voltage of up to eight (8)
battery strings.
BlockVDiff(Mid): This menu item appears if “Midpoint” is selected above. Set to the alarm threshold for
battery midpoint monitoring per site requirements. The controller issues an alarm when any battery
midpoint voltage of any battery string has an abnormal value. The alarm is issued when the difference
between any battery midpoint voltage and a reference voltage is greater than the value of the block
voltage difference setting.
Block In-Use: Set to number of 12V battery blocks being used.
