Table of Contents
Advertisement
™
NetSure
-48 VDC Power System
Installation Instructions, IM582127000100 (Revision A, January 9, 2017)
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
optional EIB extended interface board is mounted inside the
distribution cabinet. Refer to
Figure
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
Figure 20
for terminal locations. Refer to
Table 9
for pin-out information.
Current Inputs
Connect up to three (3) shunt inputs to the optional EIB. Observe
proper polarity. Refer to
Figure 20
7
for pin-out information.
Refer to the NCU Instructions (UM1M830BNA) and program the
shunt input parameters.
NOTE: The shunt needs to be installed in the hot (-48V)
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 optional 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
terminal locations and
Table 8
Refer to
Figure 19
for connection details. Refer to the NCU
Instructions (UM1M830BNA) and program the following
parameters.
•
Battery Block Monitoring
Voltage Type: Set to "48 (Block 4)". This selects the EIB
to monitor up to two (2) 48V battery strings with four (4)
12V blocks per string.
BlockVDiff(12V): This menu item appears if "48 (Block
4)" is selected above. Set to the alarm threshold for
Spec. No: 582127000100, 582127000103
Model No: 7100
11.
Table
7,
Table
8, and
for terminal locations and
Figure 20
for
for pin-out information.
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
Table
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.
Programmable Relay Outputs
The optional EIB provides five (5) programmable alarm relays with
dry Form-C contacts. Connect up to five (5) relay outputs to the
EIB. Refer to
Figure 20
out information.
Refer to the NCU Instructions (UM1M830BNA) for programming
information.
Relay Ratings: Refer to the following.
a.
1A Steady State @ 30 VDC.
b.
3A Peak @ 30 VDC.
The relays may be preprogrammed for specific functions. Refer to
the configuration drawing (C-drawing) supplied with your system
for your system's specific configuration.
Temperature Probes
Two temperature probes can be connected to the optional EIB
(Controller Extended Interface Board) mounted inside the
distribution cabinet. Refer to "Temperature Probes" on page 23.
[29]
for terminal locations and
Table 9
Document Code: IM582127000100
Revision A, January 9, 2017
for pin-
Advertisement
Table of Contents
