Sageon Shield Standalone Battery Monitor
PM990-4023-01, Issue 4
7
Note:
“Cell” can mean either a single battery cell or monoblock.
Accuracy:
±
0.5% of measurement.
Drift for 1 year:
±
10mV at 0
°
C to 40
°
C
Resolution:
5mV per cell (2V, 4V, 6V range), 10mV per cell (12V range)
Power supply:
from SCU (
±
15V)
Maximum distance from SCU:
30 ft. combined cable length from SCU for all SBM’s. If an SSM (Sageon Site
Monitor) is used, it should have its communication cable terminated at the SCU interface board and not connected
to any SBM.
5.
INSTALLATION OF SAGEON BATTERY MONITOR BOARD
5.1.
PREPARING THE BATTERY FOR CONNECTION TO THE SBM
SBM Battery Sense Leads are supplied with an internal 56
Ω
/PR02 resistor, as shown in Figure 9. In the event of
a short circuit, this resistor will act like a current limiting device/fuse, protecting the SBM and batteries from
damage.
Figure 9. Battery sense wire and current limiting protection (heat-shrink not shown).
Figure 10. Battery terminal adapter.
To connect the sense leads to the SBM and to the battery cells:
CAUTION: DO NOT
proceed if the battery string is being charged or discharged at a high rate. Continue only
when the battery string is at float or disconnected from the charging system.
1.
Note the battery configuration and select the appropriate figure from section 4.2 of this manual.
2.
Pay particular attention to the polarity of the connections and insertion/removal of the J9 link.
3.
Refer to the selected figure and measure the length of wire needed to reach from a terminal on an
SBM terminal block to the indicated battery cell.
4.
Select a battery sense lead and cut the wire to length. Strip the un-terminated end 3/16".
5.
Feed the stripped end of the wire through one of the large grommets under the rear panel of the
standalone battery monitor.
6.
Connect the stripped lead to the appropriate SBM board screw terminal on J2 or J3.
7.
Connect the supplied battery adaptor post (ring-lug terminal) to the appropriate battery cell
terminal; make certain to re-torque the battery cell terminal bolt to the manufacturers specified
torque requirements.
8.
Connect the battery adaptor post to the battery sense wire using the integral slip-on connectors.
9.
Repeat until the battery cells are wired to the SBM terminal block(s).
10.
Repeat the above steps for each battery string.
Current Limiting
Resistor
Female blade
(slip-on) connector
Ring terminal to
battery post
Male blade (slip-on)
connector
