System Application Guide
SAG582127000
Spec. No. 582127000 (Model 721
NPBB
)
Issue AF, February 26, 2014
Page 51 of 125
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Optional SM-DU+ Shunt Monitoring, P/N 548078
Features
♦
Provides twenty-five (25) shunt monitoring inputs.
Ordering Notes
1) Order optional SM-DU+ Shunt Monitoring for any fuse
panel with shunts (Lists AF, AH, AK, BF, or BH) or any
GJ/218 panels (Lists AC, AD, BC, or BD) that are
equipped with shunted breakers. (The SM-DU+ is
factory-wired to the shunts.) Order by P/N 548078 as
required.
Optional Temperature Probes
Features
♦
Up to two (2) temperature probes can be connected to the IB2 (ACU+ Interface Board). Up to two (2)
additional temperature probes can be connected to the optional EIB (ACU+ Extended Interface Board).
Any combination of the four (4) temperature probes can be programmed to monitor ambient temperature
and/or battery temperature. A temperature probe set to monitor battery temperature can also be used for
the rectifier battery charge temperature compensation feature, or the battery charge temperature
compensation feature can be programmed to use the average or highest value of all battery temperature
probes. The battery charge temperature compensation feature allows the controller to automatically
increase or decrease the output voltage of the system to maintain battery float current as battery
temperature decreases or increases, respectively. Battery life can be extended when an optimum charge
voltage to the battery with respect to temperature is maintained. A temperature probe set to monitor
battery temperature can also be used for the BTRM (Battery Thermal Runaway Management) feature.
The BTRM feature lowers output voltage when a high temperature condition exists to control against
battery thermal runaway.
♦
The temperature sensor end of the probe contains a tab with a 5/16” clearance hole for mounting.
♦
Temperature probes can also be used with the optional
SM-Temp Temperature Concentrator
Restrictions
A temperature probe programmed to monitor battery temperature should be mounted on the negative post of
a battery cell to sense battery temperature. A temperature probe used for battery charge temperature
compensation or BTRM (Battery Thermal Runaway Management) should also be mounted on the negative
post of a battery cell. A temperature probe programmed to monitor ambient temperature should be mounted
in a convenient location, away from direct sources of heat or cold.
Ordering Notes
1) Order temperature probes as required. Note that each temperature probe consists of two pieces which
plug together to make a complete probe (see the following illustration). For a complete temperature
probe, order one (1) P/N 552992 (10.3 meters) or one (1) P/N 556155 (3.3 meters). If additional length is
required, order temperature probe extension cable P/N 04119122 (10 meters).
2) If more probes are desired, order one or more SM-Temp Temperature Concentrator, P/N 547490.
See
