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3 PRODUCT DESCRIPTION
3.1
Introduction
The MasterShunt 500 is a battery monitor that enables system automation and also provides power to the MasterBus network.
The battery bank is monitored in the most accurate way by measuring the voltage and the (dis)charge current through a shunt.
The extended information about the status of a battery bank includes voltage, current, State Of Charge (SOC) and indication of
the time remaining.
The SOC is expressed as a percentage. This value is automatically compensated by the charge efficiency factor (C.E.F.) and
the Peukert exponent. When the battery is fully charged, the SOC will be reset to 100%. A non Li-ion battery is considered to
be fully charged if one of the following conditions is met.
1
Parameters below are met for at least 30 seconds:
All of the Ah's discharged are charged back into the battery (real counting without CEF).
The actual charge current is less than the setting for charge amps for full battery but more than 0A.
2
For at least 4 hours the battery voltage is higher than the float voltage plus 1.0/2.0/4.0V (at nominal battery voltage
12/24/48V).
3
For at least 8 hours the battery voltage is higher than the float voltage plus 0.3/0.6/0.9V (at nominal battery voltage
12/24/48V).
4
For at least 12 hours the battery voltage is higher than the float voltage minus 0.1/0.2/0.3V (at nominal battery voltage
12/24/48V).
A display like the Touch 10 (in a CZone network) or the EasyView 5 (in a MasterBus network) can be used to show the battery
information.
3.2
Exterior
Figure 2 : Overview of the MasterShunt
3.3
LED indicators
The MasterShunt 500 features two LED indicators; one between the connectors at the battery side and one between the
connectors at the load side (item 9 in Figure 2).
Condition
Simultaneously slow blinking
Simultaneously irregular blinking
Alternately fast blinking
MasterShunt 500 – User and Installation manual
Meaning
No network activity
Network activity
Alarm situation
1.
Positive battery pole at battery side
2.
Fastening screw, on both sides (turn 90 degrees to
loosen top)
3.
Negative battery pole at battery side
4.
CZone/MasterBus connector
5.
Temperature sensor connector
6.
Mounting hole for M8 socket screw
7.
CZone/MasterBus connector
8.
Negative battery pole at load side
9.
Status LEDs, on both sides
10. Positive battery pole at load side
11. Bus bar or optional Internal fuse
5
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