Unit 23, Alternator Park
Montague Gardens 7441
Cape Town, South Africa
Solar MD (PTY) ltd.
T: (021) 555 2181
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SS4074-01 INSTALLATION MANUAL v1.4
Multicolor multipurpose button
Figure 7 : Multicolor / Multipurpose button
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Button functions
The new Solar MD Multipurpose button has an extended functionality in combination with the
BMS-EM v10.01. The Multipurpose Button can be used to directly execute 6 predefined
functions and a shutdown instruction. In combination with the 6 Indication LEDs on BMS-EM
v10.01, the user can choose between each function by holding the button until the LED count
matches the number of the function. By releasing the button while moving through the functions,
the LEDs will start blinking and wait for the user to press the button again within 3 seconds.
The predefined functions are:
1. Reserved
2. Change indication LED function between: Show Capacity, Show Current, and Off
3. Reserved
4. Wake up if Sleep mode is active
5. Activate Override Off state for 60sec
6. Activate Override On state for 60sec
If the button is held continuously after function 6, shutdown mode is activated and the battery will
send a signal to switch off in 4sec.
Further holding the button causes the BMS to delay complete shutdown for a maximum of 3
minutes. This operation is used when the technician wants to continue to read or write
parameters after shutdown.
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