22 RS8FR302 © Danfoss 2015-08 AK-LM 330
Extension module AK-XM 107A
Function
The module contains eight inputs for pulse counting.
AK-LM 330 can detect signals from 4 pulse signals.
As an alternative, the input can be used to register a signal for
synchronising or an On/O signal. (DI function).
Supply voltage
The supply voltage for the module comes from the previous mod-
ule in the sequence.
LEDs
These indicate the following:
• Voltage of the module
• Communication with the controller is active (red = error)
(There is no LED indication for the individual signal inputs)
Signal
The signal is registered in accordance with DIN 43864.
Rise times and fall times must be less than 5 ms.
On and o times must be greater than 30 ms.
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