Panasonic GM1 Series Reference Manual page 91

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Internal circuit diagram of the 64-point digital output unit (sink type)
● All positive terminals and negative terminals are connected within the unit. Connect them
externally as well.
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Limitations on the load current of the 64-point digital output unit (sink type)
The load current is limited as shown in the following figure depending on the voltage of the
external power supply.
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Limitations on the number of simultaneous output ON points of the 64-point
digital output unit (sink type)
WUME-GM1H-01
12.3 Specifications of Expansion Units
12-9