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Internal circuit configuration – GW Instek GLC-9000 User Manual User Manual

Page 170

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GLC-9000 User Manual

170

Internal Circuit Configuration

Prior to using the EXT I/O connection please carefully read the
electrical characteristics above and refer to the internal electrical
circuit structure below. Ensure EXT-GND and EXT-DCV is
connected to drive the circuit I/O. The optocoupler outputs are
open-collector outputs with a maximum current of 50mA.