Hardware manual

AH500 Hardware Manual
5-83
5.10.4.1 Wiring Input Terminals
The input signal is the direct-current power input. Sinking and sourcing are the current driving capability of a
circuit. They are defined below.
 Sinking
Direct current
The current flows into the common terminal S/S.
Equivalent circuit of the input circuit
S/S
X0.8
I/
O
Internal
circuit
 Sourcing
Direct current
The current flows from the common terminal S/S.
Equivalent circuit of the input circuit
S/S
X0.8
I/
O
Internal
circuit