Panasonic MINAS A6 Multi Series Technical Reference page 229

8.4Connection example
8.4 Connection example
8.4.1 Safety input (for source output connection)
Examples of safety input connection for source output connection are shown in the figure below.
When connecting the source output circuit to the safety input, connect the negative terminal of the
external power supply DC 24 V to the common input (COMA, COMB).
When test pulse is not used
 Duplex safety input
 Safety input
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