Application examples, Rs-232, 2-wire connection – Westermo TD-23 User Manual

Page 22

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Application examples

RS-232, 2-wire connection

ON

1 2 3 4 5 6 7 8

S1

ON

1 2 3 4 5 6 7 8

S2

ON

1 2 3 4

S3

DIP-switch setting for both units

2-wire twisted pair

RS-232

RS-232

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