103
9-3 RS-422/RS-485 Serial Communication (Option)
RS-422 & 485 transmit signals with the voltage difference, which are more stable for electric
noises than other communication methods.
In addition, the AC power cable or other electric wires should be placed separately, and the
shield cable (0.5Φ or more) dedicated to communications should be applied the
recommended use distance is within 1.2km.
▶ Output Method & Format
Same as RS-232C above
- RS-422 / RS-485 Connect Diagram -
Computer
Indicator
TXD+ RXD
+
TXD- RXD-
RXD+ TXD+
RXD- TXD-
Computer
Indicator
P RXD+
N RXD-
TXD+
TXD-
Summary of Contents for CI-400 Series
Page 1: ... 2 ...
Page 10: ...11 2 Specifications in Appearance 2 1 External Dimension ...
Page 29: ... 30 4 2 How to Seal the Indicator Sealing ...
Page 93: ... 94 Connection of Input Output Input AContact Output AContact ...
Page 117: ... 118 MEMO ...
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