Connecting to the Host’s RS-422A/485 Port

Section 5-2

Connecting to a C-series Host Link Unit

C200H/C200HS/C200HE(-Z)E/C200HG(-Z)E/C200HX(-Z)E Rack-mounting Unit: C200H-LK201-V1

Setting the Front Switches

Set each switch with a flat blade screwdriver so that the values or symbols in the setting value window agree with the following:

LK201

 

 

 

RUN

 

XMT

 

RCV

 

ERROR

 

 

 

 

Unit # (SW1, SW2)

 

 

 

 

 

 

 

SW2

Set these switches to 0.

SW1

 

 

 

0

0

 

Instruction level, parity, and transfer code (SW4)

SW3

SW4

Set this switch to 2.

5 2

Communications speed (SW3)

Set this switch to 5 to select 9600 bps. Set this switch to 6 to select 19200 bps.

Setting the Rear Switches

Terminator setting (selector switch) Set this switch to ON.

Terminator

 

ON

1-to-1 (ON)

OFF

1-to-N (OFF)

1-to-1/1-to-N protocol selection (selector switch) Set this switch to 1-to-N (OFF).

C1000H/C2000H Rack-mounting Unit: 3G2A5-LK201-EV1

Setting the Front Switches

Mode selector

Host Local

Mode selector (key switch) Set this to Host link.

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Omron NT631C manual Instruction level, parity, and transfer code SW4