1-To-1 Connection Examples; Host Link Unit Connection To Host Computer - Omron SYSMAC CV Series Operation Manual

1-to-1 Connection Examples

Connecting Shield to FG
Host computer
RS-232C
(15 m max.)
Yes
RS-422
3G2A9-AL004-(P)E
Link Adapter
3-6

1-to-1 Connection Examples

3-6-1 Host Link Unit Connection to Host Computer

Communications via Communications Port 1
Full Duplex
Connect the frame ground to the shield at the connections to the PCs and at ei-
ther end of the connections between Link Adapters. An example is shown below.
CV-series PC
Yes
No
RS-422
No Yes
3G2A9-AL001
Link Adapter
The diagrams below show 1-to-1 host link connections between the Host Link
Unit and a host computer via an RS-232C cable.
The wiring method varies with the communications port used and the commu-
nications method (full duplex or half duplex).
The following diagram shows 1-to-1 host link connections using communica-
tions port 1 in full duplex. Full-duplex communication must be set using the Host
Link Unit's CPU Bus Unit System Setup.
Host Link Unit
FG
SD (TXD)
RD (RXD)
RS-232C
interface
RS (RTS)
CS (CTS)
SG (GND)
CV-series PC
Yes
No
RS-422
No No
3G2A9-AL001
Link Adapter
Signal Pin
name number
Connector
hood
1
2
3
4
5
7
Section 3-6
CV-series PC
Yes
Yes: Connect shield to FG.
No: Do not connect shield to FG.
Host computer
Pin
number
Connector
hood
1
2
3
RS-232C
interface
4
5
6
7
8
20
Shield
35