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3.2
RS-422 Type
The RS-422 type (CA2-ISOALL422-01) Dsub 25-pin connector's pin assignments are
as follows.
Pin #
1
2-6
7
8
9
10
11
12-13
14
15
16
17
18
19
20
21
22
23-25
Recommended Connector : Dsub25pin plug XM2A-2501 <made by OMRON>
Recommended Cover
Recommended Cable
4
Isolation Unit Connection Precaution
Since attaching the isolation unit can cause cabling problems, or put stress on the inter-
face connector, Pro-face recommends the purchase of the optional interface cable (CA1-
EXCBL/D25-01). When this cable is used, please attach the Attachment Ties provided
in the Isolation Unit's package.
Signal
Name
FG
Frame ground
NC
No connection
SG
Signal ground
NC
No connection
TRMX
Termination
RDA
Receive data A
SDA
Send data A
NC
No connection
VCC
+5V±5% output 0.15A
SDB
Send data B
RDB
Receive data B
NC
No connection
CSB
Clear send B
ERB
Enable receive B
NC
No connection
CSA
Clear send A
ERA
Enable receive A
NC
No connection
: Dsub25pin cover XM2S-2511 <made by OMRON>
Jack Screws
: CO-MA-VV-SB5PX 28AWG
<made by HITACHI Cable Ltd.>
Use rough metric type M2.6 x 0.45 p threads used to secure the
cable's set screws.
Condition
XM2Z-0071 <made by OMRON>
Signal
Direction
-
-
-
-
-
Input
Output
-
Output
Output
Input
-
Input
Output
-
Input
Output
-
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