Technical Information
Chapter
4
RFU63x
Electrical installation
8014335/YUO7/2016-04-04
©
SICK AG · Germany · All rights reserved · Subject to change without notice
53
4.8.4
Wiring the RS-422 serial host data interface in the CDB650-204 connection
module
Note on using the RS-422 data interface of the RFU630
The relevant interface drivers for the RFU630 comply with the standard for RS-422 and
RS-485
Activation in the RFU630 with the SOPAS ET configuration software:
S
ERIAL
HOST
INTERFACE
/
HARDWARE
/RS-422/485 4
WIRE
(
POINT
TO
POINT
) device page
The connection shown above is configured for operation of the host with permanently
activated drivers (often described as "RS-422 operation"). I.e., not RS-485 bus opera-
tion.
RFU630
CDB650-204
Host
(
)
1
.
.
.
TD+
TD‒
RD+
RD‒
RD+
RD‒
TD+
TD‒
GND
GND
GND
11
12
1
5
5
6
11
12
6
33
T+
43
T
‒
/TxD
34
R+
44
R
‒
/RxD
42
GND
6
Shield
RS-422
RS-422
422
485
S6 : RS
ON
OFF
S7: Term 485
S6
422
S7
OFF
120 Ω
485
S7: Term 485
Switch to ON if the RS-422 receiver
in the RFU630 has to be terminated
to improve the noise ratio of the on
the cable.
1) Cable:
No. 6052286 (2 m)
No. 6051194 (3 m)
No. 6051195 (5 m).
3
1
7
2
6
5
4
8
13
14
17
15
9
10
12
16
11
3
1
7
2
6
5
4
8
13
14
17
15
9
10
12
16
11
M12, 17-pin, A-coded
Male
connector
Female
connector