KERN & SOHN CFS 50K-3 - Manual (Page 81)

17.4 I/O-function
RS-232
Fig.: 9 pin d-subminiature
bushing
RS232
Pin 2 RXD
Pin 3 TXD
Pin 4 VCC 5V
Pin 5 GND
Shift point
Pin 1 VB
Pin 5 GND
Pin 6 OK
Pin 7 LOW
Pin 8 HI
Pin 9 BEEP
Connection example with lights CFS-A03
U
OH
High-Level Output Voltage 2.4 V
U
OL
Low-Level Output Voltage 0.4 V
J1 J2
O
U
T
4
O
U
T
3
O
U
T
2
O
U
T
1
C
O
M
G
N
D
IN4
IN3
IN2
IN1
VB
C
O
M
gr
een
re
d
y
el
low
beep
A
C
pow
er
220VA
Signal light
CFS/CCS-BA-e-1422 81