Handheld Terminal
Connection
User's Manual, Version: 1.3
35
© KEBA 2007
4.8 RS-422-A
The serial interface can be used as RS-422-A or as RS-232-C interface
(selection by Dip switches).
The communication takes place via the COM-SIO connector S11 in the ca-
ble entrance area of the KeTop.
Information
•
The simultaneous use of the Ethernet interface and the COM interface
(RS-422-A or RS-232-C) is only possible with an appropriate cable .
The RS-422-A interface assigned to the COM 5 interface port is in the soft-
ware. The interface parameters are set via the WIN32API in the Windows
operating system.
4.8.1 Wiring
diagram
K2
1
2
3
4
6
8
9
10
11
7
1
2
3
6
S6
S1
1
K2
5
X1
ENABLE_ED2-
ENA
ENABLE_ED1-
ENA
E-STOP_ES2-
E-S
E-STOP_ES1-
E-S
GND
+24 V DC
1
2
3
4
5
6
7
8
9
10
13
14
15
16
K1
KeTop
Connection box KeTop CB211
S22 K3
K1
A (TXD-)
B (TXD+)
A'(RXD-)
B'(RXD+)
1
2
3
4
5
6
X3
SHIELD
A' (RXD-)
B' (RXD+)
A (TXD-)
B (TXD+)
External device
A' (RxD-)
A (TxD-)
B' (RxD+)
B (TxD+)
RS-422-A
7
8
12
17
1
3
4
5
6
2
13
14
15
16
Intermediate cable
KeTop IC2xx
K1
11
9
10
Connection cable
KeTop TTxxx
brown
yellow
green
grey
pink
brown-green
white-green
grey-pink
red-blue
black
violet
blue
white
orange
red
brown
yellow
green
grey
pink
brown-green
white-green
grey-pink
red-blue
black
violet
blue
white
orange
red
24 VDC
GND_IN
Enabling switch, circuit 1, pos.
Emergency stop, circuit 1
Emergency stop, circuit 1
Emergency stop, circuit 2
Emergency stop, circuit 2
Enabling switch, circuit 1, neg.
Enabling switch, circuit 2, pos.
Enabling switch, circuit 2, neg.
not used
not used
not used
RS 422
B5
B4
B2
B3
Connection of KeTop T50VGA with RS-422-A via connection box KeTop CB211