Installation
4-5
L
_^ONMObk
4.4.1
Wiring via RS232 (LECOM-A)
The following figure schematically shows the connection to a host (here: PC) via RS232 (LECOM-A).
LEMOC
1
S1
PC system cable
Fig. 4-3
Wiring for RS232 (LECOM-A)
Wiring features for RS232 (LECOM-A):
Type
2102IB.V001
Communication media
RS232
Network topology
Point-to-point
Possible number of controllers
1
Maximum cable length
15 m
Maximum baud rate
19200 bit/s
Note!
We recommend the use of ready-made PC system cables for wiring (see chapter 8.1.2).
Wire the PC system cables as described:
1. Use metallic SubD connector shells and connect both ends of the screen to the connector
shells.
2. Connect the pins as follows:
Unit
Connection element
Pin-No. (name)
2102 fieldbus module
9-pole SubD plug
2 (RxD)
3 (TxD)
5 (GND)
Host (PC PLC etc )
9-pole SubD female plug
3 (TxD)
2 (RxD)
5 (GND)
Host (PC, PLC, etc.)
25-pole SubD female plug.
2 (TxD)
3 (RxD)
7 (GND)
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