Option Modules
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90 Hardware Description CNC 0610510/12 CNC 61.00
10.3.4 Two Serial Interfaces with RS232/RS485
Specification
X RJ45 connector
Two additional serial interfaces with RS232/485 specification in order to connect
printers, barcode scanners etc., which can be initiated by the application program.
Software Access
In the application program the interfaces can be operated via the commands ARD,
AWL, AWR and Atxt (COM2) as well as BRD, BWL, BWR and Btxt (COM3).
COM2 Pin I/O Designation Function
1 O TxD2 transmit data
2 I RxD2 receive data
3 I CTS2 clear to send
4
I/O
RS 485+
RS 485 data bus for COM2
5 RS 485-
6 O RTS2 Transmitting unit ON
7 VCC Supply for terminating resistors
8 GND Ground
COM3 Pin Designation Function
1 O TxD3 transmit data
2 I RxD3 receive data
3 I CTS3 clear to send
4 NC Not assigned
5 NC Not assigned
6 O RTS3 Transmitting unit ON
7 VCC Supply for terminating resistors
8 GND Ground
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