Baldor MicroFlex, Installation Manual

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5-14 Input / Output MN1919
5.4 Serial port - X6
Location Connector X6
Pin RS232 name RS485 / RS422 name
1
(NC) (NC)
2 RXD RX- (input)
3 TXD TX- (output)
4
(NC) (NC)
5 0V GND 0V DGND
6
(NC) (NC)
7 RTS TX+ (output)
8 CTS RX+ (input)
9
(NC) (NC)
Description RS232 or RS485 / RS422 connections on a 9-pin male
D-type connector
MicroFlex is available with either an RS232 or RS485 serial port (see section 2.2.1). The port
is fully ESD protected to IEC 1000-4-2 (15kV).
5.4.1 Using RS232 cable
The MicroFlex has a full-duplex RS232 serial port with the following preset configuration:
H
57.6 Kbaud
H
1 start bit
H
8 data bits
H
1 stop bit
H
No parity
H
Hardware handshaking lines RTS and CTS must be connected.
MicroFlex
(DTE)
9-pin
Computer
COM Port
(DTE)
X6
RXD 2
TXD 3
GND 5
2 RXD
3 TXD
5 GND
RTS 7
CTS 8
7 RTS
8 CTS
COM
Connect overall shield
to connector backshell.
Figure 38 - RS232 serial port connections
When the MicroFlex is connected to Mint WorkBench, the Tools, Options menu item can be
used to configure the serial port. The configuration can also be changed using the Mint
keyword
SERIALBAUD
(see the Mint help file for details).
1
5
6
9