GFK-2327B Chapter 3 Detailed Operation 3-15
3
Serial Communication Port
The QuickPanel View has one serial data communication port, COM1.
COM1- Serial
The COM1 port is a general purpose bidirectional serial data channel that
supports the EIA232C and EIA485 electrical standards. The COM1 port can be
accessed and configured:
as a direct or dial-up remote networking connection.
from a user-created application utility.
A connection can be configured to reside on a network supporting a TCP/IP
protocol.
A DB25S (female) connector, mounted on the bottom of the enclosure,
provides standard signals as described in the following table.
1 GND - Frame Ground 14 VCC -5VDC, 0.5A
2 TX - (EIA232C) 15 TXB (EIA485)
3 RX - (EIA232C) 16 RXB (EIA485)
4 RTS - (EIA232C) 17 n/c
5 CTS -(EIA232C) 18 CSB (EIA485)
6 DSR - (EIA232C) 19 ERB (EIA485)
7 SG - Signal Ground 20 DTR (EIA232C)
8 DCD - (EIA232C) 21 CSA (EIA485)
9 TRMRXB (EIA485) 22 ERA (EIA485)
10 RXA (EIA485) 23 n/c
11 TXA (EIA485) 24 n/c
12 n/c 25 n/c
13 n/c
Note: Pin 14 is fused with a field-replaceable, 1.0A fast-blow fuse.
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