PROTOUCH-WIDE MONITOR: user documentation - PRELIMINARY
DOC/PROTOUCH-WIDE_MONITOR; V0.2
DOC_PROTOUCH-WIDE_MONITOR_V0.3.docx
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2.4.9
X1 (only on selected products)
X1 offers the possibility to control the monitor remotely by RS232 protocol
The signals are on 5V-TTL level therefore a level converter is needed to connect to a standard RS232 port. The 5VDC on Pin 9 can be used to
supply such a converter with the necessary voltage.
Device Connection
The Serial Port X1 is available on DSUB-9
Pin Number
RS232
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
NC
8
NC
9
+5VDC
Tab. 6
Serial Port X1
Important
Note
Maximum cable length allowed for X1 connection is 2.8 m. If longer cables are used, special overvoltage
and filtering elements must be installed to comply with the requirements of EMI/RFI
CE
-certification. Only
use high quality industrial devices with sufficient EMI compatibility.
Communication protocol
Command length: 5 bytes
Check sum:
0xFF
Byte definition:
AA BB CC DD EE, with
AA: Start string of commands
BB: String of command function
CC: String of set or get value
DD: Blank string, normally 00
EE: added string to meet check sum
Baud rate:
9600
