20
External Control (cont.)
Using the serial communication
You can control the monitor from a personal computer etc. via the RS-485 or RS-232C terminal.
Consult your dealer for the details of the external control specifi cation.
<Communication specifi cations>
Input terminal Cable
Terminal
specifi cation
Communication specifi cations
RS-485 A straight LAN cable
☞ See below
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
Stop Bits: 1 bit
Flow Control: No control
Communication Code: ASCII Code
RS-232C A straight cable with a D-sub 9-pin connector (male
for the monitor, female for the personal computer etc.)
<Specifi cations of the RS-485 terminal>
Pin No. IN terminal signal OUT terminal signal
1 TXD + TXD +
2 TXD – TXD –
3 RXD + RXD +
4 NC NC
5 NC NC
This is a female terminal. 6 RXD – RXD –
7 NC NC
8 GND GND
<Specifi cations of the RS-232C terminal>
Pin No. Signal
1 NC
2 RXD
3 TXD
4 NC
5 GND
This is a female terminal. 6 NC
7 RTS
8 CTS
9 NC
The 7th terminal and the 8th terminal are connected.
<Command outline>
All commands consist of the following segments.
Header Monitor ID Command ID Function Data Cr (0Dh)
On Header
“!”: Operation commands from the personal computer, etc. (☞ <Basic command list> on page 21).
“?”: Reference commands from the personal computer, etc.
“@”: Status returns from the monitor
To start communication, send the connection command from the personal computer etc.
To terminate the communication, send the termination command from the personal computer etc.
Example of communication procedures
1Starting the communication:
connection command (!00BCN1Cr)
3Selecting “SDI 1” input (!00BINACr)
5Terminating the communication:
termination command (!00BCN0Cr)
6Monitor’s status (@00BOKCr)
4Monitor’s status (@00BOKCr)
2Monitor’s status (@00BOKCr)
PC, etc.
Monitor
•
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