Serial Interface
Communication with the external device is possible via a dedicated cable (and conversion adapter). For information on how to connect controllers and other types of equipment, refer to the corresponding device driver manual of the screen editing software.
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You can switch the communication method between RS-232C and RS-422/RS-485 via the software.
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The serial interface is not isolated. The SG (signal ground) and FG (frame ground) terminals are separated inside this product.
DANGER |
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ELECTRIC SHOCK
Failure to follow these instructions will result in death or serious injury.
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RS-232C
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RS-232C |
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Signal name |
Direction |
Description |
|
DTR |
Output |
Data terminal ready |
|
DCD |
Input |
Data carrier detect |
|
DSR |
Input |
Data set ready |
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RI |
Input |
Ring Indicator |
|
- |
- |
(Reserved) |
|
FG |
- |
Frame ground |
|
SG |
- |
Signal ground |
|
FG |
- |
Frame ground |
|
TX |
Output |
Send data |
|
RX |
Input |
Receive data |
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RTS |
Output |
Request to send |
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CTS |
Input |
Send possible |
RS-422/485
|
RS-422/485 |
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|---|---|---|
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Signal name |
Direction |
Description |
|
SG |
- |
Signal ground |
|
FG |
- |
Frame ground |
|
TXP (SDA) |
Output |
Send data A (+) |
|
RXP (RDA) |
Input |
Receive data A (+) |
|
TXN (SDB) |
Output |
Send data B (-) |
|
RXN (RDB) |
Input |
Receive data B (-) |
DANGER