
WAGO-I/O-SYSTEM 750 Device Description 23
750-652 Serial Interface RS-232 / RS-485
Manual
Version 1.3.0
3.3 Display Elements
Figure 5: Display Elements
Table 8: Legend for Figure “Display Elements”
LED Designation Status Function
A Function
Green
Ready for operation and undisturbed internal bus
communication
Red
Not ready for operation or no or disturbed internal bus
communication
B
TxD
(transmit)
No signal transmission TxD
Signal transmission TxD present
1)
Yellow
I/O module has received XOFF character, the
transmission is inactive
2)
CTS line has fallen, the transmission is inactive
4)
C
RxD
(receive)
No signal transmission RxD or input open
Signal transmission RxD present
1)
Red
Signal transmission RxD present
1)
, but some characters
received are defective. (parity, data frame or overrun
3)
D
Transmission
status
Yellow
Input buffer is full (LED lights up if there are more than
2304 characters in the input buffer. LED does not light
up if there are fewer than 2176 characters in the input
E Mode
RS-422 full-duplex, data exchange
F Data flow control
RTS/CTS data flow control active
4)
XON/XOFF data flow control active
2)
RTS with lead time and follow-on time is active
5)
G
Data exchange
mode
5)
Data exchange mode is OFF
5)
Data exchange mode is initialized
Data exchange mode is ON, but there is no
communication (timeout)
DMX
5)
1)
With high baud rates, the pulses are so short that the on state cannot or can hardly be detected
with the naked eye.
2)
XON/XOFF data flow control active
3)
Defective characters are not transmitted by the I/O module to the fieldbus coupler/controller.
4)
RTS/CTS data flow control active
5)
Firmware version 03 or higher
Komentarze do niniejszej Instrukcji