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Basic principles, overview and ordering information
© 2002 Wieland Electric GmbH Version 2.4* (December 2002)
Part no. 05.591.3389.0
© 2002 Wieland Electric GmbH
85
2.21.2 LED displays for
ricos
RS 232/485
1
2
3
4
5 6
LED displays for
ricos
RS 232/485
No.
LED
Colour
Meaning
1
24 V
yellow
Supply voltage DC 24 V is connected
2
RUN
yellow
Internal data transmission to bus coupler is running
3
TxD
green
Send data active
4
RxD
green
Receive data active
5
RTS
green
Request to send active
6
CTS
green
Clear to send active
Force, Lock and Display mode
NOTE
The TRIGGER function is not supported! The TRIGGER function is processed in the bus coupler.
FORCE mode remains on the module without any reactions. If the FORCE flag has been set by the bus
coupler, it is ignored by the RS 232 module.
Display mode:
E00, E02, E04 or E06 indicate the byte values of EB0 and EB1 in hexadecimal
format
e.g. 0142 / EB0 = 0x01 and EB1 = 0x42
E01, E03, E05 or E07 indicate the byte value of EB2 and EB3
E08, E10, E12 or E14 indicate the byte value of EB4 and EB5
E09, E11, E13 or E15 indicate the byte value of EB6 and EB7