Lenze I/O system 1000 System Manual - Manual (Page 220)

Product description
I/O compound modules − communication
RS232 interface − EPM−S640
3
l
220 EDSIO1000 EN 7.0
Overview
2 6
3 7
4 8
1 5
EPM-S640
DC24V
0V
TxD
RxD
CTS
RTS
GND
DCD
DTR
DSR
1
0 CP
SLIOS640
Fig. 3−75 Elements and circuit diagram
0
Displays for module status
1 Terminals
1...8 Connection number
Status displays
Module status LEDs 0
View Pos. Designation Colour Explanation
1
10
1 RUN Green On: Module is ready for operation
2 MF Red On: Module error (see table below)
3 TxD
Green
On: Transmit data
4 RxD On: Receive data
5 IF Red
Blinking: Line interruption, overflow, parity error,
or character frame error
6
− − Not assigned
7
8
9
SLIO001 10
Messages of the status LEDs RUN and MF
RUN MF Meaning
On Off
Module status OK
Bus communication is OK
On On
Module reports error
Bus communication is OK
Off On
Module reports error
Bus communication not possible
Off Off Error in the bus supply voltage
Blinking Blinking Configuration error ( ^ 249)