Commissioning/Configuration
EP6002-0002
28
Version: 1.0
4.2.1.3
RS485
You can operate the RS845 communication in two variants:
• Without diagnosis
•
With diagnosis of the transmit data [
RS485: 2-wire connection in bus structure to RS485 device(s)
Bus structure, half duplex data transmission
Fig. 18: 2-wire connection in bus structure to RS485 device(s)
The following CoE objects must be set
Index
Name
Meaning
Data type
Flags Setting
F800:0n Interface type
Ch n
0x00
RS232
BIT1
RW
0x01
(1
dec
)
0x01
RS485/422
Index
Name
Meaning
Data type
Flags Setting
80n0:06 Enable half du-
plex
channel n
0
bin
Full duplex: transmitted data are monitored. The bit has no effect in
RS232 and RS422 mode
BOOLEAN
RW
1
bin
(default)
1
bin
Half duplex: The reception of the data transmitted by the box itself is
suppressed
Index
Name
Meaning
Data type
Flags Setting
80n0:07 Enable point-to-
point connec-
tion (RS422)
Channel n
0
bin
The module is used in a bus structure in accordance with the RS485
standard.
BOOLEAN
RW
0
bin
1
bin
The module is used for a point-to-point connection (RS422).
Summary of Contents for EP6002-0002
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