38 IO-Link Interface
787-1668/0000-0080 Electronic Circuit Breaker
Manual
Version 1.1.0, valid from firmware 2.4.0
7.1.2
Input Data
Direction of communication:
IO-Link Master
→
Electronic circuit breaker
The input data is 3 bytes.
•
1st byte
: This byte contains the control commands for the electronic circuit
breaker.
A “0” means switch OFF; a “1” = switch ON/reset (depending on the actual
status of the channel).
•
2nd byte:
In this byte, what data to be received from the electronic circuit
breaker via bytes 3 … 5 can be configured.
•
3rd byte:
This byte contains validation bits for confirmation of byte 1 and
byte 2.
A channel switched OFF manually can only be switched ON again via
buttons on the device!
A channel switched OFF manually on the device cannot be switched ON again
via the IO-Link interface.
Table 23: Byte 1 – Commands for the Electronic Circuit Breaker (Switch ON, Switch OFF, Reset)
Description
Byte 1
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Channel 1
0
0
0
0
0
0
0
1
Channel 2
0
0
0
0
0
0
1
0
Channel 3
0
0
0
0
0
1
0
0
Channel 4
0
0
0
0
1
0
0
0
Channel 5
0
0
0
1
0
0
0
0
Channel 6
0
0
1
0
0
0
0
0
Channel 7
0
1
0
0
0
0
0
0
Channel 8
1
0
0
0
0
0
0
0
Table 24: Byte 2 – Configuration Byte for Data Transmission to the IO-Link Master
Description
Byte 2
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
If process data bytes 1 ... 3 (see Setting
“Process Data Options”) are set to the
value 255 (“Use Process Data”), what
data is contained in the options
send/receive bytes can be determined in
this byte.
1
0
0
0
0
0
0
0
1
1
The selection options are available in the Table “Possible Combinations for the Optional
Process Data Bytes”
