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O P E R A T I N G I N S T R U C T I O N S | safeRS3
8027489/2022-03-01 | SICK
Subject to change without notice
4 GET TO KNOW SAFERS3
Data type
Description
Communication
direction
Unsafe
DIAGNOSTIC DATA
safeRS3 Control PROFINET:
l
internal status with an extended description of the error
condition
safeRS3 Sensor:
l
internal status with an extended description of the error
condition
from the control
Unsafe
SYSTEM STATUS AND TARGET DATA
from the control
4.6
Modbus communication
4.6.1
Modbus support
The Modbus communication uses the Ethernet port (Modbus TCP) and consequently is
only available for safeRS3 Control PROFINET.
4.6.2
Modbus communication enabling
In the safeRS3 Designer application, click on
Settings
>
Modbus Parameters
>
ON
to
enable the feature.
Within the Ethernet network, the control acts like a server. The client must send
requests to the IP address of the server on the Modbus listening port (default port is
502).
To show and change the address and the port, click on
Settings
>
Network Parameters
and
Settings
>
Modbus Parameters
.
4.6.3
Data exchanged through Modbus
The following table details the data exchanged through the Modbus communication:
Data type
Description
Communication
direction
Unsafe
SYSTEM STATUS DATA
safeRS3 Control PROFINET:
l
internal status
l
status of each of the four outputs
l
status of each of the two inputs
safeRS3 Sensor:
l
status of each protective field (target detected or not)
or error status
l
muting status
from the control
Unsafe
DYNAMIC CONFIGURATION STATUS
l
ID of the dynamic configuration currently active
l
signature (CRC32) of the dynamic configuration ID
currently active
from the control
