IFM AL1940 - Page 83

83
ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Appendix Modbus
>
Mapping: PQI
21509
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
reserved
Wrong Length
PD OUT
Wrong Length
PD IN
Wrong Cycle
Time
Wrong
VID/DID
Invalid Data
Dev Conn
IOL Mode
Legend:
 [IOL Mode]
Operating type of the IO-Link port
1 bit
0x0
Other
0x1
IO-Link
 [Dev Conn]
Connection between IO-Link Device and IO-Link port
1 bit
0x0
not connected.
0x1
connected
 [Invalid Data]
Status of the process input data on the IO-Link port
1 bit
0x0
valid data
0x1
invalid data
 [Wrong
VID/DID]
Verification whether the current and configured
vendor ID and device ID are identical
1 bit
0x0
OK
0x1
no match
 [Wrong Cycle
Time]
Verification whether the current and configured cycle
time are identical
1 bit
0x0
OK
0x1
no match
 [Wrong Length
PD IN]
Verification whether the size of the received input data
are identical with the configured size
1 bit
0x0
OK
0x1
Configured size too small
 [Wrong Length
PD OUT]
Verification whether the size of the sent output data is
identical with the size expected by the IO-Link device
1 bit
0x0
OK
0x1
Configured size too small