IFM AL1940 - Page 90

90
ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Appendix Modbus
>
Command response
14273
Register
Contents
Bits 8-15
Bits 0-7
0
Port No.
1
reserved
2
reserved
3
0x10
User ID
4
Result
5
Data Length (Number of Bytes)
6
reserved / Error code
Target Mode / Error
7 ... 21
reserved
Legend:
 [Port No.]
Number of the IO-Link port
1 word
0x0001
Port X01
0x0002
Port X02
...
...
0x0008
Port X08
 [User ID]
reflected User ID from request channel
1 byte
0x00 .. 0xFF
 [Result]
Status of the command processing
1 byte
0x00
OK
0xFF
Error
 [Data Length
(Number of Bytes)]
Number of bytes that contain relevant user
data
1 word
0x0001
1 byte
0x0002
2 bytes
 [Target Mode]
Operating type of the IO-Link port
1 byte
0x00
deactivated
0x01
digital input (DI)
0x02
digital output (DO)
0x03
IO-Link
 [Error]
Error ID
1 byte
→ Error codes (→ p. 87)
 [Error Code]
additional error codes
1 byte
depends on the IO-Link device