IFM AL1940 - Page 74

74
ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Appendix Modbus
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Mapping: port configuration
18639
Bits 8-15
Bits 0-7
Port Mode
Master Cycle Time
reserved
Validation ID
Vendor ID
reserved
Device ID (MSB)
Device ID
Device ID (LSB)
Failsafe Mode -- IO-Link
Failsafe Mode -- Pin 4 (DO)
Legend:
 [Port Mode]
Operating mode of the IO-Link port
1 byte
0x00
deactivated
0x01
Digital input (DI)
0x02
Digital output (DO)
0x03
IO-Link
 [Master Cycle
Time]
Cycle time of the data transmission
between the IO-Link master and the
IO-Link device
1 byte
0x00
As fast as possible
0x01
2 milliseconds
0x02
4 milliseconds
0x03
8 milliseconds
0x04
16 milliseconds
0x05
32 milliseconds
0x06
64 milliseconds
0x07
128 milliseconds
 [Validation ID]
Supported IO-Link standard and
behaviour of the IO-Link master when
connecting new IO-Link devices to the
IO-Link port
1 byte
0x00
No validation
0x01
V1.0 device
0x02
V1.1 device
0x03
V1.1 device with Backup + Restore
0x04
V1.1 device with Backup
 [Vendor ID]
Vendor ID of the manufacturer of the
device on the IO-Link port
2 bytes
0x0000...0xFFFF
 [Device ID]
Device ID of the device on the IO-Link
port
Device ID = 0x123456
 Device ID (MSB) = 0x12
 Device ID = 0x34
 Device ID (LSB) = 0x56
3 bytes
pro Byte: 0x00...0xFF
 [Failsafe Mode --
IO-Link]
Fail-safe mode for output data when the
Modbus connection is interrupted
1 byte
0x00
No Failsafe
0x01
Failsafe Reset Value
0x02
Failsafe Old Value
0x03
Failsafe with Pattern
 [Failsafe Mode --
Pin 4 (DO)]
Fail-safe value for the operating mode
"digital output (DO)
1 byte
0x00
Failsafe Reset Value
0x01
Failsafe Old Value
0x02
Failsafe Set Value
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