81
ifm
Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940)
05 / 2018
Appendix
Modbus
>
Output Data
11407
Register
Contents
Bits 8-15
Bits 0-7
599*
Port X01...X04: Digital Output - clamp 4 (DO) (
→
Mapping: Digital output data (→ p.
600*
Port X01...X04: Compact Output Block (4n bytes)
699*
Port X05...X08: Digital Output - clamp 4 (DO) (
→
Mapping: Digital output data (→ p.
700*
Port X05...X08: Compact Output Block (4n bytes)
* ... valid start address for accessing the register area (
→
Rules for accessing the Modbus register
(
→ p.
Legend:
[Digital Output -
clamp 4 (DO)]
Digital output data - clamp 4 (operating mode DO) of 4
IO-Link ports
2 bytes
[Compact
Output Block
(4n Bytes)
Output data (operating mode IO-Link) of 4 IO-Link ports
n = [2,4,8,16,32]; is determined by parameters [Process
Data Length] (
→
Configuration Area
(
→ p.
4n bytes
per byte: 0x00...0xFF
>
Mapping: Digital output data
7264
Register 599:
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
X04:
clamp
4
0X03:
clamp
4
X02:
clamp
4
X01:
clamp
4
Register 699:
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
res.
X04:
clamp
4
0X03:
clamp
4
X02:
clamp
4
X01:
clamp
4
Legend:
[clamp 4]
Signal level on clamp 4 of the IO-Link port (DO)
1 bit
0x0
LOW
0x1
HIGH
