Cerabar PMP21 IO-Link System integration
Endress+Hauser 21
8 System integration
8.1 Process data
The measuring device's process data are transmitted cyclically as per SSP 4.3.1
Bit-offset Name Data type Permitted values Offset/gradient Description
0 Process Data
Input.Switching
Signal Channel 1.1
Pressure
1-bit Uinteger 0 = False
1 = True
- Switching signal
status SSC 1.1
1 Process Data
Input.Switching
Signal Channel 1.2
Pressure
1-bit Uinteger 0 = False
1 = True
- Switching signal
status SSC 1.2
8 Summary status
(Condensed)
8-bit UInteger • 36 = Error
• 60 = Function
check
• 120 = Outside
specifications
• 128 = Good
• 129 =
Simulation
• 164 =
Maintenance
required
- Summary status as
per PI specification
16 Pressure Float32 - psi: 0 /
0.0001450326
bar: 0 / 0.00001
kPa: 0 / 0.001
MPa: 0 / 0.000001
Current pressure
Process Value Pressure [Float32]
[47...16 bit]
Condensed
status
N/A SSC 1.1-1.2
[15...8 bit] [7...2 bit] [1.0 bit]
8.2 Reading out and writing device data (ISDU – Indexed
Service Data Unit)
Device data are always exchanged acyclically and at the request of the IO-Link master.
Using the device data, the following parameter values or device statuses can be read out:
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