Reading Out And Writing Device Data (Isdu - Indexed Service Data Unit) - Endress+Hauser IO-Link Ceraphant PTC31B Operating Instructions Manual

System integration
Designation
Extended Ordercode
ENP_VERSION
Device Type
Simulation Switch Output
(OU1)
Simulation Current Output
(OU2)
Simulation switch output
(OU2)
Device search
Operating Mode (FUNC)
Unit changeover (UNI)
Zero point configuration
(ZRO)
Zero point adoption (GTZ)
Damping (TAU)
Lower Range Value for 4
mA (STL)
Upper Range Value for 20
mA (STU)
Pressure applied for 4mA
(GTL)
Pressure applied for 20mA
(GTU)
Alarm current (FCU)
32
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:
8.2.1 Endress+Hauser-specific device data
ISDU ISDU Size
(dec) (hex) (byte)
259 0x0103 60
257 0x0101 16
256 0x0100 2
85 0x0055
66 0x0042 1
86 0x0056 1
87 0x0057 1
88 0x0058 1
67 0x0043 1
68 0x0044 4
69 0x0045 1
70 0x0046 2
71 0x0047 4
72 0x0048 4
73 0x0049 1
74 0x004A 1
75 0x004B 1
Ceraphant PTC31B, PTP31B, PTP33B IO-Link
Data type Access Default
value
String r/-
String r/- 36587
Uinteger16 r/- 0x92FE
r/w Off
uint r/w Off
uint r/w Off
uint r/w Off
uint r/w 1
uint r/w
int r/w 0
uint -/w
uint r/w 20
int r/w 0
int r/w 10000
uint -/w
uint -/w
uint r/w MAX
Value range Offset /
Gradient
0 ~ off,
1 ~ low,
2 ~ high,
4 ~ 4 mA,
5 ~ 8 mA,
6 ~ 12 mA,
7 ~16 mA,
8 ~ 20 mA,
9 ~ 21.95 mA,
otherwise 3.5 mA
0 ~ off,
1 ~ low,
2 ~ high
0 ~ off
1 ~ on
0 ~ off,
1 ~ I,
2 ~ PNP
0 ~ bar,
1 ~ kPa,
2~ psi,
3~ MPa
in 00.00%, default
0.00%
in 000.0 sec, default 0 / 0.1
2.0 sec
in 00.00%, default bar: 0 / 0.001
0.00% kPa: 0 / 0.1
MPa: 0 /
0.0001
psi: 0 / 0.01
in 00.00%, default bar: 0 / 0.001
100.00% kPa: 0 / 0.1
MPa: 0 /
0.0001
psi: 0 / 0.01
0 ~ MIN,
1 ~ MAX,
2~ HOLD
Data
storage
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Endress+Hauser