3 sensor analog input function block (atm) – INFICON PSG55x ATM to Medium Vacuum Gauge (Profibus) User Manual
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tira56e1 (2010-02) PxG55x.cp
This function block describes the functionality of the Atmosphere Pressure Sensor
measuring part of the gauge.
The PSG55x and some variants of the PCG55x do not have a Atmos-
phere Pressure Sensor (ATM) and this function block (ATM) is not sup-
ported.
The following attributes are supported:
ID Name
Structure Data type
Bytes Access
Store
→
15 AIBlockAdjust
Command
Record UINT8
2 1_R/W
2_R/W
N 40
16 Block Type ID
Simple
OSTRING(n)
4
1_R
2_R
N 41
19 ProcessValue
(PV)
Simple *)
- 0_XI
1_R
2_R
D 41
20 Status
Simple UINT8
1 0_XI
1_R
2_R
D 41
21
Data Type
Simple
1
2_R/W
N
41
22
Data Unit
Simple
UINT16
2
2_R/W
N
41
23 Reading
Valid
Simple Boolean
1 1_R
2_R
D 42
24 Full
Scale
Simple *)
- 1_R
2_R
N 42
39 Safe
State
Simple UINT8
1 1_R/W
2_R/W
N 42
40 Safe
Value
Simple *)
- 1_R/W
2_R/W
N 42
44 Overrange
Simple *)
- 1_R
2_R
N 42
45 Underrange
Simple *)
- 1_R
2_R
N 42
*) According to data type value (ID 21)
Byte
Name
Structure
Data Type
Bytes
Access
Store
0 Adjust
Command
Simple UINT8 1 1_R/W
2_R/W
N
1 Target
Value Simple
*)
1 1_R/W
2_R/W
N
*) According to data type value (ID 21)
Adjust Command
Name
Description
0
2…255
Reserved
Reserved, no action
1
Gain Adjust If this service is performed, the ATM sensor
value will be set to the same value as at that
time measured by the diaphragm gauge.
Target value
Description
0…255 Not
available
To perform the Gain Adjust vent to atmosphere and then start the Gain Adjust
Service.
8.3 Sensor Analog Input
Function Block
(ATM)
8.3.1 Analog Input Block
Adjust Command
(ID 15)
Gain adjust algorithm