Pressure Measurement Module 4Vp4D4; Data Formats And Value Ranges For The Pressure Measurement Module 4Vp4D4 - Aventics 2AI2M12-E Description Du Système Et Notice D'emploi

AVENTICS | AES I/O Modules, Analog | R412018147–BAL–001–AG
6.3.11

Pressure measurement module 4VP4D4

The pressure measurement modules have a permanently programmed parameterization that
cannot be changed.
6.3.12 Data formats and value ranges for the pressure measurement module
4VP4D4
Table 67: Structure of the process data of the inputs for "8 bits data format, measurement range -1 to
+1 bar/-14.5 to +14.5 psi" (4VP4D4)
Bit 7 Bit 6 Bit 5
D7 D6
D.. : Value of the bit (0/1)
The value of 14.5 psi is equal to a value of 1 bar. The maximum measurement range is limited to
1.0 bar/14.5 psi by the pressure sensor in use.
Table 68: Value ranges of the process data of the inputs for "8 bits, measurement range -1 to +1 bar/-14.5 to
+14.5 psi" (4VP4D4)
Nominal value of the
Resolution
measurement range
-1 to +1 bar 8 mbar/bit
-14.5 to +14.5 psi 0.116 psi/bit
D.. : Value of the bit (0/1)
Bit 4 Bit 3
D5 D4 D3
Value
-1 bar
-0.008 bar
0 bar
+0.008 bar
+1 bar
-14.5 psi
-0.116 psi
0 psi
+0.116 psi
+14.5 psi
Structure of the I/O Module Data
Bit 2 Bit 1 Bit 0
D2 D1 D0
Example
D0–D7 D0–D7
Decimal Hexadecimal
0 00
124 7C
125 7D
126 7E
250 FA
0 00
124 7C
125 7D
126 7E
250 FA
113