IB IL AI 4/EF ...
7252_en_02 PHOENIX CONTACT 18
16 Formats for the Representation of Measured Values (IN2 to IN5)
16.1 Format: "IB IL" (Default Setting)
The measured value is represented in bits 14 to 0. An additional bit (bit 15) is available as a sign bit.
This format supports extended diagnostics. Values > 8000
hex
and < 8100
hex
indicate an error. The error codes are listed
on page 22.
Measured value representation in "IB IL" format (15 bits)
Significant Measured Values
Measuring range 0 mA to 20 mA/4 mA to 20 mA/0 V to 5 V/0 V to 10 V
Measuring range -20 mA to +20 mA/-5 V to +5 V/-10 V to +10 V
MSB LSB
1514131211109876543210
SB Analog value
SB Sign bit
Input Data Word
(Two's Complement)
0mA to 20 mA
I
Input
4mA to 20 mA
I
Input
0V to 5V
U
Input
0 V to 10 V
U
Input
hex dec mA mA V V
8001 Overrange > +21.6746 > +21.339733 > +5.419 > +10.837
7F00 32512 +21.6746 +21.339733 +5.419 +10.837
7530 30000 +20.0 +20.0 +5.0 +10.0
0001 1 +0.66667 µA +4.00053333 +166.67 µV +333.33 µV
0000 0 ≤ 0 +3.2 to +4.0 ≤ 0 ≤ 0
8002 Open circuit – < +3.2 – –
Input Data Word
(Two's Complement)
-20 mA to +20 mA
I
Input
-5 V to +5 V
U
Input
-10 V to +10 V
U
Input
hex dec mA V V
8001 Overrange > +21.6746 > +5.419 > +10.837
7F00 32512 +21.6746 +5.419 +10.837
7530 30000 +20.0 +5.0 +10.0
0001 1 +0.66667 µA +166.67 µV +333.33 µV
0000 0 0 0 0
FFFF -1 -0.66667 µA -166.67 µV -333.33 µV
8AD0 -30000 -20.0 -5.0 -10.0
8100 -32512 -21.6746 -5.419 -10.837
8080 Underrange < -21.6746 < -5.419 < -10.837
