turck BL20 Series - 8.8.6 Process input data; 8.8.7 Standard value representation for voltage;current

161
2020/09
8.8.6 Process input data
For input-parameterization as Pt-/Ni-or R, the measurement value can be found in the channel with
the lower number of the used channels (K1, K3, K5, K7).
8.8.7 Standard value representation for voltage/current
16-bit representation
Chan-
nel
B7 B6 B5 B4 B3 B2 B1 B0 B7 B6 B5 B4 B3 B2 B1 B0
MSB LSB
1
Byte 1 Byte 0
2
Byte 3 Byte 2
3
Byte 5 Byte 4
4
Byte 7 Byte 6
5
Byte 9 Byte 8
6
Byte 11 Byte 10
7
Byte 13 Byte 12
8
Byte 15 Byte 14
-10…10 V bipolar Diagnostics dec. hex.
Voltage value U
M
= (dec. value × 3.052 × 10
-4
) V
> 10.1000 V at DIA Measured value
out of range
ON
32767 7FFF
 10,0500 V at DIA
Measured value
out of range Off
32767 7FFF
10.0000 V
nominal range
32767 7FFF
9.9997 V 32766 7FFE
… … …
5.0002 V 16384 4000
… … …
0.000305 V 1 0001
0.000000 V 0 0000
-0.000305 V -1 FFFF
… … …
-5.0000 V -16384 C000
… … …
-9.9997 V -32767 8001
 -10,0000 V -32768 8000
 -10,0500 V at DIA
Measured value
out of range
Off
-32768 8000
< -10.1000 V at DIA
Measured
value out of range
ON
-32768 8000