Analog input – Yaskawa MP940 User Manual
Page 118

4.3 LIO Function
4-25
4
Analog Input
The SGDH analog input circuit is used for an analog input. Input data is stored in the register
specified on the LIO Definition Screen, via 2-port RAM.
∗
Analog input linearity is only assured between –12.0 and 12.0 (V).
Item
Contents
Input Voltage
Input Impedance
±12 V (max.)
Approx. 14 k
Ω
Input
Characteristics*
V data = Input register data 15/32,767
Input register data = V data
32,767/15
Analog Input
Circuit
Register Number
IW0001 (default): Can be set on the Module Configuration Definition
Screen.
A/D
V
IWxxxx
MP940
SGDH
V-REF
SG 6
5
–12 to 12 V
Shar
ed memory
Analog input data is
stored in the register
specified on the LIO
Definition Screen.
12V
-12V
32767
26213
15V
-15V
-26214
-32768
×
×
12V
3
1
25HP-10B
2 kΩ
2
100:1
V-REF
SG
0V
SGDH
5
6
1.8 k
Ω (1/2 W) min.
Approx.
14 k
Ω