Toshiba SX 2000 User Manual
Page 107
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Chapt.2 Specifications
A/D Conversion
Digital Value
(a) 4-20mA range : D=250xA-1000
(b) 1-5V range : D=1000xA-1000
(c) +10V range : D=200xA
Data Format(lnput 4 words)
• 1-5V/4-20mA
XW
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
B
*
*
*
D
D
D
D
D
D
D
D
D
D
D
D
D: Data bit (12 bits)
0-4000 (HOOOO-HOFAO)
B: External line abnormal detection bit
0= Normal
1= Abnormal
(Current input line open, or external power OFF)
*: Always 0
±10V
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
S
S
S
s
D
D
D
D
D
D
D
D
D
D
D
D
S: Sign bit
0= Positive
1 = Negative
D: Data bit (11 bits)
-2000 - 2000 (HF830 - H07D0)
2’s complement if negative
NOTE
1. In the voltage input specification, the data bits do not become 0 when there is an open circuit
between the input terminals. (They become indeterminate between 0 and 4000.)
2. It is recommended that unused channels are shorted between the input terminals.
90
Sequence Controller S2T