Toshiba V Series User Manual page 56

Chapter 1 Module
1
44
The data format of each register is as follows.
(1) Resistance thermometer input
The range of digital value with respect to RTD input is 800 to 4000 counts for
resistance temperature -50
o
range to assure 0.1 C/count resolution.
Note that no linear correction is performed below -50
The topmost bit (bit 15) is the disconnect detection flag. When this bit is "1", one of
the wires A, B, or C of that channel may be disconnected or not securely connected
to the terminal block.
0 15 0 11
14 13 12
A 0 0 0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Input
Full scale
Valid range upper limit
Valid range lower limit
Zero
Disconnect detection bit
1: Disconnected
o o
C to +270 C. Linear correction is performed within this
0 7
10 9 8 6 5
RTD
resistance
temperature
(°C)
280
270
-50
-125
0: Normal
o o
C or above +270 C.
0 3
4 2 1 0
RTD Digital value
Hex Positive
value
integer
( )
204.90 0FFFH
201.31 0FA0H
80.31 0320H
50.06 0000H
model 3000 Analog module User's Manual
4095
4000
800
0