Ras functions, User’s manual – Toshiba T2N User Manual
Page 144
5.RAS Functions
User’s manual
131
(3) Register value validity check function
This function checks that the register value is within the specified
numerical value range. There can be up to a maximum of 4 registers, a
minimum and maximum value is registered for each. Also, it is possible to
select the register value to be taken as an integer (signed) or as a positive
integer (unsigned).
The check is carried out immediately before starting a scan, the results are
stored in the special relay S0143-S0146 (within the range: 0, outside the
range: 1).
The register and the numerical value range are registered in programmer
system diagnosis mode.
XW034
unsigned
0
400
200
XW035
signed
-1500
1500
2000
D0011
unsigned
H0200
H9000
H1234
W0100
signed
-300
600
-1000
comparison
result
registered
register
type
minimum
maximum
present register
value
register 1 (XW034) .... S0143 = 0
register 2 (XW035) .... S0144 = 1
register 3 (D0011) ..... S0145 = 0
register 4 (W0100) .... S0146 = 1