Hitachi HSC-2100, Руководство по оборудованию

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5 MAKING USE OF MODULES
5-7
5.2.3 Data area formats
(1) Formats for analog input modules
(a) Format used in remote I/O transfer -- for LWA400 to 404, LWA421 to 423, LWA430,
LWA450, LWA460, LWC400 to 402
Data area: Registered data area (or EW area)
2
15
2
11
2
10
2
0
1st word S ··· S Channel 0 input data
2nd word S ··· S Channel 1 input data
3rd word S ··· S Channel 2 input data
4th word S ··· S Channel 3 input data
• If an input value overflows in the data area, the result will be as follows:
For positive-value overflow: 2,047
For negative-value overflow: -2,048
• If an input value is insignificant, it is automatically set to H8000.
(b) Format used in remote I/O transfer -- for LWA435
Data area: Registered data area (or EW area)
2
15
2
13
2
12
2
0
1st word S ··· S Channel 0 input data
2nd word S ··· S Channel 1 input data
3rd word S ··· S Channel 2 input data
4th word S ··· S Channel 3 input data
• If an input value overflows in the data area, the result will be as follows:
For positive-value overflow: 8,191
For negative-value overflow: -8,191
• If an input value is insignificant, it is automatically set to H8000.
Data: Values in the range -2,048 to 2,047 Sign
Data: Values in the range -8,191 to 8,191
(the value -8,192 is not displayed)
Sign