Analog Data Formats; Analog Input (Lqa000/100/200) And Output (Lqa500/600/610); Table 7-6 Analog Data Format 1 - Hitachi S10mini LQS070 Hardware Manual

7 COMMUNICATION FUNCTION

7.7 Analog Data Formats

This section describes the data formats that prevail when the AI/AO module is used.
7.7.1

Analog input (LQA000/100/200) and output (LQA500/600/610)

Be sure to use the analog module in mode 1.
Data transfer mode
Normal transfer mode
Analog 4-bit
shift mode

Table 7-6 Analog Data Format 1

MSB
15
2
1st word S Channel 0 A/D conversion data
2nd word S Channel 1 A/D conversion data
3rd word S Channel 2 A/D conversion data
4th word S Channel 3 A/D conversion data
Signal Data: -2048 to +2047
No sign applies and the data range is from 0 to 4095 when the
LQA500 is used with a range setting of 2 selected or when the
LQA600/610 is used.
Upon power ON (for a period of about 0.5 second), the data = /0000.
MSB
15
2
1st word S S S S S
2nd word S S S S S
3rd word S S S S S
4th word S S S S S
Signal
Bits 12 to 15 are invalid and bit 11 serves as the data when the
LQA500 is used with a range setting of 2 selected or when the
LQA600/610 is used. The resulting data range is from 0 to 4095.
Upon power ON (for a period of about 0.5 second), the data = /0000.
− 70 −
Data format
Channel 0 A/D conversion data
Channel 1 A/D conversion data
Channel 2 A/D conversion data
Channel 3 A/D conversion data
Data: -2048 to +2047
0
2
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0
2