Module Data Structure - Toshiba V Series User Manual

1.4.6

Module Data Structure

The RT318 provides 8W per module I/O data (RT318 base register). The data is read by
batch I/O or direct input from the controller.
The RT318 also provides other various data, but they need not be referenced except for
calibration.
Base register 15
Extended memory 15
384(180H)
6F8C0869
RT318 module internal data structure
8 7
0 RTD input Channe 1
1 RTD input Channe 2
2 RTD input Channe 3
3 RTD input Channe 4
4 RTD input Channe 5
5 RTD input Channe 6
6 RTD input Channe 7
7 RTD input Channe 8
8 7
0(00H) RTD input Channe 1
1(01H) RTD input Channe 2
2(02H) RTD input Channe 3
3(03H) RTD input Channe 4
4(04H) RTD input Channe 5
5(05H) RTD input Channe 6
6(06H) RTD input Channe 7
7(07H) RTD input Channe 8
8(08H) Status
16(10H) Offset calibration
17(11H) Offset calibration
18(12H) Offset calibration
19(13H) Offset calibration
20(14H) Offset calibration
21(15H) Offset calibration
22(16H) Offset calibration
23(17H) Offset calibration
32(20H) EEPROM offset calibration Channel 1
33(21H) EEPROM offset calibration Channel 2
34(22H) EEPROM offset calibration Channel 3
35(23H) EEPROM offset calibration Channel 4
36(24H) EEPROM offset calibration Channel 5
37(25H) EEPROM offset calibration Channel 6
38(26H) EEPROM offset calibration Channel 7
39(27H) EEPROM offset calibration Channel 8
40(28H) EEPROM write counter (L)
41(29H) EEPROM write counter (H)
EEPROM write command
0
(1) Analog input
RTD input of each
channel.
Read by batch I/O or
direct input from the
controller.
0
Same content as 8W base
register.
(2) Status
Contains RT318 module
setting and error
information.
Read with MREAD
command from the
controller.
Channel 1
Channel 2
Channel 3
(3) Offset calibration
Channel 4
Use MWRITE command
Channel 5
to write calibration here
Channel 6
when adjusting offset.
Channel 7
Channel 8
(4) Offset storage value
Read with MREAD
command when
accessing offset
calibration stored in
EEPROM.
(5) EEPROM counter
Read with MREAD
command when reading
EEPROM write count.
(6) EEPROM write command
Write with MWRITE
command.
1.4 RT318
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