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Toshiba
AS311 user manual
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Contents
Main
AS311
Page
Safety Precautions
Safety Precautions
Symbols Used In This Manual
HINT
2
About This Manual
About This Manual
Inside This Manual
About This Manual
Related Manuals
Terminology
4
Contents
Contents
Page
Section 1 AS311 Overview
8
1.1 Introduction
CPU module
T3
Channel 2 RS-232C
1. AS311 Overview
1.2 AS311 functions
10
1. AS311 Overview
1.3 External features
AS311
Page
12
Page
Page
Section 2 Specifications
16
2. Specifications
2.1 General specifications
2.2 Functional specifications
2. Specifications
2.3 Transmission specifications
Page
Section 3 Cable Connections
20
3. Cable Connections
3. Cable Connections
Page
Section 4 Register Configuration
24
4.1 I/O allocation and I/O registers
Page
26
4.2 AS311 buffer memory
4.2.1 Memory map
4.2.2 Buffer memory access
28
4.2.3 Parameter area
30
Page
32
Page
34
Page
36
4.2.4 Receiving and transmitting data area
Section 5 Operation Procedure
38
5.1 Transmission message format
5.2 Received message read sequence 5.2.1 Flag control timing
40
5.2.2 T3 sample program for message receiving
Page
42
5.3 Write sequence for message transmitting 5.3.1 Flag control timing
44
5.3.2 T3 sample program for message transmitting
Page
46
5.4 Checking the AS311 operation status
48
5.5 Resetting the AS311 by software
5.6 Setting the trailing code
50
5.7 Setting the time-out check time
Section 6 RAS Information
52
6.1 LED indication
6.2 Buffer memory information
6.2.1 Module status
54
6.2.2 Switch setting status
6.2.3 Error information for data receiving
56
6.2.4 Error information for data transmitting
6.3 Trouble shooting
Page
Appendix
60
A.1 Specification of the READ instruction
Page
62
A.2 Specification of the WRITE instruction