TOHO ELECTRONICS TTM000 - Manual (Page 2)

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Thank you very much for purchasing a TTM-000 Series (with communications). Please read this operation
manual carefully and use this product correctly.
Contents
1. Before using the product ...................................................................................................... 4
1.1 On this operation manual
1.2 Conditions for communications
1.3 What can be done with communications
1.4 Positioning communications (priority ranking)
1.5 Setting before communications
2. Settings regarding TOHO communications ......................................................................... 5
2.1 Overview
2.2 Setting a data length
2.3 Setting a stop bit length
2.4 Setting a parity
2.5 Setting whether to conduct a BCC check
2.6 Setting a communications speed
2.7 Setting an address
2.8 Setting a response delay
2.9 Switching communications mode
3. TOHO communications control ........................................................................................... 8
3.1 Communications procedure
3.2 Message types
3.3 Composition of a request message (transmitted from a high-level
computer to this product)
3.4 Composition of a response message (transmitted from this product to a
high-level computer)
3.5 Description of codes
3.6 Communications precautions
4. Examples of TOHO communications ................................................................................ 15
4.1 Examples of communications to be read
4.2 Examples of communications to be written
5. Settings regarding MODBUS communications ................................................................. 17
5.1 Overview
5.2 Setting a data length
5.3 Setting a stop bit length
5.4 Setting a parity
5.5 Setting a BCC check
5.6 Setting a communications speed
5.7 Setting an address
5.8 Setting a response delay
5.9 Switching communications mode