Toho-electronics TTM-00BT Uživatelský manuál

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TOHO ELECTRONICS INC.
Multi-Channel Board Controller
Detailed Manual
Thank you very much for purchasing a Multi-Channel Board Controller.
The Multi-Channel Board Controller outputs control signals that match an input from
a thermocouple (a K/J thermocouple) or an input from a temperature input from a
resistance bulb (Pt100/JPt100) to a predetermined setting.
The product comes equipped with an RS-485 or an RS-232C for data
communications with a host computer.
For control output, the product is provided with up to eight open collector outputs,
along with event outputs consisting of 11 open collector outputs (eight temperature
alarm outputs, one heater wire break alarm, one SSR breakdown alarm, and one error
alarm), eight current detector inputs, and one voltage input.
Please read this detailed manual carefully and use this product correctly.
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Strany 1 - Detailed Manual

1 TOHO ELECTRONICS INC. Multi-Channel Board Controller Detailed Manual Thank you very much for purchasing a Multi-Channel Board Controller.

Strany 2

10 Parameter a) Identifier b) Name c) R/W d) Description and set range e) Remark Initial value (communication numerical data) TC, thermocouple

Strany 3 - Warnings

11 Event output parameters a) Identifier b) Name c) R/W d) Description and set range e) Remark Initial value (communication numerical data) TC

Strany 4 - 2.2 Names and functions

12 Voltage input parameters a) Identifier b) Name c) R/W d) Description and set range e) Remark Initial value (communication numerical data) T

Strany 5 - 3. Installation

13 Monitor window parameters a) Identifier b) Name c) R/W d) Description and set range e) Remark PV1 Measurement R Used as a measurem

Strany 6 - 4. Making the connections

14 Control parameters a) Identifier b) Name c) R/W d) Description and set range e) Remark Initial value (communication numerical data) TC, the

Strany 7 - 4.2 Terminal arrangement

15 Control parameters a) Identifier b) Name c) R/W d) Description and set range e) Remark Initial value (communication numerical data) TC, therm

Strany 8

16 7. Function description 7.1 Display range and set range of temperature input 7.1.1 Display range and set range of thermocouple input (JIS C

Strany 9 - Warning

17 7.5 Temperature alarm output 7.5.1 Temperature alarm output: Compare the measurements with the setting value of the temperature alarm output an

Strany 10 - Parameter

18 7.6 Heater wire break alarm output The output will be turned on if a heater wire break (no output even if the output is turned on) remains for a

Strany 11 - Event output parameters

19 7.9.3 Communications procedure This product returns a "response message" in response to a "request message" from a high-leve

Strany 12 - Unit common parameters

2 Contents 1. Operating precautions ... 3 2

Strany 13 - Monitor window parameters

20 7.9.5 Composition of a request message (transmitted from a high-level computer to this product) n For codes ① to ⑧, see "7.9.9 Code desc

Strany 14 - Control parameters

21 7.9.6 Composition of a response message (transmitted from this product to a high-level computer) n For codes ① to ⑪, see "7.9.9 Code des

Strany 15

22 7.9.7 Composition of a memory bank function message n For codes ① to ⑫, see "7.9.9 Code description." n For specific examples of r

Strany 16 - 7. Function description

23 7.9.8 Setting and reading data collectively 1) Composition of a read request message a) All channels S T X □ A R □ □ □ E T X B C C ① ② ③ ④ ―⑤―

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24 7.9.9 Code description n Codes from ① STX to ⑫ memory bank function are expressed in ASCII codes. n For the ASCII codes, see "7.9.13.

Strany 18 - 7.8 Error alarm output

25 ⑧ BCC This is a check code for error detection and is the exclusive OR (EX-OR) of all characters from STX to ETX. ⑨ ACK It is an acknowl

Strany 19 - 7.9.4 Message types

26 7.9.10 Communications precautions 1) Communications timing Set a sufficient response delay to make sure that this product is switched over

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27 8) Storing data other than a store request message Store all parameters in the EEPROM in either of the three cases described below, even if no

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28 7.9.12 Examples of communications to be written Example: Request message: Requests that the temperature alarm output setting of EIF in channel 1

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29 7.9.13 Table of ASCII codes ASCII code 02H 03H 06H 15H Code used STX ETX ACK NAK ASCII code 30H 31H 32H 33H

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3 1. Operating precautions When the product reaches you, please ensure that the product you have received is of the following model which you order

Strany 24 - 7.9.9 Code description

30 4) Character : Start bit length... Fixed at 1 bit : Stop bit length ... Fixed at 2 bit : Data length...

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31 7.9.15 Communication wiring 1) Connecting the RS-485 line T/R(A)T/R(B)T/R(A)T/R(B)T/R(A)T/R(B)T/R(A)T/R(B)上位コンピュータ(親局) 本器(子局)本器(子局)本器(子局) I

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32 8. Specifications and ratings 8.1 General specifications Power voltage 24V DC + 10% - 15% Power consumption 8W or less Insulation resistanc

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33 9. Maintenance and inspection Symptom Check item Inaccurate measurement Is the sensor normal? (Connect a different sensor to the line. Does

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34 TOHO ELECTRONICS INC. Head office: 1-13-21, Tanashioda, Sagamihara Kanagawa 229-1125 Japan. Phone: +81

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4 2. Names and functions of the components 2.1 Product diagram Event output Control output CT input Voltage input Communi- cation Power Tempe

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5 2.2.9 TB4: Voltage input terminal Voltage input terminal (input voltage range: 12 to 24V DC ±10%) Through-type terminal block: ML-40-S1BYF-2P

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6 3.3 Outside dimensions 4. Making the connections 4.1 Terminal arrangement diagram 4.1.1 Thermocouple input Board height • Thermocouple

Strany 33

7 4.1.2 Resistance bulb input 4.2 Terminal arrangement 4.2.1 Temperature input (TB1: terminal block): For thermocouple input * For terminal

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8 4.2.5 Voltage input (TB4: terminal block) Terminal No. Polarity 1 + 2 − 4.2.6 Control output (CN1: connector) Connector No. CH Terminal name 1

Strany 35

9 4.3 Cautions on making the connections Warning • Before making the connections, turn off this product. Otherwise you may get an electrical sho

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