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UM-TS02∗∗∗-E026
PROGRAMMABLE CONTROLLER
PROSEC T2-series
ANALOG I/O MODULES
AD268 / DA264 / TC218
USER’S MANUAL
TOSHIBA CORPORATION
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
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Important Information Misuse of this equipment can result in property damage or human injury. Because controlled system applications vary widely, you should satisfy yourself as to the acceptability of this equipment for your intended purpose. In no event will Toshiba Corporation be responsible or liable for either indirect or consequential damage or injury that may result from the use of this equipment. No patent liability is assumed by Toshiba Corporation with respect to use of information, ill
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Safety Precautions The AD268, DA264, and TC218 are the analog input/output modules for Toshiba’s Programmable Controller PROSEC T2-series (T2/T2E/T2N). Read this manual thoroughly before using this module. Also, keep this manual and related manuals so that you can read them anytime while this module is in operation. Safety Symbols The following safety symbols are used on the product and/or in the related manuals. Pay attention to the information preceded by the following symbols for safety. Indi
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About This Manual About This Manual This manual describes the specification and the operations of Toshiba's analog I/O modules (AD268, DA264 and TC218) for PROSEC T2 series programmable controllers. Read this manual carefully for your correct operation of these modules. This manual consists in three parts. Part 1 ... 8 channel analog input module AD268 Part 2 ... 4 channel analog output module DA264 Part 3 ... 8 channel thermocouple input module TC218 Related Manual The following related manuals
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Table of Contents Table of Contents Safety Precautions ............................................................................................................ 1 About This Manual ............................................................................................................ 2 Part 1 8 Channel Analog Input Module AD268 1. Introduction …………….……………………………………………………………….… 8 1.1 AD268 functions ............………………..…………………….………………………… 8 1.2 External features …......……………………………………
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Table of Contents Part 2 4 Channel Analog Output Module DA264 1. Introduction …………….……………………………………………………………….… 36 1.1 DA264 functions............………………..…………………….………………………… 36 1.2 External features …......…………………………………………………………………. 37 2. Specifications ….………………………………………………………………………... 38 2.1 Specifications .................…………….……………………………………………….. 38 2.2 Internal block diagram ………….......………………………………………………… 39 3. Output Type Setting….........……………………………………………………………... 40 3.1 Paramete
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Table of Contents Part 3 8 Channel Thermocouple Input Module TC218 1. Introduction …………….……………………………………………………………….… 60 1.1 TC218 functions ............………………..…………………….………………………… 60 1.2 External features …......…………………………………………………………………. 61 2. Specifications ….………………………………………………………………………... 62 2.1 Specifications .................…………….……………………………………………….. 62 2.2 Internal block diagram ………….......………………………………………………… 63 3. Input Type Setting ….........……………………………………………………………... 64 3.1 Ju
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6 Analog I/O Modules (AD268 / DA264 / TC218) CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
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Part 1 8 Channel Analog Input Module AD268 1. Introduction, 8 2. Specifications, 10 3. Input Type Setting, 12 4. Wiring, 14 5. I/O Allocation and Programming, 17 6. Parameters, 24 7. Troubleshooting, 32 User’s Manual 7 CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
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1. Introduction PART 1 AD268 1. Introduction The AD268 is an 8 channel analog input module for the T2 series programmable controllers. The AD268 converts external analog signals (voltage or current) into digital values cyclically so that the T2 can process the analog signals. 1.1 AD268 Functions The AD268 has the following functions. 1) 8 channels input per module 2) Selectable input type • ±5V • ±10V • 0 to 5V • 0 to 10V • 1 to 5V • 0 to 20mA • 4 to 20mA 3) 16-bit high-resolution A/D convers
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PART 1 AD268 1. Introduction 1.2 External features Model type AD268 Status indication LED Removable terminal block Analog input terminal External power supply connection terminal Line ground and Frame ground terminal Terminal block fixing screw 2-points User’s Manual 9 CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
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2. Specifications PART 1 AD268 2. Specifications This section describes the AD268 specifications. The general specification for the AD268 conforms to the specification for the T2 PLC. 2.1 Specifications Item AD268 Input type Voltage input Current input -5 to 5V Bipolar -10 to 10V Input range 0 to 5V 0 to 20mA Unipolar 0 to 10V 1 to 5V 4 to 20mA Input impedance 1MΩ or more 250Ω Number of input channels 8 channels I/O allocation type X 8W (8 input registers XW are assigned) Resolution 16-bit ±
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PART 1 AD268 2. Specifications 2.2 Internal block diagram Jumper 1 Buffer LED 2 P CH1 3 N T2 CPU Jumper 1 Buffer 2 P CH8 EEPROM 3 N +5V Regulator P24 +15V COM AG -15V LG Voltage FG check circuit The AD268 performs the following operations. The external analog signals come to the buffer amplifier through the filter. The multiplexer sequentially selects CH1 to CH8 to convert the input analog signals into digital data via the A/D converter. The converted digital data reaches to the internal cont
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3. Input Type Setting PART 1 AD268 3. Input Type Setting The AD268 supports multiple input ranges, ±5V, ±10V, 0 to 5V, 0 to 10V, 1 to 5V, 0 to 20mA, or 4 to 20mA. The input range is selected by jumper plug setting and the parameter writing by the T2 program. The general flow for setting the input type is as follows. (1) Set the jumper plugs to select voltage input or current input. (2) Mount the AD268 onto the T2 rack. (3) Turn on power to the T2 system. (4) Execute I/O allocation. (5) Progra
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PART 1 AD268 3. Input Type Setting 3.2 Parameter setting by software The input range of the AD268 is specified by writing the following parameter data into the AD268's buffer memory. To access the buffer memory, T2 user program (READ and WRITE instructions) is required. When the parameter is set to the AD268, it is saved in the AD268's built-in EEPROM. Therefore, once the input type parameter is set, there is no need to execute the input type setting operation. T2 CPU AD268 Buffer memory WRIT
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4. Wiring PART 1 AD268 4. Wiring 4.1 Terminal arrangement AD268 terminal block 11P 1N 2 32P 2N 4 53P 3N 6 74P 4N 8 95P 5N 10 11 6P 6N 12 13 7P 7N 14 15 8P 8N 16 17 P24 COM 18 19 LG FG 20 Terminal Signal Function No. name 11P Channel 1 input 21N 32P Channel 2 input 42N 53P Channel 3 input 63N 74P Channel 4 input 84N 95P Channel 5 input 10 5N 11 6P Channel 6 input 12 6N 13 7P Channel 7 input 14 7N 15 8P Channel 8 input 16 8N 17 P24 External 24Vdc power (+) 18 COM External 24Vdc power (-) 19 LG
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PART 1 AD268 4. Wiring 4.2 Signal wiring Voltage input AD268 Voltage source Set the jumper +15V plug to Side 1 Shielded twisted-pair cable 1 2 nP + 3 V - nN 250 AG -15V AG n : Channel number (1 to 8) Internal circuit AG : Analog ground FG : Frame ground Current input AD268 Current source Set the jumper +15V plug to Side 3 Shielded twisted-pair cable 1 2 nP + 3 ↑ ↑ ↑ ↑ - nN 250 AG -15V AG n : Channel number (1 to 8) Internal circuit AG : Analog ground FG : Frame ground External 24Vdc pow
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4. Wiring PART 1 AD268 4.3 Wiring precautions (1) Use shielded twisted-pair cables for analog input signal lines and wire them in shortest distance. Connect the cable shield to ground in shortest distance for EMC conformity. Normally the grounding method (a) is recommended. However, depending on the condition, method (b) or (c) may be useful for stable operation. Analog input module (a) FG Analog input module (b) FG Analog input module (c) FG (2) Separate the analog signal cable from other cab
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PART 1 AD268 5. I/O Allocation and Programming 5. I/O Allocation and Programming 5.1 Allocation to the T2 registers The I/O type of the AD268 is "X 8W". When the automatic I/O allocation operation is performed with a AD268 mounted on the rack, the AD268 is allocated as "X 8W". The AD268 occupies the 8 consecutive input (XW) registers of the T2. In this manual, these assigned I/O registers are expressed as XW(n), XW(n+1), ... XW(n+7). The following figure shows an example of I/O allocation wi
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5. I/O Allocation and Programming PART 1 AD268 5.2 A/D conversion data The analog signals received by the AD268 are converted into the digital data in this module. These converted digital data are read by T2 CPU in the batch I/O processing and stored in the assigned input registers as follows. XW(n) ........ A/D conversion data for channel 1 XW(n+1) .... A/D conversion data for channel 2 XW(n+2) .... A/D conversion data for channel 3 XW(n+3) .... A/D conversion data for channel 4 XW(n+4) ....
