Toshiba AD268 User manual

UM-TS02∗∗∗-E026
PROGRAMMABLE CONTROLLER
PROSEC T2-series
ANALOG I/O MODULES
AD268 / DA264 / TC218
USER’S MANUAL
TOSHIBA CORPORATION
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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, illustrations, circuits, equipment or examples of application in this
publication.
Toshiba Corporation reserves the right to make changes and improvements to this
publication and/or related products at any time without notice. No obligation shall be
incurred other than as noted in this publication.
This publication is copyrighted and contains proprietary material. No part of this book
may be reproduced, stored in a retrieval system, or transmitted, in any form or by any
means electrical, mechanical, photocopying, recording, or otherwise without
obtaining prior written permission from Toshiba Corporation.
© TOSHIBA Corporation 2001, All rights reserved
Publication number: UM-TS02∗∗∗-E026
1st edition December 2001, 2nd edition September 2002
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User’s Manual 1
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.
!WARNING
!CAUTION
Safety Precautions
!CAUTION
•Turn off power to the PLC (T2, T2E or T2N) and to this module (AD268, DA264 or TC218)
before removing or mounting this module. Failure to do so can cause electrical shock or
damage to this product.
•Read the Safety Precautions described in the T2, T2E or T2N User’s Manual before using
this module.
•Follow the instructions described in this manual and in the T2, T2E or T2N User’s Manual
when installing and wiring this module.
•This module has been designed for the T2/T2E/T2N. Use your AD268/DA264/TC218 only
on the T2-series PLC rack.
•These modules consume the internal 5 Vdc power as shown below.
AD268 ... 300 mA
DA264 ... 230 mA
TC218 ... 300 mA
Confirm that the total 5 Vdc consumed current per one power supply module is within the
limit (2.5 A). If it exceeds the limit, the T2/T2E/T2N cannot operate properly and this may
cause unsafe situation.
Indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury. It may also be used to alert against
unsafe practices.
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2Analog I/O Modules (AD268 / DA264 / TC218)
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 are available for your reference.
T2E User's Manual (UM-TS02E∗∗
∗∗∗∗
∗∗-E001)
This manual describes the configuration, specification, installation, wiring, and maintenance of
the basic hardware of the programmable controller T2E.
The functions of the T2E and how to use them, and the information necessary for creating user
program are also described.
T2N User's Manual (UM-TS02N∗∗
∗∗∗∗
∗∗-E001)
This manual describes the configuration, specification, installation, wiring, and maintenance of
the basic hardware of the programmable controller T2N.
The functions of the T2N and how to use them, and the information necessary for creating user
program are also described.
T-series Instruction Set (UM-TS03∗∗∗
∗∗∗∗∗∗
∗∗∗-E004)
This manual describes the detailed specifications of instructions for Toshiba's T-series
programmable controllers.
Note: In this manual, the T2 series programmable controllers (T2, T2E, and T2N) are called as
T2 for ease of explanation.
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User’s Manual 3
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 …......…………………………………………………………………. 9
2. Specifications ….………………………………………………………………………... 10
2.1 Specifications .................…………….……………………………………………….. 10
2.2 Internal block diagram ………….......………………………………………………… 11
3. Input Type Setting ….........……………………………………………………………... 12
3.1 Jumper plug setting ........…………….……………………………………………….. 12
3.2 Parameter setting by software ….....………...……………………………………… 13
4. Wiring ………………..…………………………………………………………………… 14
4.1 Terminal arrangement …….......…………..…………………………………………. 14
4.2 Signal wiring …..………………………………………………………………………. 15
4.3 Wiring precautions ………...…………………………………………………………. 16
5. I/O Allocation and Programming …………………………………………………… 17
5.1 Allocation to the T2 registers ……………..…………………………………………. 17
5.2 A/D conversion data …….......................……………………………………………. 18
5.3 Programming ……................................……………………………………………. 23
6. Parameters ……..................…......…………………………………………………… 24
6.1 Memory map …...........………………………………………………………………… 24
6.2 Parameter setting procedure ….........……..………………………………………… 30
6.3 Sample program for setting the parameters …..………………………………..… 31
7. Troubleshooting ….…....……………………………………………………………… 32
7.1 RAS information ……...............…........……………………………………………… 32
7.2 Troubleshooting ................................................................................................. 33
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4Analog I/O Modules (AD268 / DA264 / TC218)
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 Parameter setting by software ….....………...……………………………………… 40
4. Wiring ………………..…………………………………………………………………… 41
4.1 Terminal arrangement …….......…………..…………………………………………. 41
4.2 Signal wiring …..………………………………………………………………………. 42
4.3 Wiring precautions ………...…………………………………………………………. 43
5. I/O Allocation and Programming …………………………………………………… 44
5.1 Allocation to the T2 registers ……………..…………………………………………. 44
5.2 D/A conversion data …….......................……………………………………………. 45
5.3 Programming ……................................……………………………………………. 50
6. Parameters …..................….…......…………………………………………………… 51
6.1 Memory map …...........………………………………………………………………… 51
6.2 Sample program to access the parameters …..……..…………………………..… 55
7. Troubleshooting ….…....……………………………………………………………… 56
7.1 RAS information ……...............…........……………………………………………… 56
7.2 Troubleshooting ................................................................................................. 56
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User’s Manual 5
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 Jumper plug setting ........…………….……………………………………………….. 64
3.2 Parameter setting by software ….....………...……………………………………… 65
4. Wiring ………………..…………………………………………………………………… 66
4.1 Terminal arrangement …….......…………..…………………………………………. 66
4.2 Signal wiring …..………………………………………………………………………. 67
4.3 Wiring precautions ………...…………………………………………………………. 68
5. I/O Allocation and Programming …………………………………………………… 69
5.1 Allocation to the T2 registers ……………..…………………………………………. 69
5.2 A/D conversion data …….......................……………………………………………. 70
5.3 Programming ……................................……………………………………………. 74
6. Parameters …..................….…......…………………………………………………… 75
6.1 Memory map …...........………………………………………………………………… 75
6.2 Parameter setting procedure ….........……..………………………………………… 81
6.3 Sample program for setting the parameters …..………………………………..… 82
7. Troubleshooting ….…....……………………………………………………………… 83
7.1 RAS information ……...............…........……………………………………………… 83
7.2 Troubleshooting ................................................................................................. 84
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6Analog I/O Modules (AD268 / DA264 / TC218)
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User’s Manual 7
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
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8Analog I/O Modules (AD268 / DA264 / TC218)
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 conversion
4) High-speed (1ms/channel) conversion cycle
5) Gain and offset calibration function
6) Input data averaging function
7) Unused channel skip function
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User’s Manual 9
PART 1 AD268 1. Introduction
1.2 External features
Model type AD268
Status indication LED
Analog input terminal
External power supply connection terminal
Line ground and Frame ground terminal
Terminal block fixing screw
2-points
Removable terminal block
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10 Analog I/O Modules (AD268 / DA264 / TC218)
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
0 to 5V 0 to 20mA
0 to 10V
Input range Unipolar 1 to 5V 4 to 20mA
Input impedance 1MΩor more 250Ω
Number of input channels 8 channels
I/O allocation type X 8W (8 input registers XW are assigned)
Resolution 16-bit
Overall accuracy ±0.2% FS (at 25°C)
±0.5% FS (0 to 55°C) (FS: ±10V)
Temperature drift ±100ppm/°C or less
Conversion cycle Approx. 1ms/channel (Approx. 8ms/8 channels)
Insulation resistance 10MΩor more
Withstand voltage 1500Vac - 1 minute (between logic and analog circuits)
500Vac - 1 minute (between analog circuit and external 24V)
1500Vac - 1 minute (between analog circuit and FG/LG)
Status indication 1 green LED (On when normal)
Special function
Gain and offset calibration function
Input data averaging function
Unused channel skip function
External 24Vdc power voltage drop detection
External power supply 24Vdc ±10% - 120mA
Internal 5Vdc current
consumption 300mA or less
External connection 20-pin removable terminal block
Weight Approx. 300g
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User’s Manual 11
PART 1 AD268 2. Specifications
2.2 Internal block diagram
The AD268 performs the following operations.
The external analog signals come to the buffer amplifier through the filter. Themultiplexer
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 control circuit through optical
isolator. Every time when the T2 CPU requests to read the converted data, the internal control
circuit sends the data to the T2 CPU. The AD268's parameters are stored in the EEPROM.
Filter
Buffer
Multiplexer
1
3
2
Jumper
Filter
Buffer
1
3
2
Jumper
A/D conversion
Optical isolation
CH1 P
N
Internal control circuit
CH8 P
N
Filter
DC/DC
converter
Voltage
check
circuit
Regulator +5V
+15V
-15V
AG
P24
COM
LG
FG
EEPROM
LED
T2 CPU
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12 Analog I/O Modules (AD268 / DA264 / TC218)
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) Program the "input type setting program". (see the next page)
(6) Turn the T2 to RUN mode.
3.1 Jumper plug setting
8 jumper plugs are provided on the AD268 board.
The jumper plug setting is for selecting either voltage input or current input.
JP1 is for channel 1, JP2 is for channel 2, ... JP8 is for channel 8.
Jumper plugs (JP1 to JP8)
1
3
Set the jumper plugs for each channel.
Side 1: Voltage input
Side 3: Current input
The factory setting is voltage input (side 1).
•Use a pair of tweezers to set the jumper plug.
•Pay attention not to touch the components on
the board other than the jumper plug.
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User’s Manual 13
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
Input type parameter data:
Input typeParameter
data Voltage input Current input
0 0 to 5V 0 to 20mA
1 0 to 10V
2 1 to 5V 4 to 20mA
4±5V
5±10V
AD268 buffer memory address:
H8018 Input type for channel 1
H8019 Input type for channel 2
H801A Input type for channel 3
H801B Input type for channel 4
H801C Input type for channel 5
H801D Input type for channel 6
H801E Input type for channel 7
H801F Input type for channel 8
The factory setting is ±10V range.
For details of the procedure to set the input type parameter, refer to section 6.
Buffer memory
User program WRITE
READ
EEPROM
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14 Analog I/O Modules (AD268 / DA264 / TC218)
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
No. Signal name Function
11P
21N
Channel 1 input
32P
42N
Channel 2 input
53P
63N
Channel 3 input
74P
84N
Channel 4 input
95P
10 5N Channel 5 input
11 6P
12 6N Channel 6 input
13 7P
14 7N Channel 7 input
15 8P
16 8N Channel 8 input
17 P24 External 24Vdc power (+)
18 COM External 24Vdc power (-)
19 LG Line filter ground
20 FG Frame ground
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User’s Manual 15
PART 1 AD268 4. Wiring
4.2 Signal wiring
Voltage input
Current input
External 24Vdc power supply
+15V
AG -15V
nP
nN
Internal circuit
Shielded twisted-pair cable
n : Channel number (1 to 8)
AG : Analog ground
FG : Frame ground
AG
250 
+
-V
Set the jumper
plug to Side 1
1
2
3
Voltage source
AD268
+15V
AG -15V
nP
nN
Internal circuit
Shielded twisted-pair cable
n : Channel number (1 to 8)
AG : Analog ground
FG : Frame ground
AG
250 
+
-↑
↑↑
↑
Set the jumper
plug to Side 3
1
2
3
Current source
AD268
P24
COM
Internal circuit
Normally connect LG and FG,
then connect to ground. (a)
However, depending on the
condition, connect grounding
individually by opening LG and
FG. (b)
AD268
LG
FG
+
-
24Vdc ±10%
(b) (a)
DC/DC
converter
+15V
-15V AG
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16 Analog I/O Modules (AD268 / DA264 / TC218)
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.
(2) Separate the analog signal cable from other cables to prevent noise interference. (200mm
or more)
(3) This module requires 24Vdc power. Apply the 24Vdc power before (or at the same time)
applying T2’s main power. Otherwise, this module detects the external 24Vdc error.
(4) If the external 24Vdc power for this module is not stable, the converted data will not be
stable. In this case, use a dedicated 24Vdc power supply for this module.
(5) It is recommended to short the unused channels. Because if it is open for voltage input,
meaningless A/D conversion data will appear.
(6) If the converted data is not stable owing to electrical noise, it is recommended to use the
input averaging function to reduce the noise interference. For the averaging function, refer
to section 6.
Analog input
module
FG
(a)
Analog input
module
FG
(b)
Analog input
module
FG
(c)
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User’s Manual 17
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 window of the T-PDS programming
software. In this case, the AD268 is mounted in the slot 0 of base unit BU218.
In the above example, the AD268 is allocated on the unit-0, slot-0. And 8 I/O registers, XW000
to XW007 are assigned to the AD268.
PS261
PU234E
No slot
DI32
Vacant
DO32
AD268
Vacant Vacant Vacant Vacant
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18 Analog I/O Modules (AD268 / DA264 / TC218)
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) .... A/D conversion data for channel 5
XW(n+5) .... A/D conversion data for channel 6
XW(n+6) .... A/D conversion data for channel 7
XW(n+7) .... A/D conversion data for channel 8
The conversion data stored in the XW register is dependent on the input type as follows.
±
±±
±10V range:
A/D conversion data
Input voltage Hexadecimal Integer Resolution
Upper limit +10.2V H7F80 32640
:: :
Full scale (positive) +10V H7D00 32000
:: :
+0.3125mV H0001 1
0 0V H0000 0
-0.3125mV HFFFF -1
:: :
Full scale (negative) -10V H8300 -32000
:: :
Lower limit -10.2V H8080 -32640
0.3125 mV / bit
+10.2V
HC000
-16384
0
H3FFF
16383
+10V H7D00
32000
+5.1196V-5.12V-10.2V
-10V
H8300
-32000
Digital value
Analog input
D = 3200 ×A
D: Digital data
A: Analog signal (V)
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