TOSHIBA V200 series programmable logic controller



TOSHIBA V200 series programmable logic controller

Document Overview and Product Positioning

1.1 Core positioning of the document

Document number: UM-V200-E001, initial version released in January 2012, is a technical guide for the entire lifecycle of V200 series PLCs, covering the entire process from unboxing installation to fault maintenance.

Target audience: Qualified Person operators are required, who possess electrical equipment installation/maintenance skills and have received safety training (in compliance with NFPA 70E standards).

1.2 Core Product Parameters

The V200 series is divided into basic models and extended models. The core parameters of the basic models are compared as follows:

Basic model, local I/O configuration, expansion capability, communication interface, high-speed counting capability, size (mm), weight (gm)

GPU288 * 3S 8-in (digital)/8-out (6 relays+2 transistors) supports 8 expansion modules COM1 (RS232/RS485), COM2 (RS485), USB 2-channel single-phase (50kHz), 1-channel orthogonal (5kHz) 100 × 35 × 70 200

GPU232 * 3S 16 in (digital)/16 out (digital) without expandability COM1 (RS232), COM2 (RS485), USB 2-channel single-phase (50kHz) 155 × 102 180

GPU200 * 3S without local I/O support 8 expansion modules COM1 (RS232/RS485), Ethernet, USB 2-channel single-phase (100kHz) 100 × 35 × 70 200

The expansion models include digital expansion (such as GDI216S: 16 digital inputs) and analog expansion (such as GAD208S: 8 analog inputs), supporting flexible configuration of I/O points.

Safety operation standards (top priority)

2.1 Definition of Warning Signs

The document specifies the risk level through "identification+text", and all identification is printed on the equipment body and key positions in the manual:

Core meaning of warning signs Typical scenarios

DANGER operational errors can result in death or serious injury (such as high-voltage electric shock, fire). Opening terminal covers and contacting high-voltage components when powered on

Incorrect operation of Warning may result in serious injury or equipment damage (such as device falling or burning). Handheld terminal cover handling or touching the heat sink

CAUTION operation errors can result in minor injuries or equipment malfunctions (such as loose terminals, electrostatic damage), ungrounded operations, and wiring errors

2.2 Core Security Rules

Prohibited operation list:

Do not open the power terminal cover (which contains 24VDC high-voltage components) when powered on.

Do not insert foreign objects such as wires, tools, dust, etc. into the ventilation openings or terminal slots of the equipment (to prevent short circuits).

It is prohibited to disassemble or modify hardware without authorization (such as replacing non original capacitors), as this will result in warranty failure and safety risks.

It is prohibited to use unverified models in explosion-proof environments (such as flammable gas areas).

Mandatory operation checklist:

Before installation/maintenance, it is necessary to read the manual thoroughly and confirm that the operator is a Qualified Person.

After power failure, wait for at least 15 minutes and use a multimeter with 800Vdc or higher to check that the voltage of the DC main circuit (PA/+and PC/-) is ≤ 45V before operation.

Reliable grounding is required: D-type grounding is used for 240V level, C-type grounding is used for 500/600V level, grounding resistance is ≤ 4 Ω, and the grounding wire specification is not less than the main circuit wire.

When enabling the Auto restart function, a warning label stating 'Possible sudden restart' should be affixed next to the device.

Hardware installation and wiring

3.1 Installation environment requirements

The allowable range of environmental indicators and the prohibited range

Environmental temperature 0 ℃~55 ℃ (operation), -20 ℃~85 ℃ (storage) exceeding 55 ℃ (triggering overheating protection), below -20 ℃ (capacitor failure)

Relative humidity 20%~90% (no condensation) Condensation environment, humidity>90% (causing short circuit)

Vibration requirement ≤ 5.9m/s ² (5-150Hz) exceeding 5.9m/s ² (additional anti vibration pads need to be installed)

Environmental cleanliness without dust, metal powder, corrosive gas, dense dust, and oil mist environment (blocking heat dissipation)

3.2 Wiring specifications

Main circuit wiring:

Power input: 24VDC ± 15%, requires separate wiring (threaded separately from the control circuit), terminal screw torque: M3 is 0.5N · m, M4 is 1.4N · m.

Digital input: 24VDC, current per point 5mA (high-speed input 20mA), input impedance 5.4k Ω (high-speed input 1.2k Ω).

Digital output: Relay type (230V/2A, 30VDC/2A), transistor type (24VDC/0.5A), output terminals need to be wired according to the "set of common terminals every 4 points".

Communication wiring:

RS485: 2-wire system, maximum transmission distance of 1200m, supports 32 nodes, requires 120 Ω terminal resistors to be connected at both ends of the bus.

USB: For programming only, using USB 2.0 Type B interface, cable length ≤ 2m.

Ethernet (GPU200 * 3S): RJ45 interface, supports 10/100Mbps adaptive, requires shielded Ethernet cable.

Software Configuration and Programming

4.1 OIL DS software installation

System requirements:

Operating systems Windows 2000 (SP4), XP (SP2), Vista

Processor ≥ 800MHz (Vista requires ≥ 1GHz)

Memory ≥ 256MB (Vista requires ≥ 1GB)

Hard disk space of 800MB (including 200MB. NET Framework)

Display resolution 1024 × 768 (16 bit high color)

Installation steps:

Run Setup. exe and select the installation path (default C: Program Files OIL DS).

Wait for the installation to complete and start the software through "Start → Program → OIL DS".

When uninstalling, execute through "Start → Program → OIL DS → Uninstall OIL DS".

4.2 Ladder diagram programming

Core process:

New project: Select V200 model (such as GPU288 * 3S), configure project name and storage path.

Define Tag Database: Assign I/O addresses (such as X0000 corresponding to digital input 1) and register types (input X/output Y/configuration MW).

Edit ladder diagram: Drag and drop "normally open contact (NO)", "coil", "function block (such as MOV-W)" to construct logic, supporting subroutines and interrupt programs.

Compile and Download: Press F9 to compile (if there are no errors, it will display "Compilation Successful"), and download it to the PLC via USB/RS485.

Program type:

Main program: It runs in a loop during normal operation and needs to end with the "END" instruction.

Subroutine: Called with the "CALL" instruction and returned with the "RET" instruction.

Interrupt program: Timer interrupt (5-1000ms), I/O interrupt (triggered by high-speed counting), must end with the "IRET" instruction.

Detailed explanation of special I/O functions

5.1 High speed counter

Function type:

Type Input Channel Maximum Frequency Counting Range Application Scenarios

Single phase counter 2-channel (X000/X001) 50kHz 0~4294967295 (32-bit) pulse counting (such as encoder)

Single phase speed counter 2-channel (X000/X001) 50kHz 0~4294967295 (32-bit) speed measurement (fixed sampling time)

Orthogonal biphasic counter 1 channel (X000=phase A, X001=phase B) 5kHz 0~4294967295 (32-bit) bidirectional counting (such as motor forward and reverse rotation)

Configuration register: Select the function mode through MW10 (high-speed input configuration register), such as "MW10=0x0010" to enable the single-phase counter.

5.2 Pulse/PWM output

Pulse output:

Channel: 1 channel (Y0=CW/PLS, Y1=CW/DIR).

Frequency range: 50~5000Hz, supports positive and negative frequencies (corresponding to positive and negative reversals).

Configuration: Set MW11 (pulse output configuration register) to "0x0001" enabled, and set the frequency for MW22/MW23.

PWM output:

Channel: 1 channel (Y0).

Parameters: frequency 50~5000Hz, duty cycle 0~100% (1% step size).

Configuration: MW11 is set to "0x0000" enabled, and MW24/MW25 is set to duty cycle.

5.3 Interrupt Input

Channel: 2 channels (X001=Interrupt 1, X002=Interrupt 2).

Trigger method: Rising edge (OFF → ON) or falling edge (ON → OFF), configured through MW10's Bit4/Bit5.

Response time: Interrupt signal ON/OFF pulse width ≥ 100 μ s, ensuring stable recognition of PLC.

Troubleshooting and Maintenance

6.1 Troubleshooting process

Power failure (PWR light not on):

Check the power wiring: whether the terminals are loose and whether the voltage is 24VDC ± 15%.

Remove the expansion module: If the PWR light is restored, troubleshoot the expansion module.

Check internal power supply: If it still doesn't light up, replace the PLC host.

CPU malfunction (RUN light not on):

Check the mode switch: whether it is in the "RUN" position, switch to "RUN" and retry.

Check the ERR light: If the ERR light is on, read the fault code through OIL DS (such as "WDT Error" indicating watchdog timeout).

Re download firmware: If the RUN/ERR lights flash simultaneously, the firmware is damaged and needs to be re downloaded.

Input/output fault (abnormal I/O status):

Check the wiring: Check if the terminal screws are loose and if the wires are damaged.

Monitoring I/O status: Check the X/Y status through the "Monitor" function of OIL DS to determine whether it is a hardware or program issue.

Replace module: If one of the I/O channels is consistently abnormal, replace the corresponding expansion module.

6.2 Maintenance Standards

Daily inspection (daily):

Appearance: The LED status is normal (PWR is constantly on, flashing when RUN is running), and there is no abnormal sound/odor.

Environment: Temperature 0~55 ℃, humidity 20%~90%, no dust accumulation.

Regular inspection (every 6 months):

Cleaning: Use compressed air (≤ 0.3MPa) to clean the dust from the cooling fins and ventilation openings.

Wiring: Tighten all terminal screws (to the specified torque) and check the insulation layer of the wire.

Insulation test: After power failure, use a 500V megohmmeter to test the insulation resistance of the main circuit to ground to be ≥ 1M Ω.

Suggestions for spare parts:

Spare parts names, suggested quantities, and notes

Minimize system downtime with one V200 CPU

1 commonly used I/O module each, such as GDI216S (digital input), GAD208S (analog input)

1 programming cable for troubleshooting and program download

Replace 2 cooling fans after 20000 hours of cumulative operation

Key issues

Question 1: How to use the basic and extended models of V200 series PLC in combination? How many extension modules can be supported at most? What wiring and configuration points should be noted when matching?

Answer:

Matching rules: In the V200 basic model, GPU2883S and GPU2003S support expansion, while GPU232 * 3S has no expansion capability; The expansion module needs to be connected through the SPI bus (1MHz) on the side of the PLC, and can support up to 8 expansion modules (mixed combination of digital/analog modules).

Wiring points:

The expansion module needs to be connected in series with the base model (the middle slot cannot be skipped), such as GPU288 * 3S (slot 0) → GDI216S (slot 1) → GAD208S (slot 2).

The expansion cable needs to be securely inserted and fixed with a "locking connector" to prevent poor contact caused by vibration.

Power supply: The 3.75VDC power supply for the expansion module is provided by the base model through the SPI bus, with a maximum current of 80mA/module and no additional power supply required.

Configuration points:

In the "IO Allocation" of OIL DS, module models are allocated in the actual slot order (e.g. slot 1 is set to GDI216 * * S). If the allocation does not match the actual module, an "I/O mismatch error" (MW01_13 set to 1) will be triggered.

The I/O address of the expansion module is encoded as "slot number+register number", for example, the numerical input address of slot 1 is X01000-X01015, corresponding to register XW0100.

Question 2: What are the types of high-speed counters for V200 PLC? How to configure a single-phase high-speed counter (50kHz) through OIL DS to achieve the function of "triggering an interrupt when the count reaches 1000"?

Answer:

High speed counter types: There are three types, namely single-phase counter (2-channel, 50kHz, 32-bit counting), single-phase speed counter (2-channel, 50kHz, fixed sampling time counting), and orthogonal biphasic counter (1-channel, 5kHz, bidirectional counting).

Configuration steps for single-phase high-speed counter (50kHz):

Hardware wiring: Connect the pulse output of the encoder to X000 (counting input), and the reset signal to X002 (optional).

Parameter configuration (OIL DS):

Enter the "Tag Database" and define count related tags: for example, "Count_Set" corresponds to MW12 (count set value, set to 1000), "Count_Value" corresponds to MW16 (actual count value), and "Interrupt-Enable" corresponds to M322 (interrupt enable, set to 1).

Configure high-speed input register MW10: set to 0x0010 (Bit4=1, enable X000 single-phase counter).

Write interrupt program:

Create "I/O Interrupt Program # 1" (corresponding to X000 counter) with the logic of "triggering the Y000 output action when Count_Value=Count_Set", and add the "IRET" instruction at the end of the program.

Download and Test: Compile the program and download it to the PLC. Start the encoder. When the count reaches 1000, the PLC triggers the interrupt program and Y000 outputs ON.

Question 3: How to locate the root cause of the problem through the troubleshooting process when the RUN light of V200 PLC is not on and the ERR light is constantly on? What are the common causes and solutions of malfunctions?

Answer:

Troubleshooting process:

Preliminary judgment: If the RUN light is not on and the ERR light is constantly on, it indicates that the PLC is in "ERROR mode" and the fault information needs to be read through OIL DS.

Connect to OIL DS: Connect to PLC via USB/RS485, enter "Event History", and view recent fault records (including timestamps and error codes).

Classification troubleshooting: Identify the cause based on the error code, and the common types are as follows:

Common causes and solutions for error types, error codes/registers

CPU failure WDT Error (MW01_11=1) Program execution timeout, CPU internal failure 1. Simplify program (reduce scan time); 2. Replace the PLC host

I/O fault: I/O mismatch (MW01_13=1). The configuration of the expansion module does not match the actual installation. 1. Reassign the I/O module in OIL DS; 2. Check the module wiring

Program fault Scan time over (MW02_1=1) Program scan time exceeds 200ms (default) 1. Optimize program (split long logic into subroutines); 2. Use the WDT command to extend the timeout period

Firmware/application failure without code, ERR light flashing firmware damage, invalid application 1. Download firmware again; 2. recompile and download the application

Reset recovery: After troubleshooting, execute "Error Reset" through OIL DS, or power off and restart the PLC. After the ERR light goes out, switch to "RUN" mode.