TSX3721001 Schneider Electric Modicon TSX Micro PLC Controller RTC

TSX3721001 Schneider Electric Controller – Modicon TSX Micro PLC

Product Overview

TSX3721001 is a modular base controller from the Modicon TSX Micro automation platform. It comes with a real-time clock and strong memory options. This module handles complex tasks and multiple communication protocols. Therefore, it fits flexible system designs.

Why Choose This Controller

Built for industrial automation, the TSX3721001 offers reliable control for machines and processes. It supports fast task execution, event tasks, and master task control. In addition, the controller works with 100–240 V AC and includes overload and short-circuit protection.

Key Advantages

As a result, this controller suits small to medium projects. It also keeps wiring simple thanks to built-in serial links. Moreover, the 3-slot design allows easy expansion when needs grow.

Technical Data

• Brand: Schneider Electric
• Model: TSX3721001
• Series: Modicon TSX Micro PLCs
• Product Type: Modular base controller
• Real-Time Clock: Yes
• EAN: 3389110580518
• Weight: 1.00 lbs (0.45 kg) net / 3.79 lb (1.72 kg) gross

Core Performance

Memory Architecture

• Internal RAM: 20 Kwords data
• Internal RAM with PCMCIA card: 128 Kwords program and data
• Internal RAM: 128 Kwords data storage
• Flash: 15 Kwords data

Object Areas

• 256 %Mi
• 1 %MWi internal words
• 128 %KWi constant words

Execution Speed

• 0.13 µs Boolean without PCMCIA card
• 4.5 µs arithmetic REAL floating without PCMCIA card
• 0.19 µs Boolean with PCMCIA card
• 4.5 µs arithmetic REAL floating with PCMCIA card

Execution Time for 1 K Instructions

• 5.88 ms for 100% Boolean without PCMCIA card
• 0.27 ms for 65% Boolean and 35% numerical without PCMCIA card
• 4 ms for 100% Boolean with PCMCIA card
• 0.266 ms for 65% Boolean and 35% numerical with PCMCIA card

Application Structure

• 1 fast task
• 1 master task
• 16 event tasks

System Overhead

• 1.6 ms for master task

Electrical & Environmental Ratings

Power and Protection

• Primary Voltage: 100–240 V AC (90–264 V AC)
• Input Current: 2 mA, < 60 A
• Output Current: 0.5 A
• Total Useful Secondary Power: 16 W
• Immunity to Microbreaks: < 20 ms
• Protection Type: Overload protection, short-circuit protection

Operating Conditions

• Operating Temperature: 32…140 °F (0…60 °C)
• Storage Temperature: -13…158 °F (-25…70 °C)
• Relative Humidity: 10…95 % without condensation for operation; 5…95 % without condensation for storage
• Operating Altitude: 0…2000 m
• Dimensions (W x H x D): 13.4 in x 5.9 in x 6.0 in (341.4 mm x 151 mm x 152 mm)
• IP Rating: IP30

Electromagnetic Compatibility (EMC)

• Electrostatic discharge per IEC 1000-4-2 level 3
• Electromagnetic field immunity per IEC 1000-4-3 level 3
• Resistance to fast transient per IEC 1000-4-4 level 3
• Immunity to impulse waves per IEC 1000-4-5
• Damped oscillatory wave per IEC 1000-4-12
• Immunity to electromagnetic interference per IEC 61131-2

Integrated Connections

• 1 serial link (TER/AUX) Uni-Telway 19.2 kbit/s
• 1 Modbus RTU 19.2 kbit/s
• Number of slots: 3

Installation Guide

• Mount the controller on a standard DIN rail or panel.
• Use the 3 slots for compatible TSX Micro I/O modules.
• Connect primary voltage between 100 and 240 V AC.
• Wire the serial link and Modbus ports for communication.
• Verify grounding and short-circuit protection before power-up.
• Allow enough clearance for air flow and cable routing.
• Check ambient temperature stays between 0 and 60 °C.

Commissioning & Maintenance

• Use the real-time clock for time-stamped tasks.
• Load programs via PCMCIA card or serial link.
• Monitor event tasks and master task overhead.
• Clean the module with a dry cloth only.
• Inspect connections for wear or loose terminals.
• Replace the PCMCIA card only when power is off.
• Check microbreak immunity remains below 20 ms.

Compatibility Notes

• Works with Modicon TSX Micro automation platform.
• Supports Uni-Telway and Modbus RTU protocols.
• Accepts PCMCIA cards for expanded memory.
• Fits 3-slot modular base configurations.
• Designed for industrial control panels and machines.

Certifications & Standards

• IEC 1000-4-2 level 3
• IEC 1000-4-3 level 3
• IEC 1000-4-4 level 3
• IEC 1000-4-5
• IEC 1000-4-12
• IEC 61131-2

Packing List

• 1 x TSX3721001 controller module
• 1 x Quick start guide
• 1 x Safety and compliance sheet
• 1 x Original packaging

Warranty & Shipping

• Warranty: 12 months
• Dispatch: 12–24 hours
• Couriers: FedEx, UPS, DHL
• Inquiries: sales@powergearx.com or +86 18030005825 (WhatsApp)

Expert Review

Field Performance

The TSX3721001 is a solid choice for small to medium automation projects. Its real-time clock helps with time-based control. The 3-slot design keeps expansion simple. Memory options cover many program sizes. Execution speed is fast enough for most logic tasks. The built-in Uni-Telway and Modbus ports reduce extra hardware. This controller works well in harsh electrical environments. It meets key EMC standards. Maintenance is straightforward with clear status indicators. For teams already using Modicon TSX Micro, this module is a natural fit.

Manager’s Insight

Cost and Flexibility

This controller balances cost and performance. It suits OEMs and system integrators who need reliable control without a large footprint. The PCMCIA memory expansion adds flexibility for growing applications. The 16 event tasks help handle fast machine signals. Overload and short-circuit protection lower downtime risk. The wide voltage range supports global power systems. If you need a proven Modicon controller with a real-time clock, the TSX3721001 is a smart pick.

Best Fit Equipment & Applications

• Small assembly machines
• Packaging lines
• Material handling systems
• Pumping and dosing stations
• Textile machinery
• Building automation panels
• Process control skids
• Retrofit projects using Modicon TSX Micro

FAQ

Product Basics

Q: What makes the TSX3721001 different from other TSX Micro controllers?

A: It includes a real-time clock and supports 16 event tasks. These features help with time-stamped and fast-response applications.

Q: Can I expand memory without replacing the controller?

A: Yes. You can use a PCMCIA card to reach 128 Kwords for program and data.

Q: How fast does this module execute Boolean logic?

A: It runs 0.13 µs per Boolean instruction without a PCMCIA card. With a card, it runs 0.19 µs.

Q: What communication ports are built in?

A: It has one Uni-Telway serial link and one Modbus RTU port. Both run at 19.2 kbit/s.

Environment and Protection

Q: What is the operating temperature range?

A: The controller works from 0 to 60 °C. Storage range is -25 to 70 °C.

Q: Does it protect against short circuits?

A: Yes. It offers overload protection and short-circuit protection.

Q: How many slots does the base have?

A: It has 3 slots for compatible I/O modules.

Q: What is the system overhead for the master task?

A: The master task overhead is 1.6 ms.

Q: What is the immunity to microbreaks?

A: It withstands microbreaks of less than 20 ms.

Q: What is the input current?

A: The input current is 2 mA, with a maximum inrush below 60 A.

Q: What is the output current?

A: The output current is 0.5 A.

Q: What is the total useful secondary power?

A: It provides 16 W of secondary power.

Q: What EMC standards does it meet?

A: It meets IEC 1000-4-2, -4-3, -4-4, -4-5, -4-12, and IEC 61131-2.

Installation and Care

Q: How should I install this controller?

A: Mount it on a DIN rail or panel. Connect 100–240 V AC. Wire the serial and Modbus ports. Keep proper airflow.

Q: How do I maintain the module?

A: Clean with a dry cloth. Check terminals for tightness. Replace PCMCIA cards only when power is off.

Q: What is included in the box?

A: You get the controller, a quick start guide, a safety sheet, and original packaging.

Ordering and Support

Q: What is the warranty period?

A: The warranty is 12 months.

Q: How fast do you ship?

A: We dispatch within 12–24 hours.

Q: Which couriers do you use?

A: We ship via FedEx, UPS, and DHL.

Q: Can I use this controller for retrofits?

A: Yes. It works well in Modicon TSX Micro retrofit projects.

Q: Is the real-time clock battery backed?

A: The controller includes a real-time clock. Refer to the manual for battery details.

Q: What is the IP rating?

A: The IP rating is IP30.

Q: How many event tasks does it support?

A: It supports up to 16 event tasks.

Q: What is the execution time for 1 K instructions?

A: It runs 5.88 ms for 100% Boolean without a PCMCIA card. With a card, it runs 4 ms.

Q: Does it support floating-point arithmetic?

A: Yes. It executes REAL floating arithmetic in 4.5 µs per instruction.

Q: What is the object area size?

A: It supports 256 %Mi, 1 %MWi internal words, and 128 %KWi constant words.

Q: Can I use this controller in high humidity?

A: Yes. It operates in 10–95 % relative humidity without condensation.

Q: What is the operating altitude limit?

A: The limit is 2000 m.

Q: How do I contact sales for this product?

A: Email sales@powergearx.com or message +86 18030005825 on WhatsApp.

Buying Guide

Selection Checklist

• Check your application needs a real-time clock.
• Confirm you need 3 slots or fewer for I/O.
• Decide if PCMCIA memory expansion is required.
• Verify your network uses Uni-Telway or Modbus RTU.
• Match the 100–240 V AC supply to your panel.
• Review EMC needs for your site.
• Plan for 0–60 °C operating temperature.
• Order spare PCMCIA cards if memory growth is likely.
• Contact us for bulk or urgent orders.

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