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Model M1240B CPU T2

Model M1240B CPU T2

Model M1240B CPU T2

Product catalog summary
Overview: The MAXIFLEX T2 CPUs, including models M1240B (T2), M1241B (T2c), M1242B (T2e), and M1243B (T2m), are designed for remote I/O applications. They offer robust industrial network communication features and ease of use, with no programming required for basic operations.
Features: These CPUs support system sizes from 2 to 15 I/O modules per CPU, with optional Ethernet, CONET, or radio modem ports. They include automatic I/O module identification and scanning, built-in CONET inter-network routing, and Modbus protocol support. The CPUs provide up to 64,000 Data Interchange Registers for data access and include a real-time clock and battery backup.
Applications: The CPUs are suitable for SCADA software packages, point-to-point telemetry systems, I/O expansion in DCS installations, radio-linked RTU out-stations, high-density analogue data acquisition systems, distributed alarm systems, and dial-up monitoring of remote installations.
LED Indicators: The CPUs feature LED indicators for CPU health, I/O module status, application program status, battery status, and communication activities.
AutoScan and I/O Management: The AutoScan feature automatically scans I/O modules, sorting data into tables for easy access. I/O Module Configuration Management allows for automatic updates of module configurations, and the I/O Manifesto Feature monitors module types and positions.
Data Interchange Table (DIT): The DIT is central to data storage and exchange, with a dynamic area for temporary data and a static area for configuration data. It supports up to 65,500 registers, allowing direct addressing through any CPU port.
Subscription Service: This service facilitates data replication between nodes, providing change-of-state detection and error reporting for efficient data exchange.
CONET Technology: The CPUs support CONET technology for peer-to-peer networking over various media, including copper, radio, and Ethernet. This technology allows for remote programming, event messaging, and data replication.
Network Routing and Configuration: The CONET Network Routing service integrates multiple networks into a seamless intranet. The CONET Router Wizard assists in configuring router table entries for network routing.
Protocol Selection: The serial port supports Modbus Slave, Modbus Master, Conet/s, and custom protocols. The Ethernet port on the T2e CPU supports Modbus ASCII Slave and Modbus/TCP protocols.
Remote Programming and Configuration: The CPUs can be programmed remotely via any network port using the Conet/s protocol. Configuration is facilitated by Omniset/Omniset Pro software, compatible with various Windows operating systems.
EziForth Programmability: The T2 CPUs include an EziForth programming engine for executing custom applications locally, such as custom protocols and data conversion.
Specifications:
  • Communications Ports: The programming port is an asynchronous RS232 serial port supporting Conet/s protocol for remote programming and data access, with a standard baud rate of 19,200 and a maximum cable length of 5 meters. The serial port supports RS232/485, Conet/s, Modbus ASCII, and RTU protocols, with baud rates from 300 to 19,200 and varying cable lengths depending on the mode.
  • CONET Ports: The M1241 T2c model features a token-passing peer-to-peer LAN with a maximum cable length of 10km and supports up to 126 nodes. The M1242 T2e model includes a 10BaseT Ethernet port supporting various network protocols, while the M1243 T2m model has a radio network port with MSK modulation and supports up to 255 nodes.
  • Memory: The system includes 10k program space in EEPROM, 6k battery-backed RAM for user variables, and a data interchange table with 4750 16-bit registers on the CPU.
Front Panel Indicators:
  • CPU OK: Green light indicates a healthy CPU; flashing or off indicates a fault.
  • I/O OK: Green light indicates correct I/O configuration; flashing or off indicates a mismatch or unset configuration.
  • RUN: Green light indicates the application program is running; off or flashing indicates issues.
  • BATT: Red light indicates the lithium battery needs replacement.
  • Serial and Network Indicators: Various lights indicate data transmission and reception status.
Real Time Clock:
  • Resolution of 10 milliseconds with an accuracy of 1 minute per month. Battery life exceeds 1 year without power and 5 years with power on.
Environmental Specifications:
  • Operating temperature ranges from -25°C to +60°C, with storage temperatures from -40°C to +70°C. Humidity is 95% max at 40°C non-condensing.
Power and Mass:
  • Logic power consumption is 450mA from 5Vdc max. The mass is 390g excluding packaging and 480g including packaging.
Ordering Information:
  • Model codes are provided for different CPU configurations, including T2, T2c, T2e, and T2m.
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Catalog excerpts

Model M1240B CPU T2-1

MAXIFLEX T2 CPU’s Models M1240B (T2), M1241B (T2c), M1242B(T2e) & M1243B (T2m) Telemetry and Remote I/O Processors DATASHEET FEATURES • Designed specifically for Remote I/O Systems System sizes from 2 to 15 I/O modules per CPU No programming required but available for local control. Easy configuration using free software utility. Optional integral Ethernet, CONET or radio modem Port Automatic I/O module identification and scanning. Built in CONET inter-network routing for complex systems. Built in Modbus protocol support for 3rd party connectivity The MAXIFLEX T2 CPU is designed specifically for remote I/O applications, offering powerful industrial network communications features with ease of use. All local data is accessible through up to 64000 Data Interchange Registers in a single “Data Interchange Table”. All system configuration data and dynamic data can be read and written through this convenient table interface. Conventional remote I/O systems can be implemented without the need for any programming, although the inclusion of programming capability in the T2 with the powerful EziForth programming language allows local control functions to be performed. Following the ISO OSI 7-layer model, this CPU includes a powerful inter-network routing capability for retrieving data from the corners of the factory in very large , geographically spread-out installations. This capability allows many dissimilar network types to be linked to create a seamless factory intranet, quite often without the need to layer special network cabling. The T2 CPU automatically identifies the presence of I/O modules and performs I/O scanning of these modules, making this data available in the Data Interchange Table without needing to write a line of code. Many other features such as a built-in real-time clock, battery backup for temporary dynamic data, and a MODBUS equipped RS232/485 serial port are standard in this product. Remote I/O for SCADA software packages using Ethernet. Use with CONET to retrieve data over distances up to 10km. Point-to-Point Telemetry systems with analog and digital data in both directions over a single pair of wires. I/O expansion into existing DCS installations through the CONET network and Modbus gateways. Copyright Omniflex ♦ Subject to change without notice High Density Analogue Data Acquisition systems such as boiler skin temperature monitoring with direct sensor connections. Third party network interfaces to the DCS over CONET to achieve a rugged plant intranet. Radio linked RTU out-stations with up to 480 I/O per out-station. Distributed Alarm Systems with Time-stamping to 10 milliseconds at source. Dialup monitoring of remote installations for metering, asset management or security applications. http://www.omniflex.com Solutions by Design

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Model M1240B CPU T2-2

MAXIFLEX T2 CPU’s Models M1240B (T2), M1241B (T2c), M1242B(T2e) & M1243B (T2m) Telemetry and Remote I/O Processors LED Indicators A comprehensive set of LED indicators are used for status indication on the front of the CPU. These identify: • CPU Healthy • • • • I/O Module Status RUN Application program started Battery Status Serial Port Communications Activity Network Communications Activity AutoScan The T2 CPU is equipped with “Autoscan”, a feature that automatically scans all the I/O Modules and I/O connected to the CPU. The power of this feature is seen in Telemetry applications and Data Acquisition...

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Model M1240B CPU T2-3

MAXIFLEX T2 CPU’s Models M1240B (T2), M1241B (T2c), M1242B(T2e) & M1243B (T2m) Telemetry and Remote I/O Processors CONET Technology The T2 CPU’s are all equipped with the field proven CONET industrial intranet technology. CONET is a peer-to-peer internetworking technology designed from the ground up for noisy industrial plant environments. CONET can run on a number of physical media including existing plant cabling, conventional copper twisted pair, over radio links, over fibre-optic links, over virtual serial links, and over Ethernet. CONET is available for the following media: • Conet/c is...

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Model M1240B CPU T2-4

Telemetry and Remote I/O Processors Serial Port Protocol Selection The included serial port on the T2 CPU's comes equipped with four protocol options as standard: • Modbus Slave can be selected for easy interconnection of MAXIFLEX I/O to third party systems such as Distributed Control System's, SCADA software, or Master Programmable Logic • Modbus Master can be selected for reading/writing data to third party intelligent devices such as controllers, analysers, and PLC equipped with te Modbus Slave protocol. • Conet/s protocol can be selected to interconnect MAXIFLEX systems over wide areas using...

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Model M1240B CPU T2-5

MAXIFLEX T2 CPU’s Models M1240B (T2), M1241B (T2c), M1242B(T2e) & M1243B (T2m) Telemetry and Remote I/O Processors Module General Layout Serial Port Connector Conet Port Connector Serial Port Dipswitch Conet Port DIP switch Programming Port Connector Specifications Communications Ports Programming Port (on all models) Baud Rates 62.5 kBaud on Standard Baud Rate 7800 Baud on Slow Baud Rate. Asynchronous RS232 serial port Maximum cable length Supports Conet/s which allows remote programming and full system data access through the programming port. Standard Baud Rate Network Protocol Support Maximum...

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Model M1240B CPU T2-6

MAXIFLEX T2 CPU’s Models M1240B (T2), M1241B (T2c), M1242B(T2e) & M1243B (T2m) Telemetry and Remote I/O Processors Up to 4000 Registers in each I/O Module. Real Time Clock Resolution Front Panel Indicators On = CPU Healthy Flashing or Off = CPU faulty Battery Life Greater than 1 year with power off. Greater than 5 years with power on. On = I/O OK Flashing = I/O does not match configuration. Off = I/O configuration not set. Battery Type 3.6V Lithium wafer Cell Model TL5186 On = Application Program Running Off = No application program or application program not running Flashing = 2 second startup...

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