m50 Series Controllers

The m50 controller series represents the forefront of controller technology in the NEMA market.


The Siemens m50 series controllers are an innovative, fully actuted controller unit with an extensive compliment of operational, programming, and diagnostic capabilities. The m50 series exceeds many industry standards and specifications with advanced functionality beyond the normal NEMA standards. The m50 features capabilities and enhancements in hardware design and communications. The series consists of the M52 TS2 Type 1,2 and the M53 TS2 Type 2 models.

This controller can benefit any municipality's traffic management program:

  • Multiple communication interface options

  • Backwards compatible to support a variety of cabinet styles including the NEMA TS1, TS2 Type 1, and TS2 Type 2

  • Eliminates need for EPROM chip replacement

  • Ability to reduce costs by using single front panel for multiple controllers

  • Simple and proven closed-loop solution

Hardware Features

The m50 features a removable, hand-held LCD alphanumeric backlit display unit.
The controller is convection cooled with vent slots in the back and openings along the bottom. Adjustable rubber feet along the front allow users to change the angle of the display and create more or less space around the controller. Grounding metal feet in the rear stabilize the controller.

Handheld Display

The m50 features a removable, hand-held LCD alphanumeric backlit display unit, with 8-line, 40 character per line display capability. The display unit connects to the controller via a dedicated C60 port.

Additional Features

  • Built in external 10 Base-T Ethernet port with configurable IP

  • 8MB of flash memory

  • NEMA TS2 Type 1 15-pin Input/Output serial connection to the bus interface unit

  • NEMA TS2 Type 2 for direct parallel connection to load switches and detectors

  • Removable hand held front panel with 8x40 character backlit LCD display

Physical Dimension and Weight

  • 177mm H x 394mm W x 241mm D, 4 kg

  • 7" H x 15.5" W x 9.5" D, 8 lbs


  • -34°C to +74°C

  • -30°F to +165°F

Power Consumption

  • Voltage - 89 to 135 VAC

  • Frequency - 57 to 63 Hz

  • Consumption - 25 watts (typical) to 120 watts (maximum)

Central Processor Unit (CPU)

  • Open architecture platform with standard OS9™ operating system

  • Motorola 68360 32 bit, 25MHz processor with CPA32 instruction set

  • Time-of-day clock with automatic daylight savings time adjustment

  • Power supply will power the SRAM during power failures

Keyboard and Display

  • Removable light-emitting diode backlit LCD Display with 8 lines of 40 characters with adjustable contrast setting.

  • Emulation of terminal per Joint NEMA/AASHTO/ITE Standard.

  • Key quantity and function per Joint NEMA/AASHTO/ITE Standard.


  • 10 Base-T Ethernet with front panel RJ-45 connector

  • Unique MAC address assigned by the Institute of Electrical and Electronic Engineers (IEEE)

  • EIA-232 port for uploading/downloading applications software and OS updating

  • Single and multi-mode fiber optic options

  • 1200 bps Frequency Shift Keying (FSK) modem (optional)

Controller Housing

  • Seven (7) expansion slots with card guides for standard size Versa Modules and two (2) slots with card guides for standard Joint NEMA/AASHTO.ITE ATC modems (optional)

  • Polycarbonate construction (excluding back panel), rear mounting tabs and aluminum power supply mounting plate for electrical grounding

  • Carrying Handle

09/06/2012 | Author: Name

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