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Overview

The intrinsically-safe Cat® PMC-R control units are used on shearer or plow faces to provide medium to high level of longwall automation. Each Roof Support needs to be equipped with one PMC-R control unit and a solenoid driver to operate the in-shield hydraulic functions and a set of peripheral components, like sensors for pressures and shield advance. The PMC-R can control and display all functions of a shield and is simultaneously the interface between operator and machine (HMI). The PMC-R system can control all individual shield functions based on a reliable network. As an interactive system, it allows the user to execute single shield functions as well as automatic functions. Important process values are continuously displayed as feedback for the operator.

Components

Units:
Operating System µITRON RTOS µITRON RTOS Less
Processor 16Bit Microcontroller TMP91CW12AF, 27MHz, internal RAM 4Kbytes, ROM 125Kbytes 16Bit Microcontroller TMP91CW12AF, 27MHz, internal RAM 4Kbytes, ROM 125Kbytes Less
RAM Memory 2Mbytes CMOS Static RAM, 4Mbytes Flash 2Mbytes CMOS Static RAM, 4Mbytes Flash Less

Global Certifications

Types Europe: ATEX Europe: ATEX Less
Types U.S.: MSHA U.S.: MSHA Less
Types More certifications on demand More certifications on demand Less
Types Australia: IECEx, ANZEx Australia: IECEx, ANZEx Less
Types China: MA China: MA Less
Types Russia: GOST Russia: GOST Less

Electrical Data

Supply Current - Maximum Ratings 2.0 amps 2.0 amps Less
Supply Current - Typical Value 1.0 amps 1.0 amps Less
Supply Voltage - Maximum Ratings 9.5 V - 13.2 V 9.5 V - 13.2 V Less
Supply Voltage - Typical Value 12 V DC 12 V DC Less

Environmental Data

Temperature - Maximum Ratings -20° C - +40° C (-4° F - +140° F) -20° C - +40° C (-4° F - +140° F) Less
Temperature - Symbol Tamb Tamb Less
Temperature - Typical Value 68.0 ° F 20.0 ° C Less

Dimensions (Approximate) - Front View of the PMC-R

Height 4.57 in 116.0 mm Less
Length 12.6 in 320.0 mm Less
Width 7.01 in 178.0 mm Less

Dimensions (Approximate) - Rear Side View of the PMC-R

Height 4.57 in 116.0 mm Less
Length 12.6 in 320.0 mm Less
Width 7.01 in 178.0 mm Less

Dimensions (Approximate) - Solenoid Driver Module

Height 1.46 in 37.0 mm Less
Length 13.66 in 347.0 mm Less
Width 2.68 in 68.0 mm Less

Pin Assignment of Solenoid Driver Module Type SD1

Socket S101 - Pin 1 12.0 volts 12.0 volts Less
Socket S101 - Pin 2 (Solenoid 1) TX TX Less
Socket S101 - Pin 3 (Solenoid 2) RX RX Less
Sockets S301-S306 - Pin 1 12.0 volts 12.0 volts Less
Sockets S301-S306 - Pin 2 (Solenoid 1) GND1 GND1 Less
Sockets S301-S306 - Pin 3 (Solenoid 2) GND2 GND2 Less
Sockets S301-S306 - Pin 4 GND GND Less
Sockets S307-S311 - Pin 1 12.0 volts 12.0 volts Less
Sockets S307-S311 - Pin 2 (Solenoid 1) GND1 GND1 Less
Sockets S307-S311 - Pin 3 (Solenoid 2) GND2 GND2 Less
Sockets S307-S311 - Pin 4 0 - 1 mA; 0.5 - 4.5 V 0 - 1 mA; 0.5 - 4.5 V Less

Features


Exemplarily System Layout of a PMC-R System (Shearer Face)


Main Features PMC-R Control System


Peripheral Equipment


Solenoid Driver Module


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