Operating Instructions ProVicom Preface
1 Preface
These operating instructions also cover Ex-relevant aspects.
2 Provicom MT-65, MT-125
2.1 Device function
The MT-65 and MT-125 operator interfaces are intelligent display and operating devices with
text or graphic display for use in hazardous environments of zones 2 and 22 according to ATEX
guideline 94/9/EC.
The easy and simple functions of the MT-65 guarantee less configuration time for your
application and reduce the workload of your PLC.
The MT-125 operator interface offers many different styles of graphic display. Its many
integrated functions also reduce the workload of your PLC.
)LCD monochrome graphic display, 240x64 dot resolution (MT-65), 240x128 dot resolution
(MT-125)
)LED (MT-65) or CFL (MT-125) backlight
)Keyboard: extended 10 block
)MT-65 16 blank function keys that can be customised, 4 softkeys
MT-125 12 blank function keys that can be customized, 4 set function keys,
8 soft keys
)Winbond W77IC32 processor, 22 MHz
)Program memory 512 kByte RAM, data memory 512 kByte RAM (with 64 kByte boot
part), main memory 128 kByte RAM
)RS-232-C programming and printer interface
)Either RS-232, RS-422 or RS-485 communication interface
)2nd serial interface: optional Profibus DP or MPI module
)Reader interface via module if required
)MT-65 temperature range: –20 ... +70 °C
)MT-125 temperature range: –10 ... +60 °C
)24V DC power supply with reverse voltage protection
)MT-65 4 freely controllable LEDs and 16 function keys with LEDs in the frontplate
MT-125 4 freely controllable LEDs and 12 function keys with LEDs in the frontplate
)Real time clock and data retention capacitor are buffered.
©R. Stahl HMI Systems GmbH / OperatingInstruction_Provicom_Falcon_en_1_7.doc / 21.07.2008 Page 3 of 15
