User part
3
1 Introduction
MIKROTHERM® MT825-A is ¼ DIN temperature/process controller with 1 input for
measurement, 1 input/output for controlling and 5 outputs ( thi first is for control, the second
is for alarm/signal, the event output 3,4,5).
• Buying a new controller, see the chapter Installation and configuration of controller.
• If you have the device installed from the producer of device, see the chapter Final User.
Final User
If you are a final user, you will get the device in the customised operation and you can view
and change only the parameters, you need for your own work. There is a special part for you
in manual – User Part.
If you are a new user of the device, focus on the following chapters:
• Basic terms, it is explained the key functions, modes of controller, info ans error
massages.. In the whole manual you will be referred to the terms expalined in this chapter.
• User level, in this level you can scroll through mode of controller, edit programmes, start,
stop and end programmes…
• If you want to create programme profile, you will find the information in chapter
ProF, creations of programme profiles. Programme profile means to create the structure
of programme (1.step – rate at set temperature, 2.step soak at this temperature…) and
only some parameters can be made accesible. The result is that during editing programmes
you will set just a few chosen parameters ( final temperature of 1.step, time of 2.step)
• Tips for operation and troubleshooting you will find in the chapter Tipps..
Installation and configuration of controller
For installation and controller configuration is determined configuration and service part of
manual.
It is assumed that you know basic operation of device described in the chapter Basic terms
and you are authorised for installation and you know how to set up the device.
• Information on installation of device you will find in chapter Installation.
• Wiring is described in chapter Power wiring..
• For further information on operation see chapter Configuration level and Tips for
configuration.. For service worker it is convenient to find out options in chapter Service
level. After the operation of device it is recommended to write down parameter values in
table on page 53 There is a blank table for writting of programmes on the same page.
• You will find the information on editing, starting and ending of programmes, viewing and
setting of parameters, etc.., in operation part of the manual.
Important:
The description of serial communications is not stated in this manual. It is stated in the
manual for the devices fitted with communications board.