System States - JUMO mTRON T Operating Manual
Measuring, control, and automation system
central processing unit
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Also See for mTRON T:
- Operating manual (278 pages) ,
- Manual (114 pages) ,
- System description (74 pages)
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5 Operation
5.2
System states
The following characteristics indicate the various system states:
"Run" system state
•
To achieve this state, use the system switch (Run) or the setup program;
if there is an error in a mandatory module, the system does not enter the "Run" state.
Requirement: the system must not be in the "Init" state.
•
Input values are adopted by the system; outputs are actuated (are active).
•
Interfaces (Com1 and Com2) are active.
•
The system switch, setup program, or PLC can be used for changeover to "Stop".
•
The setup program can be used to transfer the configuration; here the user can make the
adjustment whether the system is set to the safe "Stop" state beforehand.
•
Software update is possible, but the system is set to "Stop" automatically.
"Stop" system state
•
To achieve this state, use the system switch (Stop), setup program, or PLC.
Requirement: the system must not be in the "Init" state.
•
Input values are adopted by the system; outputs are switched off (inactive).
•
Modules are in safe state (except independent controller modules).
•
Interfaces (Com1 and Com2) are active.
•
The setup program can be used for changeover to "Run", provided this is not prevented by
the "Stop" switch setting.
•
The setup program can be used to transfer the configuration.
•
Recording function continues to run, default values are used in part.
•
Software update is possible.
•
Three-step controller in manual mode: control element can still be operated, provided com-
munication with the multifunction panel is available.
"Init" system state
•
To achieve this state, use the system switch ("Origin" reset).
•
Outputs are switched off (inactive).
•
Modules are in safe state (except independent controller modules).
•
Interfaces (Com1 and Com2) are active.
•
Changeover to "Run" and "Stop" is not possible using the setup program or PLC.
•
System startup must be performed with the setup program.
•
Recording function continues to run; analog inputs of the multifunction panel are set to de-
fault values.
•
PLC program and all internal PLC memory areas are deleted; PLC is set to original state.
"Calibration mode" system state
•
Activation in setup program using the "Calibrate / test" function (online parameter) for the
relevant module
•
The entire system enters calibration mode.
•
PLC in "Stop" state; system bus in "Run" state (outputs are actuated)
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