04/10 MN04020001Z-EN
67
6 Parameters
Control unit
The following figure shows and indicates the elements of the 
M-Max
TM'
s integrated control unit.
Table 6: Control unit elements
Figure 63: View of the keypad with LCD display, function keys and 
interface
LCD = Liquid Crystal Display
I
BACK
RESET
RUN STOP ALARM FAULTREADY
REF
FWD REV I/O KEYPAD BUS
MON
PAR
FLT
LOC
REM
OK
Operating unit element Explanation
• Backlit liquid crystal display 
(LCD).
• Plain text with alphanumeric 
characters.
• Acknowledge fault message 
(Reset)
• Activates the selection for the 
menu levels (
Y flashes).
Move between different control 
levels (I/O - KEYPAD - BUS) 
according to parameter settings 
P6.1 and P6.17.
• Select function and parameter.
• Increase numerical value.
• Confirm and activate selection 
(store).
• Lock display.
• Select function and parameter.
•Reduce numerical value
• Move to the individual parameter 
groups  (… S4.1 - P1.1 - P2.1 - 
P3.1 …).
• In displays with several digits 
move between the individual 
digits (Cursor).
• Direction reversal (FWD n REV) 
in KEYPAD mode.
• Stops the running motor (P6.16).
• Reset: Holding down the button 
for 5 seconds causes the default 
settings to be loaded. All 
parameters are reset and the fault 
memory (FLT) is cleared.
Motor start with selected direction 
of rotation (only active in KEYPAD 
control level).
Interface for communication 
(Option: MMX-COM-PC).
h
Pressing the arrow buttons increases or decreases the 
active value, the parameter or function by one unit. 
Holding down an arrow button makes the change 
automatically.
RUN STOP ALARM FAULTREADY
REF
FWD REV I/O KEYPAD BUS
MON
PAR
FLT