MM64003a_e.doc / Feb-09
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No. Command
Description
Assignment to
Keypad Input
5 n.a.
6 Parameter
Disable
Disables the keypad for any parameter access.
Only commands assigned to the keypads will be
accessible
no yes
7 Store EEProm
Stores actual operational settings to the EEProm,
so they remain available also after power down.
yes yes
8 Release Function
Lock
Releases all selected switching functions from
their latch state
yes yes
9 Freeze Function *) Freezes all selected functions to their actual
switching state
yes yes
n.a. = not applicable
*) After a power-down situation the "Freeze" function will operate as follows:
a. If upon power recurrence the external freeze input is still active, all selected
Functions will return with their previous (frozen) state
b. If upon power recurrence the external freeze command is no more active, the
"Freeze" state will be overridden and all functions will follow the actual process
state.
c. During power-up of the unit, for a short period of about 1 sec all outputs may
temporary take an undefined switching state (initialization phase)
Summary of Contents for MM 640
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