Siemens FM 450-1 - Modes, Settings, Parameters and Commands; Chapter Overview; Overview of Modes, Settings and Commands

Modes, settings, parameters and commands
8
8.1 Chapter overview
Chapter overview
This chapter gives you
• an overview of the three modes, the various settings and the commands available and how
to call them.
• A description of the three modes
• A description of the settings
• A description of the two commands
• Marginal conditions and notes which you must heed when using these functions.
8.2 Overview of modes, settings and commands
Which modes are available?
For the FM°450-1 there are the three following modes:
Table 8-1 Operating modes of FM°450-1
Name Description
Continuous counting
(with or without gate)
Starting from the current counter status the FM°450-1 counts continu‐
ously.
Single counting with SW gate
or with HW gate
When the gate opens, the FM 450-1 counts from the load value to the
count limit.
Periodic counting with SW
gate or with HW gate
When the gate opens, the FM 450-1 counts between the load value and
the count limit.
You can con󹪝gure the two FM 450-1 counters in di󹪜erent modes.
The default setting is the "Continuous counting" mode.
Choice of count range, behavior of the two digital outputs, pulse duration, evaluation of the
count signals, and the selection of the signal to set the counter all depend on the mode.
Counter module FM 450-1
Equipment Manual, 03/2022, A5E03648739-AC 57