13-17
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
13.5 Parameters of the Counter Module
In the table below you will find a list of the parameters, their value ranges
and default values:
Table 13-2
Parameter List
Parameter
Value Range
Default Values
Count limit: lower
0 ... 65535
0
Count limit: upper
0 ... 65535
65535
Mode
Continuous
Single-pass
Periodic
Continuous
Count mode
Upward
Upward/downward
Upward
Enable comparison value
Disable
Enable
Disable
Digital output:
activated on
Disable
Comparison value to overflow
Comparison value to underflow
Reaching the comparison value for the
pulse duration counting upward
Reaching the comparison value for the
pulse duration counting downward
Reaching the comparison value for the
pulse duration counting upward or
downward
Disable
Digital output:
logic
Not inverted
Inverted
Not inverted
Digital output: pulse duration
0 ... 3000 ms in steps of 100 ms
0
Hysteresis
0 ... 255 count pulses
0
You can choose between the following count directions:
Upward
Upward/downward
In the upward count mode the direction input is ignored.
You can store a comparison value in the counter module. An output of the
counter module is assigned to this value. If the count reaches the comparison
value, the output can be set in order to trigger direct control operations in the
process.
Parameter
Count Mode
Comparison
Values
The 1COUNT40kHz Counter Module