DZ27001a_e.doc / Jan-13
Page 17 / 36
6.2. Parameter Descriptions
6.2.1.
Preselections
Preselection parameters are not relevant for model DZ276
These parameters assign the desired switching points to the relays/outputs. The preselections
use the same engineering units as the display of the actual speed (see Display-Menu).
Preselection Menu
Code
Setting Range
Default
Preselection1
Switching point of relay 1/ out 1 (engineering units)
„00“
-1 000 000.0 ... +1 000 000.0
100.0
Preselection2
Switching point of relay 2/ out 2 (engineering units)
„01“
-1 000 000.0 ... +1 000 000.0
200.0
Preselection3
Switching point of relay 3/ out 3 (engineering units)
„02“
-1 000 000.0 ... +1 000 000.0
300.0
6.2.2.
Definitions for the Encoder or Speed Sensor
Encoder-Menu
Code
Setting Range
Default
Encoder Proper
Encoder properties
„A0“
0..1
0
0
1
SIN+/SIN-/COS+/COS-
SIN+/SIN-
Direction
Definition of the direction of rotation with quadrature encoders
„A1“
0, 1
0
0
forward when A leads B
1
forward when B leads A
Sampling Time
Internal time base for sampling of the input frequency (sec.)
„A2“
0.001..9.999
0.001
Wait Time
Time to wait before unit detects zero speed (sec.)
Impulse distances greater than this time will be takes as zero
„A3“
0.01..9.99
1.00
Filter
Digital filter for smoothing of unstable frequencies
„A4“
0..7
0
0
Filter off
(very fast response to frequency changes)
1
Τ
(63%) = 1,9 msec. with Sampling Time = 1msec.
2
Τ
(63%) = 3,8 msec. with Sampling Time = 1msec.
etc.
7
Τ
(63%) = 122 msec. with Sampling Time = 1msec.
(very slow response to frequency changes)
Set Value
Fixed frequency set value for encoder simulation (Hz)
(see also "Command"-Menu)
„A5“
-1 000 000.0 ...
+1 000 000.0
0