Leuze electronic BPS 34 Technical Description page 87

Leuze electronic
8.1.7.26 Module 25: Static velocity limit values
Notice!
Underlined in the CR column are the modules which must be activated in addition to the cur-
rent module.
Description
The limit value function compares the current velocity with a limit velocity stored in the
configuration. This occurs in the range defined by the range start and end. If a direction-
dependent limit value check is activated with the "direction selection" parameter, the values
of range start and end define the direction. The check is always performed from range start
to range end. For example, if the range start is 5500 and the range end is 5000, the direction-
dependent check is only performed in the direction from 5500 to 5000. The limit value is not
active in the opposite direction. If the check is independent of direction, the order of range
start and end is without meaning. If the value is above or below the limit value, the limit value
status in module 23 is set and, if configured, the switching output is appropriately set.
Parameter
Parameter
Parameter activates or deacti-
a
vates limit value checking for
Velocity limit value 1,
Velocity
Velocity limit value 2,
limit value
Velocity limit value 3,
mode
Velocity limit value 4,
on or off.
Selection of direction-depend-
b
ent or direction-independent
limit value checking for
Direction Velocity limit value 1,
selection Velocity limit value 2,
Velocity limit value 3,
Velocity limit value 4,
Condition for the signal change
c
of the switching output and the
status bits for
Velocity limit value 1,
Switching
mode Velocity limit value 2,
Velocity limit value 3,
Velocity limit value 4,
d
Limit value is compared to the
Velocity
current velocity.
limit value 1
in [mm/s]
e
Relative offset of switching
Velocity
point.
hysteresis 1
in [mm/s]
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Description Rel.
addr.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.0
1.1
1.2
1.3
2
4
Device parameters and interfaces
Data Value range
type
for each limit value
Bits 0: Limit value not active
1: Limit value activated
for each limit value
0: Check in both direc-
Bits tions
1: Only check in one direc-
tion
for each limit value
Bits 0: Value greater than limit
1: Value less than limit
unsign
0 ... 20'000
16
unsign
0 ... 20'000
16
BPS 34
Default Unit CR to
module
0
8b
0 –
22
0
0
0 –
0
0
0
0 –
0
0
0
0 mm/s
23b
0 mm/s
85