
LRV-1 lift control valve
5 Operation
69/86
300-I-9010050-E-28/02.2012
Note
Effect
By default
Setting range
Parameter name
(Miniterminal)
K6/K7/K8 speed
(P2.08 / P2.10 /
P2.12))
Effective only with
auxiliary speeds
K6, K7, K8
20…100%
of fast travel
speed
K6: 20%
K7: 30%
K8: 40%
Fast speed is reduced with
K6, K7, K8
Increasing values:
Higher travel speed
K6/K7/K8
deceleration
(P2.09 / P2.11 /
P2.13)
Effective only with
auxiliary speeds
K6, K7, K8
0.30…5.00V/s
K6: 1.20V/s
K7: 1.80V/s
K8: 2.40V/s
Increasing values:
Steeper deceleration,
i.e. shorter deceleration
distance
Decel. emergency
(P2.14)
Operative for
emergency stop
5.00…10.00V/s 10.00V/s
Reasons for emergency stop:
S
SIU-1 error (Err:SIU-1)
S
Runtime error
S
Fault
S
Both travel commands
dropped out during fast
travel
Pulsation sol.
(P2.15)
120…220Hz
220Hz
Increasing values:
higher solenoid pulse
frequency
Demand val. red.
(P2.24)
Off (1)
Few sensitive (2)
Normal (3)
Sensitive (4)
Normal (3)
Setting the sensitivity of the
automatic demand-signal
reduction
Start delay
(P2.25)
0.1…1.0s
0.1s
Pause between command
and start of travel
Increasing values:
longer pause
Relay function
(P2.26)
only SIU1 (1)
all errors (2)
only SIU4 (3)
only SIU1
(1)
Either the relay on the power
supply unit switches
(
⇒
only when there is an SIU-1
fault, a SIU-4 fault or it
switches with any fault
The effect of the setting “Relay
function” also depends on the
setting “SIU type”,
⇒
table on
page70
Command input
(P2.27)
Bucher K1..K8 (1)
ELRV K1..K8 (2)
binary B1..B4 (3)
3 Sign. K1..K8 (4)
Bucher
K1..K8 (1)
Selection of command
evaluation;
⇒
table
Command evaluation
page71
On the control side it must be
guaranteed that a command
change is concluded within
20ms.
Auxiliary curve
(P2.28)
0…20
0
Assistance with fault-finding
Only for PC operation and after
consultation with Bucher
Hydraulics Service Department!