Delta HES Series Instructions For Use Manual page 70

Chapter 4 Parameter Functions

Ramp up rate of pressure command
Control mode VF
Settings
 Ramp down rate of pressure command
VF
Control mode
Settings
 Ramp the pressure value for the pressure command so as to reduce the vibration of the
machine.
 Set the time required for ramping the pressure from 0~the maximum pressure (00-08).
 Ramp up rate of flow command

Ramp down rate of flow command
Control mode VF
Settings
 Ramp the flow value for the flow command so as to reduce the vibration of the machine.
 Set the time required for ramping the flow from 0~the maximum flow (01-02).

Valve opening delay time
Control mode VF
Settings
 When both the pressure command and flow command activate the machine to start from idle,
the flow starts to output. However, due to the slower response of the valve in the
the sudden surge of the pressure may occur. The pressure may recover to normal till the valve
is fully opened. To avoid the aforementioned effect, set this parameter to increase time for the
flow output delay.
HES Series
FOCPG FOCPM
0~1000ms
FOCPG FOCPM
0~1000ms
Pressure
com mand given
to controller
Pressure
comm and after
driver processing
00-29
FOCPG FOCPM
0~1000ms
Flow command
given to
controller
Flow command
after driver
processing
00-31
FOCPG FOCPM
0~200ms
Pre ssu re
C o mma n d
Pa ra me te r 0 0 -3 3
Fl o w
C o mma n d
00-32
Be fo re p re ssu re
fe e d b a ck a d j u stme n t
Afte r p re ssu re
fe e d b a ck a d j u stme n t
Be fo re fl o w fe e d b a ck
a d j u stme n t
Afte r fl o w fe e d b a ck
a d j u stme n t
4-18
Factory default: 0
Factory default: 100
Time
00-30
Factory default: 80
Time
Factory default: 0
hydraulic
circuit,