Period t1–t7: high air demand
Period t8–t14: low air demand
t5:
SK also switches to LOAD.
System pressure pNloc begins to rise.
t12:
SK switches to LOAD.
System pressure pNloc begins to rise.
t6:
SK switches to IDLE.
t13:
SK switches to IDLE.
t7:
BSD switches to IDLE.
t14:
BSD switches to IDLE.
Tab. 73 Function diagram
Fig. 41 Function diagram
SD
Switching differential
p
Pressure
t
Time
Set the network nominal pressure pA and pB.
Precondition Access level 2 is activated.
1. Open the
<5.2.2 – Pressure control – Pressure settings> menu (see chapter 8.5.1).
2. Use «Up» or «Down» to select the
pASP line.
6 . 1 b a r
0 8 : 1 5 A M
8 0 ° C
Header
5.2.2 Pressure settings
Menu
Setpoint pressure
pA SP:
8.5bar ¦ SD:
−0.5bar
Active line
pB SP:
8.2bar ¦ SD:
−0.5bar
·········
System pressure low
☐
↓
<
5.0bar ¦ SD:
0.50bar
3. Press «Enter».
The
pA display flashes.
8
Initial Start-up
8.11 Setting the machine for master control operation
No.: 9_9450 12 E
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
151