Wilo Control DigiCon, Инструкция по установке и эксплуатации

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Installation and operating instructions Wilo-Control DigiCon/DigiCon-A 31
English
6.2.4 Priorities of the bus commands and control contacts
• Tab. 8 shows the order of priority of the control contacts and bus commands on
the DigiCon/DigiCon-A
6.2.5 Controls
DigiCon/DigiCon-A
Manual operation level
Control contact “off” Highest priority
Control contact “max”
Control contact “min”
Control contact “on”
Bus level 485/PLR
Bus command “max”
Bus command “min”
Bus command “on”
Lowest priority
Tab. 8
DigiCon DigiCon-A
“Mode” rotary switch
Fig. 1, item 14 Rotary switch for setting
control mode:
•
Δ
p-c for constant
differential pressure
•
Δ
p-v for variable differential
pressure
• n-c for constant speed
(servo mode)
“Setpoint” knob
Fig. 1, item 15 Setting the setpoint for the
mode pre-selected with the
“mode” rotary switch (Fig. 3):
•
Δ
p-c: 0% = H
min
,
100% = H
max
•
Δ
p-v: 0% = H
min
,
100% = H
max
• n-c: 0% = min. speed, 100%
= max. speed
The values H
min
, H
max
, min.
speed and max. speed depend
on the pump type.
Tab. 9