Page 6
Translation of the original instructions MFS-05
Δp, Filtration Group GmbH, 16.01.18, Mat. No. 70303409, Version 03
LEDs:
Fault (red)
Operation (green)
Cleaning (2 x yellow)
Pulsing (red, 1x per valve)
Alarm threshold on
∆
P module (red)
Fig. 9: LEDs
Valve alarm LED:
Valve LED blinks.
Cause: Overcurrent or interruption
7
Technical data
The inputs are not isolated!
•
Provide external isolation if necessary.
Fig. 10: Nameplate
Analogue inputs
(not isolated)
•
Start or Δp input not assigned
(time control: 16-17 jumpered)
Digital inputs
•
Enable (contact closed, terminal
18-19) / stop (contact open)
•
Post-cleaning
•
Rapid cleaning
•
Fault acknowledgement
(momentary contact signal)
Pressure
measuring lines
•
P1 = pressure on
dirty side = [+]
(upstream of filter element)
•
P1 = pressure on
clean side = [-]
(downstream of filter element)
•
Measuring hose diameter: 4 mm
Valve outputs
12, extendable to 24
Valve voltage
24 V DC ± 10%
Valve current
1 A for pulse time
≤ 1 s,
otherwise 0.5 A
Relay outputs
•
Contact load 250 V AC / 5 A
•
1 changeover contact for
operating/fault signals
(FAIL-SAFE circuit)
•
1 NO contact for cleaning signal
•
1 changeover contact for
∆
p alarm
Analogue output
•
0 (4) ... 20 mA
∆
p sensor
•
Measuring range: 0 ... 40 mbar
•
Max. static pressure: 1 bar
•
Linearity:
±
1%
•
Temperature hysteresis:
±
0.5%
•
Temperature drift / zero:
±
0.025% / K
•
Temperature drift / upper range
value:
±
0.01% / K
Time settings
•
Pulse time: 0.1 ... 3.0 s
•
Interval time: 5 ... 500 s
•
Post-cleaning: 0 ... 12 cycles
LEDs
•
Operation: Green
•
Cleaning: Yellow
•
Fault: Red
