Liquid Controls SP4000 - Manual (Page 76)

73
SP4000 Flow Computer
6.10
PULSE
OUTPUT
(Continued)
PULSE OUTPUT
The pulse output can be configured as required for an external
device (i.e. remote totalizer, etc.).
ACTIVE: Internal power supply used (+24V).
PASSIVE: External power supply required.
POSITIVE: Rest value at 0V (active high).
NEGATIVE: Rest value at 24V (active low) or external
power supply.
Active:
Passive:
Positive Pulse:
Negative Pulse:
Selection:
PASSIVE-NEGATIVE, PASSIVE-POSITIVE,
ACTIVE-NEGATIVE, ACTIVE-POSITIVE
Display: PASSIVE/POSITIVE
PULSE TYPE
24V
12345678
13
12
Push-Pull
Internal
Power
Supply
+
–
12345678
13
12
Open
Collector
24V
External
Power
Supply
+
–
24
0 t
24
0 t
PULSE TYPE