E-25-7-E
8
5.4 Identifying the External Connection Terminals
Table 5.
Term.
No.
Label
Required Conditions for Connections and Specifications
Flow Signal Input
SUP.
FLOW SIG
INPUT
Current pulse
[PA14, 15, 25,
NPG60A (E)]
Contact-closure pulse
Open collector pulse
2-wire voltage pulse
(PG20, Coriolis meter)
3-wire open collector
3-wire voltage pulse
[PG30, NPG60A (F),
60 (E3), FLOWPET- EG]
2
SIG.
3
COM.
4
O
ut
pu
t t
o
External Totalizer
TOTAL COUNT OUTPUT
Non-contact relay output, a set of Form “a” contact Capacity: 250V AC/DC 0.5A
Output pulse width: 1ms (standard) or 50ms
5
6
Power
L1 (+)
POWER
SUPPLY
85 to 264VAC 50/60Hz
7
L2 (–)
8
GND
Ground terminal
9
End-of- Batch Output
BATCH END OUTPUT
Non-contact relay output, a set of Form “a” contact Capacity: 250V AC/DC 0.5A
0
Va
lve
C
on
tro
l
Signal
VALVE OPERATION
SIGNAL (SV)
Partial-flow signal (SV): Initial open signal
Relay
contact output, a set of Form “c” contact
Capacity: 250VAC, 1A
a
c
b
2
3
4
Va
lve
C
on
tro
l
Signal
VALVE OPERATION
SIGNAL (MV)
a
c
b
Upper-limit flow signal (MV): Full-open signal
Relay contact output, a set of Form “c” contact Capacity: 250VAC, 1A
5
6
7
Remote Control
Input
START
REMOTE
CONTROL
INPUT
a
a
b
START: Form “a” contact
RESET: Form “a” contact
STOP: Form “b” contact
Contact current:
0mA max. at 5VDC
Signal width:
Instantaneous signal
※:
sec.
8
RESET
9
STOP
20
COM.
NOTE:
Short STOP when not in use.
2
Alarm Output
ALARM OUTPUT
An output on detection of missing pulses, overmeasurement, parameter error Relay
contact output, Form “a” output Capacity: 250V AC, A
22
NOTE
※
:
Provide at least 2 seconds between individual signals (see page 10).
5.5 Flowrate Input and their Terminals
Table 5.2
Signal Type
Contact-closure Pulse, 2-wire
Voltage Pulse, Open Collector Pulse Current pulse
3-wire open collector pulse
3-wire voltage pulse
Generator
PG20, Coriolis flowmeter
PA 14, 15, 25, NPG60A (E)
PG30, NPG60A (F),
NPG60A (E3),
FLOWPET-EG
Terminals
——
○
+
○
SUP.
2
○
+
○
–
○
SIG.
3
○
–
——
○
COM. (0V)
○
: Terminals in use
