Alarm output terminal (/a4a), Remote control input terminal (/r1), Pulse input terminal (/pm1) – Yokogawa Value Series FX1000 User Manual
Page 260
12-11
IM 04L21B01-01EN
Installation and W
iring
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App
Index
Alarm Output Terminal (/A1, /A2, and /A3), FAIL Output Terminal and Memory
End Output Terminal (/F1)
C NC
NO
Output format:
Relay contact
Contact rating:
250 VAC (50/60 Hz)/3 A,
250 VDC/0.1 A (load resistance)
Withstand voltage: 1600 VAC (50/60 Hz) for one
minute (between output
terminals and the ground
terminal)
During normal
operation
When a failure
occurs
When power
is turned off
NO C NC
During normal
operation
NO C NC
When the
specified
status occurs
NO C NC
NO C NC
NO C NC
NO C NC
When power
is turned off
FAIL output
(/F1)
Other output
(/F1)
Alarm Output Terminal (/A4A)
C
NO
Output format:
Relay contact
Contact rating:
250 VAC (50/60 Hz)/3 A,
250 VDC/0.1 A (load resistance)
Withstand voltage: 1600 VAC (50/60 Hz) for one
minute (between output terminals
and the ground terminal)
During normal
operation
When the specified
status occurs
NO C
Alarm output
NO C
Remote Control Input Terminal (/R1)
C
1 to 8
• Transistor input (open collector)
Internal circuit
• Relay contact input (voltage-free contact)
1 C
2
3
4
5
6
7
8
Withstand voltage: 1000 VDC for one minute
between input terminals
and the ground terminal
Input format:
Photocoupler isolation
Shared common (C)
Allowable input voltage:
5 VDC
5 V
Contact open at 200 Ω or less
Contact closed at 100 kΩ or greater
On voltage: 0.5 V or less (30 mADC)
Leakage current when turned off: 0.25 mA or less
1 C
2
3
4
5
6
7
8
Pulse Input Terminal (/PM1)
H
L
Withstand voltage: 1000 VDC for one minute
between input terminals
and the ground terminal
Input format:
Photocoupler isolation
Shared common (L)
Allowable input voltage:
30 VDC
5 V
Internal circuit
• Transistor input (open collector)
• Relay contact input (voltage-free contact)
Contact open at 200 Ω or less
Contact closed at 100 kΩ or greater
On voltage: 0.5 V or less (30 mADC)
Leakage current when turned off: 0.25 mA or less
8
L H L H L H
L H L H L H
7
6
8
7
6
24 VDC Transmitter Power Supply Output Terminal (/TPS2, /TPS4)
Connect the FX to the transmitter as shown below.
Transmitter
Current
FX
Transmitter
power supply
output terminal
Input terminal
Shunt resistor: 250 Ω
To reduce noise, use a shielded cable for wiring.
Connect the shield to the ground terminal of the FX.
+
+
–
–
Note
12.5 Optional Terminal Wiring