Watlow F4T Install & Troubleshooting • 21 • Chapter 2 Install and Wire
Output Connections (cont.)
Tri-Process/Retransmit (High Density) FMHA - FAAA - A _ _ _
volts - / current -
volts + / current +
F1
H1
F2
H2
F3
H3
volts - / current -
olts + / current +
volts - / current -
volts + / current +
• 0 to 20 mA into 400Ω maximum load
• 0 to 10VÎ (dc) into 4 kΩ minimum
load
• Outputs are scalable
• Output supplies power
• Each output can be independently set
for voltage or current
• Output may be used as retransmit or
control
negative
volts +
or
current +
0 to 10 V
F
2
H
2
0 to 10 V
F
3
H
3
0 to 10 V
0 to 20 mA
F
1
H
1
Not Used
Not Used
volts +
or
volts +
or
current +
negative
negative
0 to 20 mA
0 to 20 mA
Switched DC / Open Collector FM [M, L] A - _ CCA - A _ _ _
dc -
dc +
W2
Y2
Switched DC
• Output 1 and 2, 30 mA dc
maximum supply current not to
exceed 40 mA combined when
both outputs are used
• Short circuit limited to <50 mA
• 22 to 32VÎ (dc) open circuit
voltage
• Use dc- and dc+ to drive exter-
nal solid-state relay.
• DIN-A-MITE compatible
Open Collector (Output 1 only)
• 100 mA maximum output cur-
rent sink
• 30VÎ (dc) maximum supply
voltage
• Any switched dc output can use
the common terminal.
• Use an external class 2 or *SELV
power supply to control a dc
load, with the load positive to
the positive of the power sup-
ply, the load negative to the
open collector and common to
the power supply negative.
• *Safety Extra Low Voltage
Switched DC
FM [M, L] A - _ [C] [C] A - A _ _ _
dc +
dc -
common
24V
X_
W_
Y_
Note:
Total current of 40 mA not to be
exceeded if both outputs are used.
Open Collector
FM [M, L] A - _ [C] _A - A _ _ _
Load
Power Supply
dc -
common
24V
X1
W1
Y1
dc (open collector)
X1
W1
Y1
Anderson-Bolds ~ 216-360-9800
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