Flowserve DFP17 - Manual (Page 26)

26 DataFlo Digital Electronic Positioner DFP17 Installation, Operation and Maintenance Instructions WCAIM2037
5.0 TECHNICAL DATA
5.1 Allowable Supply Voltage Range
All Voltages ±10%
Power Consumption (Circuit Board Only): 2.5 Watts
5.2 Input Circuit Specifications
Maximum Tolerated Noise Level at Maximum Positioner
Resolution/Sensitivity
Approx. 3.5 mV (16 microamps)
Resistance Input
DFP-1K Nom. 1000 ohms
DFP-13 Nom. 135 ohms
Current Input
DFP-1 1 to 5 mA
DFP-4 4 to 20 mA
DFP-10 10 to 50 mA
Voltage Input
DFP-5V 0 to 5 VDC
DFP-XV 0 to 10 VDC
5.3 Output Circuits Specifications
All Models
Maximum Surge Current 100 A for 1 Cycle
Maximum Normal Starting or
In-Rush Current
10 A for 1 Second
Maximum Stall Current 8 A for 1 Minute
Maximum Running Current - Resistive Load 5 A
90% Duty Cycle
Maximum Running Current - Inductive Load 3 A
90% Duty Cycle
Maximum Peak Voltage at Load Circuit
(All 120 VAC and 240 VAC models)
800 VAC
Maximum Driver Circuit Current
(All 12 VDC and 24 VDC Models)
3 A Continuous
4-20 mA output will drive 20 mA into a 600 ohm maximum load.
Alarm Output - 100 mA maximum at 50 volts DC maximum.
5.4 Input Circuit Load Resistances
1 to 5 milliamp models Approx. 1000 ohms
4 to 20 milliamp models Approx. 220 ohms
10 to 50 milliamp models Approx. 100 ohms
0 to 5 VDC Models Approx. 800 ohms
0 to 10 VDC Models Approx. 1100 ohms
Flow Control
Worcester Actuation Systems