Flowserve DFC17 - Manual (Page 23)

WCAIM2026 DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions 23
5.0 TECHNICAL DATA
5.1 Allowable Supply Voltage Range
All voltages +/- 10%
Power Consumption (Circuit board only) – 2.5 Watts
5.2 Analog Input Circuit Specifications
Maximum Tolerated Noise Level at Maximum Controller
Resolution/ Sensitivity – Approx. 3.5 mV (16 microamps).
Resistance Input
DFC-1K – Nom. 1000 ohms
DFC-13 – Nom. 135 ohms
Current Input
DFC-1 – 1 to 5 milliamps
DFC-4 – 4 to 20 milliamps
DFC-10 – 10 to 50 milliamps
Voltage Input
DFC-5V – 0 to 5 VDC
DFC-XV – 0 to 10 VDC
5.3 Output Circuit Specifications
All Models
Maximum Surge Current 100 amps for 1 cycle
Maximum Normal Starting or
In-rush Current
10 amps for 1 second
Maximum Stall Current 8 amps for 1 minute
Maximum Running Current – Resistive Load 5 amps
90% Duty Cycle
Maximum Running Current – Inductive Load 3 amps
90% Duty Cycle
Maximum Peak Voltage at Load Circuit 800 VAC
(All 120 & 240 VAC Models)
Maximum Driver Circuit Current 3 amps Continuous
(All 12 & 24 VDC Models)
Alarm Output 100 mA maximum current
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 Division
Worcester Actuation Systems