User guide

7. Drive Specifications
The Cruise Control
™
comes standard with a Control Techniques Focus 3
™
DC Drive. The panel documentation
includes the complete User Manual from Control Techniques. Included below are general specifications for this
DC drive and control panel system.
These specifications are applicable only to the Focus 3
™
drive, if your panel has been specified with an
alternate DC SCR drive, please refer to the appropriate manufacturer’s literature supplied with your
panel system.
7.1 General:
Control Panel Degree of Protection: Enclosure and disconnect - NEMA 4X
Percent Speed/Stroke Meter - IP65
7.2 DC-SCR Drive:
Input Voltage: 120VAC / 240VAC +/- 10%
HP Range: 1/4 to 1 HP @ 120VAC,
1/2 to 2 HP @ 240VAC
Armature Voltage Range: 90VDC or 180VDC
Speed Regulation (95% load change): Armature feedback: 1% max. speed
Tach feedback: 0.5% max. speed
Tachometer Voltage @ maximum speed: Low Range - 6.5 to 17.4 VDC
High Range - 60 to 160 VDC
Overload Capacity: 150% of max. rating for 1 minute
Maximum Speed: 80-120% of rated speed
Minimum Speed: 0-20% of rated voltage
IR Compensation: 0-20% of rated voltage
Current Limit: 0-150% of selected range
Acceleration/Deceleration: 0.3 - 20 seconds (linear)
7.3 Signal Inputs:
Drive Start Input: Remote dry contact, close to run [standard]
Remote 120VAC input, energize to run [option]
Remote 24VDC input, energize to run [option]
Motor Thermal Fault: N.C. input, opens under fault condition
High Discharge Pressure Fault: N.O. input, closes under fault condition
PULSAlarm Diaphragm Leak Fault: N.O. input, closes under fault condition
Chemalarm Diaphragm Leak Fault: External probe, 24VDC from Chemalarm
™
circuit
Analog Inputs: 4-20mA 50Ω impedance
7.4 Signal Outputs
System Fault: N.O. closes under fault condition
5A @ 240 VAC maximum
Drive Running Status: N.O. closes when running,
5A @ 240 VAC maximum
Drive in Remote: N.O. closes when "Drive Start" is in remote
3A @ 120 VAC, 1.5A @ 230 VAC maximum
Analog Outputs: Percent Speed/Stoke meters only:
4-20mA, 500Ω, short circuit protection
9