Flomatic FDHC-100 Configuration And Operation Manual Download Page 1

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Model FDHC-100 (Digital High-Resolution Controller) 
Configuration and Operation Manual 

 

 
 
 

FDHC-100 Configuration & Operation Man. Rev 0 

August 16, 2010 

1 of 14

 

Flomatic Corporation 
Glens Falls, NY 12801 
Phone (518) 761-9797 
Fax (518) 761-9798 

The Flomatic FDHC-100 is a high performance 
Digital positioner intended to control AC actuators, 

providing 450 points of resolution with quarter turn 

actuators ranging from 2 sec to 120 sec and rated for 

25% duty or more. The FDHC-100 has many automatic 

advanced features that will enhance any actuator while 
making it easy to install and set up. 

 

The simple three button control is used to configure all 

parameters the unit needs for a wide variety of 
applications, and allows the 

open 

and 

closed 

positions 

to be easily set for direct or reversing acting without 

any rewiring.  The unit can be configured for various 

command types (4-20mA, 1-5V, 0-5V, 0-10V, or a 
digital command) and its default operation upon loss of 

command. 

 

Various option modules are easily plugged into the unit, 

providing other features such as a position feedback 
signal (current or voltage), auxiliary switches, fault relay 

contact, or digital communications. A wide range of data is accessible through a digital communications 

module, providing additional control or information. 

 
The unit is of single solid construction and is easily mounted with two screws. The FDHC-100 is 

interchangeable with the AMC and LRC standard size controllers, and can be used to upgrade 

performance for those applications. 

 
FEATURES 
 

 

Positions to ±0.1° with quarter-turn actuators ranging from 2 sec to 120 sec (with or without a 
brake). 

 

 

Adaptive Control feature continuously adjusts for load and actuator conditions and eliminates 
calibration procedures and auto-cal operations. 

 

 

Three button control provides easy setup and eliminates the need for instrumentation. 

 

 

Polarity Detection feature allows direct or reverse acting operation without re-wiring. 

 

 

Electronic Brake feature can eliminate need for a mechanical brake in many applications, and 
extends mechanical brake life when used. 

 

 

Stall Detection feature protects actuator motor from a stall condition. 

 

 

Automatic Duty Cycle Control feature prevents shutdown of a process due to a thermal overload of 
the actuator motor, and allows actuators rated for 25% duty or more to be safely used. 

 

 

Operating temperature range of 0 to 60°C

 

FDHC-100 / FDHC-100C 117VAC (CE ready) 

FDHC-100A / FDHC-100D 234VAC 
FDHC-100B /FDHC-100D 24VAC (CE ready) 

Summary of Contents for FDHC-100

Page 1: ...lt relay contact or digital communications A wide range of data is accessible through a digital communications module providing additional control or information The unit is of single solid construction and is easily mounted with two screws The FDHC 100 is interchangeable with the AMC and LRC standard size controllers and can be used to upgrade performance for those applications FEATURES Positions...

Page 2: ... Operation Manual FDHC 100 Configuration Operation Man Rev 0 August 16 2010 2 of 14 Flomatic Corporation Glens Falls NY 12801 Phone 518 761 9797 Fax 518 761 9798 Digital High Resolution OUTLINE FDHC 100 FDHC 100C 117VAC CE ready FDHC 100A FDHC 100D 234VAC FDHC 100B FDHC 100E 24VAC CE ready ...

Page 3: ...mes in three versions to accommodate different voltage applications The FDHC 100 and FDHC 100C are rated for 117 VAC 10 the FDHC 100A and FDHC 100D are rated for 234 VAC 10 and the FDHC 100B and FDHC 100E are rated for 24 VAC 10 The unit is easily mounted with 2 screws and is equipped with removable screw terminals that provide for easy field wiring The unit s size mounting and screw terminals are...

Page 4: ...rovides an auxiliary 5V output which can be used to connect a command potentiometer By connecting one end of a potentiometer to pin 7 the other end to pin 4 and the wiper to pin 6 a local control knob can be implemented Pin 8 provides an auxiliary 15VDC output which can be used to power an input or output 4 20mA transmitter ACTUATOR J1 The actuator motor and feedback potentiometer are connected to...

Page 5: ...l Pot Cal indicator will turn on steady to indicate that the unit is being controlled by the Override Input Shorting J7 pin 1 to pin 2 returns the unit to normal operation and the previously selected mode Note that earlier models may not have connector J7 and therefore do not have the OVERRIDE mode feature Controlling the FDHC 100 from the Override Input is accomplished by connecting a specific re...

Page 6: ...ed when using one of the analog command types and can be used to override the analog command The AUTO indicator will flash whenever the unit is being controlled by the communications module MANUAL FB POT CAL The MANUAL FB POT CAL function allows manual operation of the actuator by using the adjust buttons and without affecting any other settings within the FDHC 100 When the button is pressed the m...

Page 7: ... used to drive an alarm or merely act as an auxiliary limit switch Upon selecting the AUX CLOSE OUTPUT function the FDHC 100 will begin moving the actuator to the previously set position It is not necessary to make an adjustment if the unit has been previously set to the desired position AUX OPEN OUTPUT The AUX OPEN OUTPUT function is used to set an optional output setting that is associated with ...

Page 8: ... can be adjusted using the adjust buttons to any value from 0 to 10V for a voltage output or 0 to 20mA for a current output The new setting is then associated with the closed position Pressing the MODE button again will leave the unit in the AUX POSITION OUT CAL function except that the OPEN indicator will flash and the output voltage or current associated with the open position will appear at the...

Page 9: ...hes employed in actuators essentially disconnect one of the motor windings The FDHC 100 will detect this as a motor stall To avoid this condition the limit switches must be set outside of the operating range set by the CLOSE and OPEN functions ELECTRONIC BRAKE FEATURE The Electronic Brake feature of the FDHC 100 provides highly reliable and accurate braking of the motor and it is a key element in ...

Page 10: ...resume continuous operation The duty cycle period is approximately 2 seconds with an on time that automatically various depending on the heating of the motor While this operation slows down the actuator s operation it does not impact the resolution performance of the FDHC 100 and it prevents disruption of a process due to a thermal switch shutdown OPTION MODULES Various option modules can be plugg...

Page 11: ... 8 125mA maximum not including option module 5V OUT J2 7 5mA maximum NOTE Do not connect these outputs to other power supplies AC MOTOR OUTPUTS Off state Leakage Current 15mA Maximum Load Current 60 C 5A ENVIRONMENTAL Operating Temperature Range 0 C to 60 C Storage Temperature Range 40 C to 85 C Relative Humidity Range 0 to 90 non condensing CE CERTIFICATION FDHC 100D only EN55011 Class A RF Emiss...

Page 12: ...roller Configuration and Operation Manual FDHC 100 Configuration Operation Man Rev 0 August 16 2010 12 of 14 Flomatic Corporation Glens Falls NY 12801 Phone 518 761 9797 Fax 518 761 9798 FDHC 100 FDHC 100 FDHC 100 FDHC 100 WIRING DIAGRAMS Input Signal Configurations ...

Page 13: ...roller Configuration and Operation Manual FDHC 100 Configuration Operation Man Rev 0 August 16 2010 13 of 14 Flomatic Corporation Glens Falls NY 12801 Phone 518 761 9797 Fax 518 761 9798 FDHC 100 FDHC Series FOTR 100 Option Module WIRING DIAGRAMS Special Applications ...

Page 14: ...er Configuration and Operation Manual FDHC 100 Configuration Operation Man Rev 0 August 16 2010 14 of 14 Flomatic Corporation Glens Falls NY 12801 Phone 518 761 9797 Fax 518 761 9798 FDHC Series FDHC Series FAMM 100 FAMM 100 WIRING DIAGRAMS Special Applications continued ...

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