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PEAKTRONICS
The Peaktronics DHC-300 is a high performance
digital positioner intended to control 3-phase actuators,
providing up to 450 points of resolution with quarter turn
actuators ranging from 5 sec to 120 sec and rated for 25%
duty or more. The DHC-300 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 applica-
tions, 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 DHC-300 is a Peaktronics
standard size positioner, and can be mounted with any
Peaktronics mounting kit for standard size controllers.
Can position to ±0.1, and can be used with quarter-turn actuators ranging from 5 sec to
120 sec.
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.
Stall Detection feature protects actuator motor from a stall condition.
Automatic Duty Cycle Control feature prevents shutdown of a process due to a ther-
mal overload of the actuator motor, and allows actuators rated for 25% duty or more to
be safely used.
Operating temperature range of 0 to 60C
FEATURES
DHC-300
Digital High-Resolution
3-Phase Controller
DHC-300
117VAC
DHC-300A
234VAC
DHC-300B
24VAC
U.S. Patent 7,466,100 applies to this product
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Table of Contents
Related Manuals for Peaktronics DHC-300A
Summary of Contents for Peaktronics DHC-300A
- Page 1 The unit is of single solid construction and is easily mounted with two screws. The DHC-300 is a Peaktronics DHC-300 117VAC standard size positioner, and can be mounted with any...
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Page 2: Electrical Connections
DHC-300 OUTLINE DHC-300 117VAC DHC-300A 234VAC DHC-300B 24VAC ELECTRICAL PEAKTRONICS CONNECTIONS Digital High Resolution DIGITAL AUTO 4-20mA MANUAL / FB POT CAL to Solid State Relay 1-5VDC CLOSE CONTROL 1 OUT LAST (BOTH OFF) CONTROL 2 OUT 0-5VDC OPEN AUX CLOSE OUTPUT... -
Page 3: Block Diagram
The DHC-300 is rated for 117 unit automatically and continuously sets all other parame- VAC 10%; the DHC-300A is rated for 234 VAC 10%, ters when placed in the AUTO mode. and the DHC-300B is rated for 24 VAC 10%. The unit is... -
Page 4: Override Mode
(J7 pin 1 and pin 2). While the OVERRIDE mode is acting applications. enabled, the MODE button and adjust buttons are disa- PEAKTRONICS U.S. Patent 7,466,100 applies to this product... - Page 5 (see MANUAL/FB POT CAL), and the limit switches the AUTO mode will control the position of the actuator should be set outside of the operating range (see STALL according to the command input signal. For an input sig- PEAKTRONICS U.S. Patent 7,466,100 applies to this product...
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Page 6: Command Type
(see COMMAND INPUT), the MODE button will not position - an appropriate relay option module is required select the LOSS OF COMMAND function. to use this output. The adjust buttons are used to set the PEAKTRONICS U.S. Patent 7,466,100 applies to this product... -
Page 7: Fault Indicator
To avoid this condition, the on until the signal is reconnected or back in range. limit switches must be set outside of the operating range set by the CLOSE and OPEN functions. PEAKTRONICS U.S. Patent 7,466,100 applies to this product... - Page 8 Loosen front panel screws and lift front panel up to Plug option module into J3, allow option module to plug in underneath. lock module in front panel slots, and retighten front panel screws. Option Module DHC Series Installing an Option Module PEAKTRONICS U.S. Patent 7,466,100 applies to this product...
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Page 9: Specifications
DHC-300 SPECIFICATIONS POWER REQUIREMENTS DHC-300: 117VAC 10%, 50/60 Hz DHC-300A: 234VAC 10%, 50/60 Hz DHC-300B: 24VAC 10%, 50/60 Hz 12 VA typical Fuse Type: 0.5A TR5 Time Delay (replaceable) COMMAND SIGNAL INPUT Input Impedance 20K ohms (1-5 VDC, 0-5 VDC, 0-10 VDC Input) 251 ohms 1% (4-20 mA Input) -
Page 10: Wiring Diagrams
4-20mA 4-20mA Transmitter DHC-300 DHC-300 Transmitter Command 135 ohm Slide Wire J2-5 J2-5 4-20mA 4-20mA 135 ohm Slide Wire Remote Command Pot using the 4-20mA Input Signal using the 4-20mA Input Signal PEAKTRONICS U.S. Patent 7,466,100 applies to this product... - Page 11 3 AUX Open Output NOTE: The Fault Output contact will 2 Fault Output OTR-100 only open when power is lost or when a fault condition exists. 1 Common Connecting a position feedback transmitter PEAKTRONICS U.S. Patent 7,466,100 applies to this product...
- Page 12 J7-2 OFF (optional) MANUAL Connecting an auto/manual station Mechanical Manual Override Switch Manual Override J7-2 Normal Operation Series J7-1 Connecting a mechanical manual override switch www.peaktronics.com PEAKTRONICS, Inc. 800-134H 1363 Anderson Clawson, MI 48017 Phone (248) 542-5640 FAX (248) 542-5643...
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