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For actuators built after
January 2000 with RETRACT /
ELECTRIC ACTUATORS FOR INDUSTRIAL PROCESS CONTROL
INTRODUCTION TO THE MANUAL The Group 14 linear drive is a powerful control This manual contains the information needed package designed to provide precise position to install, operate, and maintain the Beck control of globe valves and other devices requiring 14-100 & 14-200 linear electronic control drives, manufactured by Harold Beck & Sons, Inc. of up to 4,000 lb of thrust. Newtown, Pennsylvania. NOTICE: This manual includes information that will make installation simple, efﬁcient
CONTENTS Product Description ...........................................................................................................................4 General Speciﬁcations .....................................................................................................................5 Outline Drawings ..............................................................................................................................6 Installation .........................................
PRODUCT DESCRIPTION Beck Group 14 linear control drives are Beck’s ESR-4 Electronic Signal Receiver engineered for precise, reliable operation of globe provides precise drive control from either valves requiring up to 4,000 lbs of thrust. The conventional analog or computer-based control cool, stable operation of Beck’s control motors systems. coupled with the powerful gear train provide the Beck’s CPS-2 Contactless Position Sensor tight, responsive control required by modern provides ac
GENERAL SPECIFICATIONS Input Power 120 V ac single phase 50 or 60 Hz; 48, 72 or 180 watts Allowable Tolerance 240 V ac single phase 50 or 60 Hz +10%, -15% Model 120 V ac 240 V ac Feedback Contactless Position Sensor Max. Current 14-100 .56 A 72 W .33 A 80 W (CPS-2) and Power 14-200 1.5 A 180 W .86 A 210 W Feedback Signal 1–5 mA 4–20 mA 10–50 mA Operating Temperature -40 to 85°C. (-40 to 185°F.) 1–5 V dc 0 to 99% relative humidity 0–
PRODUCT DESCRIPTION OUTLINE DRAWING -- 5/16” to 2 1/8” travel (ALL DIMENSIONS IN INCHES) MODEL 14-100 MODEL 14-200 NOTE: Drives may be mounted in any orientation. Beck Model 14-100 & -200 6
OUTLINE DRAWING -- 3/4” to 4 1/2” travel (ALL DIMENSIONS IN INCHES) MODEL 14-100 MODEL 14-200 NOTE: Drives may be Beck Model 14-100 & -200 mounted in any orientation. 7
PRODUCT DESCRIPTION TABLE 2: SUMMARY OF GROUP 14 CONTROL OPTIONS 8
INSTALLATION SAFETY PRECAUTIONS Mounting The Drive On A Valve WARNING Refer to Figure 1, below, to identify the mounting parts and the steps to install the drive Installation and service instructions for onto the valve. use by qualiﬁed personnel only. To avoid 1. Prepare the valve. It may be necessary to injury and electric shock do not perform remove parts that are no longer used or to any servicing other than contained in the replace or adjust packing. Refer to the valve operation
INSTALLATION MOUNTING THE DRIVE, CONT’D. INSTALLATION—ELECTRICAL Two conduit connections are provided in 5. Place the jam nut (7) and travel index (6) over every Beck Group 14 drive for supplying power the valve stem (11) before mounting the drive and signal wiring to the unit. A sealant must be on the valve. used on threaded conduit connections to keep 6. Remove the boss nut (8) from the valve and moisture out. Conduit should be routed from place the drive and yoke over the stem an
INSTALLATION WIRING The Group 14 drive is available with six separate control configurations which are provided to match the control requirements for your system. Typical functional wiring connections for each control option are described in the following paragraphs and diagrams. The wiring diagram speciﬁc to each drive is attached to the inside of the wiring terminal cover. Feedback connections for drives incorpor- ating the Contactless Position Sensor (CPS-2) for control options 6
INSTALLATION WIRING Option 8, Modulating without External Feedback Signal Analog Position Control with Contactless Position Sensing Customer must supply two wires to power the drive: One 120 V ac line (terminal C), and one neutral (terminal B). Customer must supply two wires for the modulating analog control signal: Connect to terminal AA (+) and to terminal BB(-). Option 7, Modulating Analog Position Control with Potentiometer Position Sensing Customer must supply two wires to power t
Option 4, Multi-Position Direct AC Control with Cam-Operated Switches to Stop Drive Travel Customer must supply three wires to directly control the drive motor direction: One 120 V ac line for Retraction (terminal M), one 120 V ac line for Extension (terminal N), and one neutral (terminal B). Up to ﬁve intermediate stop positions may be speciﬁed, each requiring an additional 120 V ac line. Option 3, Open / Close Direct AC Control Customer must supply three wires to directly control
INSTALLATION WIRING CPS-2 Model 20-3400-03, -13 Current Feedback Terminal Connections Where R = Resistor (Ohms) Connected from DD to EE The universal model has current sensing I = Output Current Span (Amp) terminals, which allow for various current signal ranges. Current output is available between If converting to a zero-based range (a range terminals DD (+) and CC (-) with the proper ranging that includes zero as an end point), refer to resistor connected across terminals DD and EE
INSTALLATION WIRING OPTIONS limited only by the controller’s (signal source) INPUT SIGNAL OPTIONS capability to feed current into the total resistance Beck Group 14 drives conﬁgured for milliamp of the circuit involved. Consult the controller or dc analog modulating applications include an manufacturer’s recommendations. Electronic Signal Receiver (ESR-4). Several No change is required to the drive’s cali- control options are available with the ESR-4, bration for series operation. An
INSTALLATION WIRING OPTIONS Split Range Operation Two or three Beck drives may be operated over their full range by a portion of the controller’s output signal range. The most common arrange- ment involves two drives operating on equal halves of the input signal range. For example, if a 4–20 mA control signal is used, the ﬁrst drive would move 100% of its stroke on a signal range of 4–12 mA, while the second operates on the 12–20 mA portion of the signal. In this case, the ESR-4 boar
INSTALLATION START-UP 5. Raise the drive shaft using the Handswitch START-UP INSTRUCTIONS until the plug is clear of the seat and there After the drive is mounted and its wiring is sufﬁcient clearance to make the following connections are made, it is ready to be tested for adjustment. proper operation. 6. Thread the valve stem out of the Tight-Seater™ Turn on the power supply. Operate the a fraction of a turn according to the valve stem drive with the Handswitch and run it through i
OPERATION switch cams, ﬁlm potentiometer, or CPS-2. Field HOUSING Calibar adjustment is generally used to shorten All models of the Beck Group 14 electronic the travel. Consult the factory if a longer stroke is control drive have individual, cast aluminum required. compartments for the main components: The control motor, wiring terminal board, drive train, electronic signal receiver, and feedback SELF-LOCKING section. Gasketed covers and sealed shafts MECHANISM (SLM) make this pro
CONTROL OPTIONS Two basic types of control are available: 120 V ac contact closure (options 3, 4, 5, and 6) and milliamp or dc analog modulating (options 7 and 8). Each option is described below. Open / close option 3: For simple 2-position control using manual push-buttons or an automatic controller. Preset travel limit switches provide open / close operation upon closure of an automatic controller or manually operated switch. Figure 4 Travel limits are adjustable over the full r
OPERATION INPUT: ESR-4, CONT’D. POSITION FEEDBACK: CONTACTLESS POSITION signal. The difference between these signals— the error—is ampliﬁed and used to actuate either SENSOR (CPS-2) of two electronic motor power switches. These The CPS-2 provides a continuous feedback switches drive the motor in the proper direction signal proportional to the position of the drive’s to force the error to zero. The input signal is output shaft. It is used for remote position adjustable from 50% to 4
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