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Summary of Contents for Minarik PCM4
- Page 1 USER’S MANUAL PROCESS CONTROL MODULE PCM4...
- Page 2 Corporation and its Divisions make no warranty of any kind with respect to this material, including, but not limited to, the implied warranties of its merchantability and fitness for a given purpose. Minarik Corporation and its Divisions assume no responsibility for any errors that may appear in this manual and make no commitment to update or to keep current the information in this manual.
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Page 3: Safety Warnings
Safety Warnings • This symbol denotes an important safety tip or warning. Please read these instructions carefully before performing any of the procedures contained in this manual. • DO NOT INSTALL, REMOVE, OR REWIRE THIS EQUIPMENT WITH POWER APPLIED. Have a qualified electrical technician install, adjust and service this equipment. -
Page 4: Table Of Contents
MM30000 series ......17 Multiple drives following a single signal input ..19 Master PCM4 with multiple drives following ..20... - Page 5 Calibration ........21 Signal Input Adjust .
- Page 6 Illustrations Figure 1. Process Control Module (PCM4) Dimensions ..2 Figure 2. Screw Terminal Block ......7 Figure 3.
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Page 7: Specifications
Specifications Power Requirements Line input 120/240 VAC, 50/60 Hz, single phase Input Signal Ranges (input circuit is isolated) Voltage signal Narrow range –25 to +25 VDC Wide range –250 to +250 VDC Current signal 1–5 mADC, 4–20 mADC, 10–50 mADC Input Impedance Voltage signal >25K ohms... -
Page 8: Dimensions
1.30 [33] 1.30 [33] 4.22 [107] 4.22 [107] 0.35 [9] 0.35 [9] 4x 0.25 [6] STANDOFF 4 x 0.25 [6] STANDOFF USE #8 PANHEAD SCREWS USE #8 PANHEAD SCREWS ALL DIMENSIONS IN INCHES [MILLIMETERS] Figure 1. Process Control Module (PCM4) Dimensions... -
Page 9: Introduction
Model PCM4 accepts a grounded or floating, bipolar, DC signal input and generates a proportional floating output voltage. The output of the PCM4 follows the variations of its input: it increases as the signal increases and decreases as the signal decreases. -
Page 10: Installation
Mount the PCM4 in either a horizontal or vertical plane. • The PCM4 is mounted using 4 – 0.25 inch [6mm] standoffs. See Figure 1, page 2 for the physical locations of these standoffs. Use #8 panhead screws to fasten the standoffs to... -
Page 11: Wiring
Installation Wiring Warning Do not install, remove, or rewire this equipment with power applied. Failure to heed this warning may result in fire, explosion, or serious injury. Circuit potentials are at 120 or 240 VAC above ground. To prevent the risk of injury or fatality, avoid direct contact with the printed circuit board or with circuit elements. -
Page 12: Shielding Guidelines
AC line filtering devices, or to mount the drive in a less noisy environment. Logic wires from other input devices, such as motion controllers and PLL velocity controllers, must be separated from power lines in the same manner as the logic I/O on the PCM4. -
Page 13: Screw Terminal Block
Installation Screw terminal block Connections to Minarik’s PCM4 are made to a screw terminal block. Using a screwdriver, turn the terminal block screw counter- clockwise to open the wire clamp. Insert stripped wire into the wire clamp. Turn the terminal block screw clockwise to clamp the wire. -
Page 14: Connections
Do not connect this equipment with power applied. Failure to heed this directive may result in fire or serious injury. Minarik strongly recommends the installation of a master power switch in the voltage input line. The switch contacts should be rated at 2 amps AC and 250 volts. -
Page 15: Figure 3. 115 Vac Power Connection
Installation C 5 0 3 I C 5 0 4 S W 5 0 1 P 5 0 1 C O M I N P U T 1 INPUT 2 C 5 0 4 T B 5 0 1 A C P O W E R AC POWER 1 1 5 V A C 115 VAC... -
Page 16: Input Signal Connections
Use insulated shielded wire or twisted pair for PCM4 input and output signal leads longer than 18 inches. Connect the shielding to earth ground at the end away from the PCM4 and trim the exposed shielding at the PCM4 to preclude accidental grounding of the PCM4. -
Page 17: Master Signal Generator
The PCM4 can be used as a master controller to: (1) provide a floating DC master voltage input to other PCM4 modules interfacing with standard variable speed drives or (2) to drive several variable speed drives directly, provided that their circuit design permits wiring of their speed circuits in common. - Page 18 Installation Bipolar input is necessary to control motor reversals when the motor is being driven by a four quadrant, regenerative variable speed drive. To wire the external master control potentiometer to provide a bipolar, adjustable voltage input signal, wire the potentiometer across the –15 and +15V supply terminals, with the CW end at +15V.
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Page 19: Figure 6. Unidirectional Manual Master Signal Source Connection
Installation C O M I N P U T 1 I N P U T 2 C 5 0 4 10K OHM 1 0 K O H M S P E E D A D J U S T SPEED ADJUST P O T E N T I O M E T E R POTENTIOMETER ( N O T P R O V I D E D ) -
Page 20: Output Voltage Connections
The PCM4 output is a floating DC voltage. It is brought into the speed setting circuit of a variable speed drive to replace the main... - Page 21 Installation Most Minarik SCR–type, non-regenerative drives are designed with the speed setting voltage positive with respect to board common. The positive external signal is brought to the “speed pot wiper” terminal, usually designated S2, and the common signal lead to the “speed pot CCW’ terminal usually S1.
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Page 22: Figure 8. Connection - Output Voltage
Installation PCM4 XL / XLT P C M 4 XL/XLT SERIES DRIVE SERIES DRIVE T B 5 0 2 0 - +5 VDC OUTPUT + 5 V D C O U T P U T MM20000 PCM4 PCM 4 MM20000... -
Page 23: Multiple Follower Requirements
Minarik’s MM30000A series drives can be operated with their boards sharing one common. This series of drives is the only Minarik series that permits more that one drive to follow a single PCM4 module. See Figure 9. The number of MM30000-type drives that can be driven by one PCM4 is limited by the output impedance of the PCM4. -
Page 24: Figure 9. Connection - Multiple Follower System
Installation When using ratioing potentiometers, connect each MM30000 series drive to the master PCM4 as detailed in Figure 9. The input to the master PCM4 can be any of the standard single quadrant inputs discussed in this manual. M M 3 1 0 0 2 A D R I V E... -
Page 25: Multiple Drives Following A Single Signal Input
1. Check that all 3 DIP switches (SW501) , located near the center of the board, are in their OFF position. 2. Cut the left hand (CCW) pin of P501, the SIGNAL INPUT ADJ, off each PCM4. The figure below shows this trimmer potentiometer. S I G N A L... -
Page 26: Master Pcm4 With Multiple Drives Following
Figure 11 below. Master PCM4 with multiple drives following If a PCM4 is to provide the master input voltage signal as detailed on pages 14 - 15, dedicated PCM4s are again necessary. Each of the PCM4s must be modified as detailed on page 19. -
Page 27: Calibration
Calibration Warning Dangerous voltages exist on the PCM4 when it is powered. If the trimpots must be adjusted with power applied, use insulated tools and the appropriate personal protection equipment. BE ALERT. High voltages can cause serious or fatal injury. -
Page 28: Signal Input Adjust
TP and COM. The importance of this step is to scale the input signal voltage to keep it well within the range of the PCM4’s comparator chip. This calibration is only approximate. A tolerance of 0.2 Volts is acceptable. -
Page 29: Dip Switches
Warning Only one DIP switch should be ON at a time and only when the PCM4 is set up to follow a current signal. All three DIP switches must be OFF when following a voltage signal. Each DIP switch selects the range for input current following. -
Page 30: Input Signal Calibration
Select points as close to the range extremes as possible to minimize extrapolation error. The absolute maximum output from the PCM4 is 10 VDC. The minimum input voltage to the PCM4 that can produce 10 VDC output is 5 VDC. -
Page 31: Input Current Calibration
Calibration 5. Apply the higher voltage input. 6. Set MAX out adjustment to obtain the desired higher voltage output. 7. Apply the true maximum input voltage. 8. Check voltage at TP vs. COM to ensure that it is approximately 5VDC at the maximum input voltage. Adjust SIGNAL INPUT ADJ if necessary. -
Page 32: Troubleshooting
Troubleshooting Warning Dangerous voltages exist on the PCM4 when it is powered. High voltages can cause serious or fatal injury. Before troubleshooting Perform the following steps before starting any procedure in this section: 1. Disconnect AC line voltage from the PCM4 and variable speed drive. - Page 33 Solutions Motor attached to the 1. No output voltage 1. Recalibrate the drive does not run. from PCM4 (TB502). PCM4. If there is still no output send PCM4 to Minarik for repair. 2. Loose connections 2. Check connections between PCM4 and between TB502 and motor drive.
- Page 34 (TB502) input changes is changing as input changes. Recalibrate the PCM4. If voltage is still not changing send the drive to Minarik repair. 2. Loose connections 2. Check connections between PCM4 and between TB502 and motor drive.
- Page 35 Notes...
- Page 36 Notes...
- Page 37 Notes...
- Page 38 Notes...
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Page 39: Unconditional Warranty
Unconditional Warranty A. Warranty - Minarik Corporation (referred to as “the Corporation”) warrants that its products will be free from defects in workmanship and material for twelve (12) months or 3,000 hours, whichever comes first, from date of manufacture thereof. Within this warranty... - Page 40 901 East Thompson Avenue Glendale, CA USA 91201-2011 Tel: 1-800-MINARIK (646-2745) Fax: 1-800-394-6334 www.minarikcorp.com Document number 250–0152, Revision 5 Printed in the U.S.A – 4/01 North America $10.00, Outside North America $11.00...
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