Summary of Contents for Hy-Gain DCU-1
- Page 1 Digital Control Unit for HAM-IV and T-2X Model DCU-1/ DCU-1X Instruction Manual 308 Industrial Park Road Starkville, MS 39759 USA PH: 662-323-9538 FAX: 662-323-6551...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page Chapter 1- Installation and Operation ....................1-1 Section 1. Components of the DCU-1 "Pathfinder" digital Control Unit.......... 1-1 General ............................. 1-1 Section 2. DCU-1 Digital Control Unit Specifications..............1-2 Section 3. Precautions........................1-3 Section 4. Installation......................... 1-4 Section 5. - Page 3 LIST OF ILLUSTRATIONS Page Front View ......................1-2 Back ........................1-2 Control Cable Connector Attachments ..............1-5 DCU-1 Display ...................... 1-7 Wiring Guide ......................1-9 Command ......................1-9 Sample Program....................1-10 Front Panel PCB ....................1-14 Control PCB and External Components ..............1-14...
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Page 4: Chapter 1 Installation And Operation
CHAPTER 1 INSTALLATION AND OPERATION Section 1. Components of the DCU-1 "Pathfinder" Digital Control Unit General Description Your existing rotator unit (HAM IV, T2X, or The DCU-1 "Pathfinder" digital control unit fea- compatible) must be connected to the control tures 6 memory presets, automatic brake delay unit with an 8-wire cable. -
Page 5: Section 2. Dcu-1 Digital Control Unit Specifications
Section 2. DCU-1 Digital Control Unit DCU-1 Digital Control Unit Specifications: Size 8.5"x4.3"x9.0" (W x H x D) (21.6 x 11.0 x 22.8 cm) Control Unit Display: Type Gas Plasma, Amber filter Scale 5 degree (Analog), 1 degree (Digital) Blanking... -
Page 6: Section 3. Precautions
If this equipment does cause harmful interference to radio or television The DCU-1 Control Unit is not weatherproof and reception, which can be determined by turning the must be located in a house or other protected equipment off and on, the user is encouraged to location. -
Page 7: Section 4. Installation
Older HAM-M, II, III or IV and older T2X units may be sluggish at temperatures less than 0 degrees F. The DCU-1 checks for rotator movement upon pressing "START", and if no movement is detected within 8 seconds, it will stop trying to... -
Page 8: Section 5. Wiring And Check Out
Section 5. Wiring and Check-Out Wiring and Check-Out 3. If this is a new installation, assemble the l. Write down the colors of the wires attached to rotator cable as shown in Figure 3, or your existing rotator control unit: purchase a pre-assembled cable. - Page 9 Belden 8448 Belden 9405 IEWC #8612 Table 2 5. The DCU-1 display should look similar to the 6. If the current bearing display shows a number display shown in Figure 4. The numeric between "000" and "359", then proceed. Twist...
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Page 10: Dcu-1 Display
DCU-1. power is disconnected for a long period of time. You may use previously stored memory presets The center of rotation can be selected as any and the knob to select new bearings. -
Page 11: Section 6. Operation Of Dcu-1 Control Unit
Section 6. Operation of DCU-1 Control Operation of DCU-1 Control Unit Precautions: Normal Operation 1. Thermal Protection: If the rotator fails to turn The numeric display in the lower left corner and after 4 or 5 minutes of continuous operation, the outer circle tick mark always indicates the the thermal switch has come into play. -
Page 12: Computer Operation
The cable which is attached to the computer and The DCU-1 may be controlled from your to the DCU-1 should have a DB9 male connector computer via a RS-232 cable connection. The at one end and either a DB9 female or DB25 rear panel has two (2) RS-232 connectors. - Page 13 A sample BASIC program is shown in Figure 7 After a command is sent to the DCU-1, all other motor and brake operation is automatic. There which can be used to control operation of the are no provisions at this time to send current DCU-1.
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Page 14: Section 7. Troubleshooting
ONLY with Hy-Gain HAM-IV (type) connector wiring carefully between the rotator and T2X rotator systems. Do not try to use this and the DCU-1 control box. Pin #1 must attach to control on other systems! Pin #1, etc... Incorrect wiring will burn out the rotator potentiometer and void the warranty. -
Page 15: Ground Wires
Unintentional grounds on cable leads can burn See Table 2. For cable runs over 300 feet, you out the line fuse in the DCU-1 control box or may wish to move the motor capacitor to the burn out the potentiometer in the rotator. If pin tower. -
Page 16: Checking The Control Unit Voltages
To check the control unit voltages, first remove You have 8 seconds after pressing "START" to the rotator control cable from the DCU-1 control make each measurement. The DCU-1 checks for box, then plug the line cord into a 110 VAC... -
Page 17: Section 8. Dcu-1 Control Unit Block Diagrams
Section 8. DCU-1 Control Unit Block Diagrams Figure 8 Front Panel PCB Figure 9 Control PCB and External Components... - Page 18 Section 9. DCU-1 Control Unit Replacement Parts Part Description Qty 870804 DCU-1 Assembly, 120 V................1 870842 DCU-1 Assembly, 220 V................1 1034403 Fuse 3 Amp 3 AG (120 VAC) ..............1 (710053) Fuse i AMP 5 x 20 mm (220 VAC) ............1 1056300 Fuse Holder (120 VAC)................1...
- Page 19 DCU-1 Control Unit Replacement Parts List (continued) Part Description 870806 Transformer Assembly, (120 VAC)............1 1073501 Transformer Assembly, (220 VAC)...........….....1 870807 PCB Assembly, front panel............…....1 870808 PCB Assembly, control.……..............1 8800102114 Connector D, 9 pin, male (Part of 870848 Wire Assembly) ...... 1 8800102132 Connector D, 9 pin, female (Part of 870848 Wire Assembly) ....
- Page 20 Hy-Gain Warrants to the original owner of this product, if manufactured by Hy-Gain and purchased from an authorized dealer or directly from Hy-Gain to be free from defects in material and workmanship for a period of 12 months for rotator products and 24 months for antenna products from date of purchase provided the following terms of this warranty are satisfied.
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