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®
PT780 Legacy Series
Pan/Tilts
Installation/
Operation Manual
C342M-D (8/05)
Pelco • 3500 Pelco Way, Clovis • CA 93612-5699 USA • www.pelco.com
In North America and Canada: Tel (800) 289-9100 or FAX (800) 289-9150
International Customers: Tel (1-559) 292-1981 or FAX (1-559) 348-1120
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CONTENTS Section Page 1.0 GENERAL ..................................................................................................5 1.1 IMPORTANT SAFEGUARDS AND WARNINGS ...............................5 2.0 DESCRIPTION ..........................................................................................6 2.1 MODELS ............................................................................................6 3.0 INSTALLATION .................................................................
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LIST OF ILLUSTRATIONS Figure Page 1 Removing the Screws ........................................................................8 2 Releasing the Covers ........................................................................8 3 Removing the Covers ........................................................................8 4 Hooking Cover Halves .......................................................................8 5 Tilt Limit Adjustment .........................................................
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(This page intentionally left blank.) 4 Pelco Manual C342M-D (8/05)
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1.0 GENERAL 1.1 IMPORTANT SAFEGUARDS AND WARNINGS Prior to installation and use of this product, the following WARNINGS should be observed. 1. Installation and servicing should only be done by qualified service personnel and conform to all local codes. 2. The weight of the camera/lens and enclosure shall not exceed 40 lb (18.14 kg) with 12VDC pan/tilts or 52 lb (23.59 kg) with 24 VAC or 120 VAC pan/tilts. 3. Only use replacement parts recommended by Pelco. 4. After replacement/repair of this u
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2.0 DESCRIPTION ® The PT780 Legacy Series pan/tilt units are designed for medium, indoor/outdoor use. Only Legacy Series enclosures can be mounted on the pan/tilt units. These enclo- sures are the EH4700L and EH5700L environmental enclosures and the EH8106L TM pressurized enclosure. Pelco’s RediLINK connector makes it simple and quick for you to install an enclosure. The weight of the enclosure with camera and lens must not exceed 40 pounds (18.14 kg) with the 12 VDC pan/tilt units or 52 pounds
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3.0 INSTALLATION 3.1 MOUNTING NOTE: To insure proper wiring and Attach the pan/tilt unit to a wall or ceiling mount. Follow the instructions that are operation of your equipment, it is rec- provided with the mount. Make sure the mounting surface and the selected mount can support four times the combined weight of the pan/tilt unit and the camera ommended that you test the pan/tilt enclosure (including the camera and lens). The pan/tilt unit weighs approximately unit and associated equipment i
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3.2 PAN AND TILT LIMIT STOP ADJUSTMENTS 1. Remove the covers. a. Refer to Figure 1 and remove the Phillips screw on each side of the pan/ tilt unit. b. Refer to Figure 2 and place your hands under the cover halves. Exert a strong, upward force to release the covers from their internal latching devices. c. Refer to Figure 3 and pull the cover halves away from the pan/tilt unit. d. Set the covers down or hang them by the eyelets inside the covers (refer to Figure 4). The wire and hook on which to
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2. Adjust the tilt limit stops. CAUTION: Never remove the tilt limit stops. Refer to Figure 5 for the location of the tilt limit stops. The tilt limit stop closest to the front of the pan/tilt unit limits the downward movement. The tilt limit stop closest to the back of the pan/tilt unit limits the upward movement. These movements are reversed if the pan/tilt unit is installed upside down. Loosen the screw in the limit stop that you want to adjust. Position the limit stop in the desired locatio
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3.3 ENCLOSURE INSTALLATION Attach the camera enclosure to the pan/tilt unit. Follow the instructions that are provided with the enclosure. 3.4 ELECTRICAL INSTALLATION ® 3.4.1 LRD41 Series Legacy Receiver/Drivers Connect the 37-pin round connector from the pan/tilt unit to the mating connector on the receiver/driver. ® 3.4.2 All Control Equipment Except LRD41 Series Legacy Receiver/Drivers Make the interconnecting cable to link the 37-pin round connector from the pan/tilt unit to the control e
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Refer to Figure 9 and the following steps to construct the cable: 1. Slide the unshielded and coaxial cables through the cable shell and rubber boot. 2. Strip one inch of the jacket from the cables. 3. For the unshielded conductors, strip 1/8 inch of insulation from the individual wires. 4. For the coax, unwrap the braid and twist it into a single conductor. Strip 1/8 inch of insulation from the center conductor. If you are using two coax cables - one for video output and one for camera synchron
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Figure 10. Wiper On/Off Connection 12 Pelco Manual C342M-D (8/05)
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Table A-1. 37-Position Connector Pin Designations for Pan/Tilts with EH4700L and EH5700L Enclosures Pin # Function PT780P PT780P/PP PT780-SL PT780-SL/PP PT780-24P PT780-24P/PP PT780-24SL PT780-24SL/PP PT780-VS PT780-VS/PP PT780-VSSL PT780-VSSL/PP Coaxial Cable 27/4 Video Signal/Ground • • • • 30/4 Sync Signal/Ground (B) (B) (B) (B) Unshielded Conductors 3 Left • • • • 7Right •• •• 6Up • • • • 5 Down • • • • 1 Common (A) (A) (A) (A) 8 Safety Ground • • • • 10 Iris (B) (B) (B) (B) 11 Fo
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Table A-2. 37-Position Connector Pin Designations for Pan/Tilts with EH8106L Enclosures Pin # Function PT780P PT780P/PP PT780-SL PT780-SL/PP PT780-24P PT780-24P/PP PT780-24SL PT780-24SL/PP PT780-VS PT780-VS/PP PT780-VSSL PT780-VSSL/PP Coaxial Cable 27/4 Video Signal/Ground • • • • Unshielded Conductors 3 Left • • • • 7Right •• •• 6Up • • • • 5 Down • • • • 1 Common (A) (A) (A) (A) 8 Safety Ground • • • • 10 Iris (B) (B) (B) (B) 11 Focus • • • • 12 Zoom • • • • 9 Camera Power • • • •
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Table B. Requirements to Wire Power to Pan and Tilt Motors Maximum Cable Length* Wire Size 6 Conductors** 7 Conductors*** 5 Conductors**** 120 VAC PT780P Models 20 AWG 1,370 ft (417 m) 2,745 ft (836 m) 18 AWG 2,180 ft (664 m) 4,370 ft (1,331 m) 16 AWG 3,470 ft (1,057 m) 6,940 ft (2,115 m) 24 VAC PT780-24P Models 20 AWG 59 ft (17.98 m) 118 ft (35.96 m) 18 AWG 94 ft (28.65 m) 188 ft (57.30 m) 16 AWG 149 ft (45.41 m) 298 ft (90.83 m) 12 VDC PT780-VS Models 20 AWG 24 ft (7.3 m) 18 AWG 38 ft (11.
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Table C. Maximum Cable Distances Using RB24 or RB115 Relay Boxes Wire Size Maximum “A” Maximum “B” Distance Distance A B 20 AWG* 5,800 ft (1,768 m) 18 AWG 8,250 ft (2,515 m) Use Table B 16 AWG 13,000 ft (3,962 m) RELAY CONTROL * Not recommended for reliable service between control and relay box. BOX NOTE: Relay boxes can not be used with 12 VDC pan/tilts. REQUIRED EXTERNAL POWER SUPPLY 16 Pelco Manual C342M-D (8/05)
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Table D. Requirements to Wire Power to Camera Enclosure EH8106L: Power for the camera and heaters are separate. Refer to your camera manual for the camera wattage to determine the size of wire to use. Wire camera power through pins 9 and 14 of the 37-pin connector. The heaters use a total of 80 watts; wire through pins 15 and 16 of the 37-pin connector. EH4700L and EH5700L: To determine the wire gauge to use, add up the wattages for the different accessories inside your enclosure. CAUTION: T
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Table F. 24 VAC Wiring Distances Chart The following are the recommended maximum distances for 24 VAC applications and are calculated with a 10-percent voltage drop. (Ten percent is generally the maximum allowable voltage drop for AC-powered devices.) Wire Gauge EXAMPLE: An enclosure that re- quires 80 vA and is installed 35 feet 20 18 16 14 12 10 (10 m) from the transformer would 10 283 451 716 1142 1811 2880 require a minimum wire gauge of (86) (137) (218) (348) (551) (877) 20 Awg. 20 141 225
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4.0 OPERATION Refer to the manual for your control equipment for operating the pan/tilt unit. If your enclosure has the heater blanket option, it is thermostatically controlled to turn on at 40° F (4.44° C) and turn off at 60° F (15.56° C). The heater blanket allows operation of the pan/tilt unit to -50° F (-45.56° C). Pelco Manual C342M-D (8/05) 19
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5.0 MAINTENANCE If you need to remove the enclosure, protect the RediLINK™ connector area against moisture, dust, dirt, etc. Failure to do so could result in a bad connection. Also, damage to the pan/tilt unit or enclosure could occur when power is turned on. The following servicing should be done every six months with average use. 1. Remove the PT780’s outer casing. (Refer to step 1 under Section 3.2, PAN AND TILT STOP LIMIT ADJUSTMENTS.) 2. Inspect the gaskets around the cover, tilt shaft, an
