Pelco Power Supply C653M D 9 03 User Manual

®
MCS Series  
Master Power Supply  
Installation/  
Operation Manual  
C653M-D (9/03)  
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  
 
DESCRIPTION  
The MCS Series consists of multi-output 24 VAC indoor power supplies. These power  
supplies provide output for 4, 8, or 16 cameras from a single source and come in 2, 5, 10,  
and 20 amp capacities. To compensate for voltage losses over long wire runs, 28 VAC  
outputs are also available on most models. The power supplies allow for 120 or 240 VAC  
line input. Higher capacity models can handle pan and tilt and receiver operation in addition  
to the camera when they are used with integrated systems such as the Spectra® dome and  
Esprit® Integrated Positioning System.  
Each output on the MCS “S” and “SB” (switched) Series models features its own LED  
power indicator and three-position switch (up = 24 VAC, center = off, down = 28 VAC). The  
switch lets you individually turn each output off or quickly select between 24 and 28 VAC  
without reconnecting wires.  
All MCS Series models are available with either glass fuses or self-resetting circuit  
breakers (poly switches). The following bullets explain the advantages and disadvantages  
of each type:  
Glass fuses provide more protection than circuit breakers because they act faster and  
are more precise. However, they are designed for one-time use and must be replaced  
when they blow.  
Circuit breakers reset themselves when the fault is corrected, which eliminates the  
need to replace fuses. However, they react more slowly, are affected by temperature,  
and are not nearly as accurate—the amount of current required to trip one can vary as  
much as 100 percent.  
Since circuit breaker models do not require fuses and automatically reset themselves after  
the fault is corrected, the breakers are not accessible.  
MODELS  
Model Number  
MCS4-2  
4
4
8
8
2
2
5
5
1
1
3
3
3
3
3
3
3
3
3
3
120/240  
120/240  
24  
24  
0.44  
0.44  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MCS4-2B  
MCS8-5  
X
X
X
X
X
X
X
X
X
X
X
X
120/240 24, 28 1.10/0.57  
120/240 24, 28 1.10/0.57  
120/240 24, 28 2.20/1.15  
120/240 24, 28 2.20/1.15  
120/240 24, 28 2.20/1.15  
120/240 24, 28 2.20/1.15  
120/240 24, 28 4.40/2.30  
120/240 24, 28 4.40/2.30  
120/240 24, 28 4.40/2.30  
120/240 24, 28 4.40/2.30  
MCS8-5B  
MCS16-10  
MCS16-10B  
MCS16-10S  
16 10  
16 10  
16 10  
16 16  
16 16  
MCS16-10SB 16 10  
MCS16-20  
MCS16-20B  
MCS16-20S  
16 20  
16 20  
16 20  
X
X
X
X
16 16  
16 16  
MCS16-20SB 16 20  
Pelco Manual C653M-D (9/03)  
3
 
APPLICATION EXAMPLES  
Table A contains examples of products and the number of units that can be powered by  
each power supply, and is based on the vA rating of each product.  
Table A. Product Capacity  
Power Supply Model  
MCS16-10/  
MCS16-10B/  
MCS16-10S/  
MCS16-20/  
MCS16-20B/  
MCS16-20S/  
MCS4-2/ MCS8-5/  
Product  
MCS4-2B MCS8-5B MCS16-10SB MCS16-20SB  
CCD Camera (12 vA maximum)  
DF5/DF5S with camera (3 vA)  
DF8A/PDF8 (12 vA maximum)  
Indoor Spectra® (30 vA)  
4
4
4
1
8
8
8
4
16  
16  
16  
8
16  
16  
16  
16  
Esprit® without wiper or  
IOC/IOP (50 vA)  
2
4
8
INSTALLATION  
To install an MCS Series Power Supply, perform the following steps:  
1. Punch out the necessary knockouts. (Two knockout holes are provided on the bottom  
for either 1/2-inch (1.27 cm) or 3/4-inch (1.91 cm) conduit fittings for the incoming  
(main) power. Six knockout holes are provided on the top for either 1/2-inch (1.27 cm)  
or 3/4-inch (1.91 cm) conduit fittings for the output (24-28V) power.  
2. Open the lid on the unit by removing the 8-32 Phillips screw.  
3. Install conduit fittings (not provided).  
4. Determine the location of the unit.  
5. Refer to Figure 1. Drill holes in the mounting surface (two of the mounting holes are  
inside the unit). Use the unit as a template.  
6. Attach the unit securely with four fasteners (not supplied) of the appropriate length.  
You can use fasteners up to 5/16-inch (0.80 cm) in diameter.  
CONCRETE  
WALL  
WALLBOARD  
WALL  
MOUNTING  
HARDWARE  
(NOT SUPPLIED)  
WOOD SCREW  
(NOT SUPPLIED)  
MOUNTING HARDWARE  
WITH ANCHOR OR TOGGLE  
BOLT (NOT SUPPLIED)  
Figure 1. Power Supply Mounting  
4
Pelco Manual C653M-D (9/03)  
 
INPUT CONNECTIONS  
WARNING: Pelco  
shall not be liable  
1. Verify that the on/off switch inside the box is OFF. On MCS “S” and “SB” (switched)  
models, verify that the switch for each output is at the center (OFF) position.  
for any damages re-  
sulting from incorrect wiring  
or improper loading of an  
MCS Series Power Supply.  
2. Refer to Figure 2 or 3. Remove the high-voltage compartment panel inside the box.  
Set the input voltage selector switch inside the compartment to the appropriate line  
voltage. The switch is set at the factory for 120 VAC line voltage.  
3. If you are using 120 VAC line voltage, go to step 4. If you have a fuse model and are using  
240 VAC line voltage, remove the 120 VAC fuse from the fuse holder directly above the  
power switch and install the appropriate fuse (refer to Table B). Find the fuse in the bag  
located inside the high-voltage compartment. (Extra fuses are supplied for spares.)  
WARNING: Units  
are equipped for  
120 VAC line volt-  
age at the factory. If you are  
using 240 VAC, you must  
change the main fuse (fuse  
models) and change the  
voltage selector switch. If  
240 VAC power is applied  
with the selector switch set  
to 120 VAC, the main fuse  
will blow (fuse models) or  
the thermal breaker will  
open (breaker models).  
4. Attach the 120/240 input wires to the flying leads in the compartment with the supplied  
wire nuts. Connect the black wire to the AC line lead. Connect the white wire to the AC  
neutral lead.  
5. Attach the input ground wire to the stud inside the compartment with the supplied  
washer and nut.  
6. Replace the access panel.  
Table B. Fuse Determination Table  
Line Voltage  
120 VAC  
240 VAC  
1 A  
1 A  
1.6 A  
1 A  
N/A  
N/A  
3 A  
N/A  
N/A  
5 A  
3 A  
N/A  
N/A  
0.5 A  
0.5 A  
1.6 A  
N/A - Model is not equipped with a primary input fuse; transformer is protected with thermal  
breaker.  
* -  
MCS4-2B uses a fuse for the high-voltage line input and provides breakers for the  
low-voltage output channels.  
OUTPUT CONNECTIONS  
CAUTION: Under  
light load conditions  
Perform the following steps to attach 24 VAC devices to the MCS Series Power Supply:  
and high power line  
1. Refer to Tables C and D in this manual or the wiring table on the unit’s lid to determine  
the output wiring needed for your devices.  
input voltage from the utility  
company, output voltage from  
the power supply (28 VAC taps  
only) may reach 32 VAC. This  
voltage can cause over-voltage  
damage on 24 VAC devices.  
Keep in mind, certain devices  
produce variable loads (due to  
heaters, blowers, and pan and  
tilt motion) and during mini-  
mum requirements may create  
a light load condition, causing  
excessive voltage. Therefore,  
Pelco recommends using a 28  
VAC tap only when the sup-  
plied wire size for the given  
load causes an unacceptable  
output voltage on the 24 VAC  
tap. Refer to Table D to deter-  
mine acceptable situations for  
the 28 VAC tap.  
2. Refer to Figure 2 (or Figure 3 for “S” and “SB” models) for the proper connector strip  
connections, and do one of the following:  
Regular MCS Models: For each device, attach one output wire to the COM  
(common) terminal. Attach the second wire to the appropriate 24V or 28V terminal.  
“S” and “SB” (Switched) Models: For each device, attach one output wire  
to the COM (common) terminal and the second wire to the 24/28V terminal.  
3. When you finish the wiring connections, double-check the installation for safety  
purposes.  
4. Power up the unit with the on/off switch. On MCS “S” and “SB” (switched) models,  
move the switch to the appropriate output voltage position (up = 24 VAC, down = 28  
VAC) to provide power.  
5. Use a voltmeter to verify that used outputs are at appropriate voltage levels.  
6. Close the lid and secure it using the 8-32 Phillips screw.  
Pelco Manual C653M-D (9/03)  
5
 
OUTPUT # 1  
(24 VAC)  
OUTPUT # 1  
(28 VAC)  
OUTPUT # 2  
(24 VAC)  
OUTPUT # 9  
(28 VAC)  
OUTPUT # 9  
(24 VAC)  
24V/28V  
COM  
24V  
28V  
1
2
3
4
5
6
7
8
9
10 11 12  
13 14 15 16  
1
2
3
4
5
6
7
8
9
10 11 12  
13 14 15 16  
Main Fuse  
COM  
ON  
Main Fuse  
OFF  
Power  
24V  
OFF  
28V  
OUTPUT 1 THRU 8  
OUTPUT 9 THRU 16  
HIGH VOLTAGE  
COMPARTMENT  
PANEL  
HIGH VOLTAGE  
COMPARTMENT  
PANEL  
Figure 2. MCS Unit Wiring Connector Diagram  
Figure 3. MCS “S” and “SB” Unit Wiring  
Connector Diagram  
Table C. Recommended Wiring Distances  
The following are the recommended maximum distances (transformer to load) and are  
calculated with a 10-percent voltage drop. (Ten percent is generally the maximum allowable  
voltage drop for AC-powered devices.) Distances are calculated in feet; values in parenthe-  
ses are meters.  
Input  
Voltage  
Total VA  
Consumed  
Wire Gauge  
18  
20  
16  
24 VAC  
10  
20  
30  
50  
283  
141  
94  
(86)  
(42)  
(28)  
(17)  
451  
(137)  
716  
358  
238  
143  
(218)  
(109)  
(72)  
225  
150  
90  
(68)  
(45)  
(27)  
56  
(43)  
28 VAC  
10  
20  
30  
50  
386  
193  
128  
77  
(117)  
(58)  
(39)  
(23)  
614  
307  
204  
122  
(187)  
(93)  
(62)  
(37)  
975  
487  
325  
195  
(297)  
(148)  
(99)  
(59)  
You can use Table D as a guide to determine the necessary wire gauge (AWG) for various  
cable distances that provide 24 VAC power. Or use it in a reverse fashion to determine the  
maximum allowable cable distance for a particular wire gauge. Table D applies when using  
2-conductor copper wire, with characteristics similar to West Penn 221-227 unshielded  
cable. Calculations are based on a 10-percent voltage drop (generally the maximum  
allowable drop for AC-powered devices).  
The minimum acceptable voltage is calculated as follows:  
24.0 VAC  
- 02.4 (10%)  
21.6 (Minimum Acceptable Voltage)  
The minimum acceptable voltage used to create Table D was 21.6 volts. Therefore, the  
24 volt output has an acceptable range from 24 volts down to 21.6 volts; the 28 volt  
output’s acceptable range is from 28 volts down to 21.6 volts.  
6
Pelco Manual C653M-D (9/03)  
 
Table D. Required Wire Gauge  
Required Wire Gauge Table (AWG)  
WIRE  
DIST  
(feet)  
Equipment Loads  
(VA)  
10VA  
12-14  
20VA  
30VA  
N/A  
40VA  
N/A  
50VA  
N/A  
60VA  
N/A  
70VA  
N/A  
80VA  
N/A  
90VA  
N/A  
100VA  
N/A  
200VA  
N/A  
12  
12  
12  
12  
12  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
16-18  
16-18  
16-18  
18-20  
18-20  
18-20  
20-22  
20-22  
22  
12-14  
12-14  
12-14  
12-14  
12-14  
14-16  
14-16  
14-18  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
12-14  
12-14  
12-16  
12-16  
12-16  
12-18  
12-18  
12-20  
12-22  
12  
12  
12  
12  
12  
12  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
12  
14-16  
14-16  
14-16  
14-18  
12  
12  
N/A  
N/A  
N/A  
N/A  
12  
12  
12  
N/A  
N/A  
N/A  
12-14  
12-14  
12-14  
14-16  
14-18  
12  
12  
N/A  
N/A  
N/A  
12  
12-14  
12-14  
12-14  
14-16  
12  
12  
N/A  
N/A  
12-14  
16-18  
12-14  
16-18  
12-16  
18-20  
12-18  
20-22  
12-20  
12  
12-14  
12-14  
14-16  
14-16  
12  
12  
N/A  
N/A  
12  
12  
12-14  
12-14  
14-16  
12  
12  
12  
N/A  
12-14  
16-18  
12-16  
18-20  
12-18  
20-22  
12  
12  
12  
12  
12-14  
14-16  
12-14  
14-16  
12-14  
12-14  
N/A  
12-14  
16-18  
12-18  
20-22  
12-14  
16-18  
12-16  
18-20  
12  
12  
12  
12  
12-14  
12-14  
12-16  
18-20  
12-16  
18-20  
12-14  
16-18  
12-14  
16-18  
12-14  
16-18  
N/A  
22  
Allowable Wire Gauge (AWG) Using 24 Volt Tap  
XX-XX  
XX-XX  
Allowable Wire Gauge (AWG) Using 28 Volt Tap  
N/A - Distance and Load Not Recommended For Any Wire Size Between 12-22 (AWG)  
MAINTENANCE  
There are no user-serviceable parts except for the fuses. If the transformer in the unit does  
not work properly, contact the factory for return information. Refer to the Warranty and  
Return Information section of this manual.  
Clean the outer surface of the power supply with a nonabrasive cleaning cloth and anti-  
static cleaner. Do not use kerosene or similar substances that may damage the surface.  
SPECIFICATIONS  
MECHANICAL  
Cable Entry:  
Knockouts for either 1/2-inch (1.27 cm) or 3/4-inch (1.91 cm)  
conduit  
Fuse Size  
All Fuse Models:  
All fuses are 5 x 20 mm  
ELECTRICAL  
Input Voltage  
All Models:  
120 or 240 VAC, 50/60 Hz  
Output Voltage  
MCS4-2:  
All Other Models:  
24 VAC  
24/28 VAC  
Required Input Current: See Models section  
Pelco Manual C653M-D (9/03)  
7
 
Output Fuse Ratings  
MCS4-2:  
MCS8-5:  
MCS16-10/16-10S:  
MCS16-20/16-20S:  
1 A  
3 A  
3 A  
3 A  
Output Circuit Breaker Ratings  
MCS4-2B:  
.9 A  
3 A  
MCS8-5B:  
MCS16-10B/16-10SB:  
MCS16-20B/16-20SB:  
Input Connectors:  
Output Connectors:  
Input Wire Size:  
Output Wire Size:  
Recommended Wiring  
Distances:  
3 A  
3 A  
Wire nut  
Screw-type barrier strips  
12-16 gauge solid wire  
12-22 gauge solid or stranded wire  
See Table C  
GENERAL  
Construction:  
Finish:  
Steel  
Black polyester powder coat  
Environment:  
Dimensions:  
Approximate Unit Weight: 21.75 lb (9.87 cm)  
Indoor  
16.13 (H) x 10.86 (W) x 4.37 (D) inches (40.97 x 27.58 x 11.10 cm)  
RATINGS  
NEMA 1  
(Design and product specifications subject to change without notice.)  
PRODUCT WARRANTY AND RETURN INFORMATION  
WARRANTY  
Pelco will repair or replace, without charge, any merchandise proved defective in material or  
workmanship for a period of one year after the date of shipment.  
If  
a
warranty repair is required, the Dealer must contact Pelco at (800) 289-9100 or  
(559) 292-1981 to obtain a Repair Authorization number (RA), and provide the following  
information:  
1. Model and serial number  
Exceptions to this warranty are as noted below:  
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice number  
3. Details of the defect or problem  
Five years on FT/FR8000 Series fiber optic products.  
Three years on Genex® Series products (multiplexers, server, and keyboard).  
If there is a dispute regarding the warranty of a product which does not fall under the  
warranty conditions stated above, please include a written explanation with the product  
when returned.  
Three years on Camclosure® and fixed camera models, except the CC3701H-2,  
CC3701H-2X, CC3751H-2, CC3651H-2X, MC3651H-2, and MC3651H-2X camera models,  
which have a five-year warranty.  
Method of return shipment shall be the same or equal to the method by which the item was  
received by Pelco.  
Two years on standard motorized or fixed focal length lenses.  
Two years on Legacy®, CM6700/CM6800/CM9700 Series matrix, and DF5/DF8 Series  
fixed dome products.  
RETURNS  
In order to expedite parts returned to the factory for repair or credit, please call the factory at  
(800) 289-9100 or (559) 292-1981 to obtain an authorization number (CA number if returned  
for credit, and RA number if returned for repair).  
Two years on Spectra®, Esprit®, ExSite, and PS20 scanners, including when used in  
continuous motion applications.  
Two years on Esprit® and WW5700 Series window wiper (excluding wiper blades).  
All merchandise returned for credit may be subject to a 20% restocking and refurbishing  
charge.  
Eighteen months on DX Series digital video recorders, NVR300 Series network video  
recorders, and EnduraSeries distributed network-based video products.  
Goods returned for repair or credit should be clearly identified with the assigned CA or RA  
number and freight should be prepaid. Ship to the appropriate address below.  
One year (except video heads) on video cassette recorders (VCRs). Video heads will be  
covered for a period of six months.  
If you are located within the continental U.S., Alaska, Hawaii or Puerto Rico, send goods to:  
Service Department  
Pelco  
Six months on all pan and tilts, scanners or preset lenses used in continuous motion  
applications (that is, preset scan, tour and auto scan modes).  
3500 Pelco Way  
Clovis, CA 93612-5699  
Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco  
shipment. All goods requiring warranty repair shall be sent freight prepaid to Pelco, Clovis,  
California. Repairs made necessary by reason of misuse, alteration, normal wear, or accident  
are not covered under this warranty.  
If you are located outside the continental U.S., Alaska, Hawaii or Puerto Rico and are  
instructed to return goods to the USA, you may do one of the following:  
If the goods are to be sent by a COURIER SERVICE, send the goods to:  
Pelco  
Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from  
the specific use or application made of the Products. Pelcos liability for any claim, whether  
based on breach of contract, negligence, infringement of any rights of any party or product  
liability, relating to the Products shall not exceed the price paid by the Dealer to Pelco for  
such Products. In no event will Pelco be liable for any special, incidental or consequential  
damages (including loss of use, loss of profit and claims of third parties) however caused,  
whether by the negligence of Pelco or otherwise.  
3500 Pelco Way  
Clovis, CA 93612-5699 USA  
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:  
Pelco c/o Expeditors  
473 Eccles Avenue  
The above warranty provides the Dealer with specific legal rights. The Dealer may also have  
additional rights, which are subject to variation from state to state.  
South San Francisco, CA 94080 USA  
Phone: 650-737-1700  
Fax: 650-737-0933  
REVISION HISTORY  
Manual #  
C653M  
Date  
3/99  
5/99  
8/99  
6/00  
8/02  
9/03  
Comments  
Original version.  
Revisions made because fuses are no longer in a bag but in holders. Added weight.  
Added material on the four “S” and “SB” (switched) power supply models.  
Changed fuse installation information. Updated compliance information.  
Added CE certification. Revised Important Safeguards and Warnings.  
Revised Important Safeguards and Warnings to advise against interconnecting outputs. Revised table of models to show which  
ones have Class 2 outputs.  
C653M-A  
C653M-B  
C653M-C  
C653M-D  
® Pelco, the Pelco logo, Spectra, Genex, Legacy, Esprit,  
and Camclosure are registered trademarks of Pelco.  
© Copyright 2003, Pelco.  
All rights reserved.  
 

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