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ADDENDUM
Addendum No.: C1577M-A
Date: August 4, 2004
Manuals Affected: CM9760 Series Manuals – C538M-A, C539M-A, C540M-B, C541M-C, C542M-B,
C543M-A, C544M, C549M-A, C572M, C573M-D, C578M, C579M, C1501M, C1503M,
C1510M-QS, C1510M-A, C1520M-B, C1528M-D, C1940M, C1941M, C1942M, and
C1943M
Manual Update: The CM9760-CC1 has been replaced with the CM9700-CC1 and the CM9760-MGR manage-
ment software has been replaced with the CM9700-MGR management software.
Keep the following in mind when referring to
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® CM9760-REL ® System 9760 Relay Interface Unit Installation/ Operation Manual C538M-A (3/04) Pelco World Headquarters • 3500 Pelco Way, Clovis, CA 93612-5699 USA • www.pelco.com USA & Canada: Tel: 800/289-9100 • Fax: 800/289-9150 International: Tel: 1-559/292-1981 • Fax: 1-559/348-1120
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CONTENTS Section Page 1.0 GENERAL ................................................................................................... 3 1.1 IMPORTANT SAFEGUARDS AND WARNINGS ................................ 3 2.0 DESCRIPTION ........................................................................................... 4 2.1 MODELS ............................................................................................ 4 3.0 PRE-INSTALLATION INFORMATION ..........................................
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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. Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X ,6 or 6P enclosure, it is designed for indoor use only and it must not be installed where exposed to rain and moisture. 3. Only use replacement parts recommended by Pelco.
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2.0 DESCRIPTION ® The CM9760-REL Relay Interface Unit is an optional accessory of the System 9760 . The relay interface unit provides dry contact switching for direct or automatic con- trol of peripheral equipment. The unit connects to any RS-422 COMM port on the rear of the CM9760-CC1. Some of the more important features of the CM9760-REL are as follows: • Each unit provides up to 64 single-pole, single-throw (SPST) contact outputs for operating different peripheral equipment. • Relay output
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3.0 PRE-INSTALLATION INFORMATION 3.1 FRONT VIEW AND DIP SWITCH ACCESS Figure 1 illustrates a front view of the unit with its front panel removed. Power (green) and Data (red) LEDs occupy opposite ends of the unit’s front panel. As illustrated, the removal of the five flat-head Phillips screws that hold the front panel in place allow access to the units three DIP switches and the reset switch. All other switches and connectors are on the rear of the unit. 3.1.1 DIP Switches The relay interface
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3.2 REAR VIEW The rear of the unit is illustrated in Figure 2. From left to right are the following: 1. Four blocks consisting of 16 contact pairs, each with mating plugs for the at- tachment of peripheral equipment. (Only the block for the first 16 contact pairs is shown with mating plugs.) 2. RS-422 input/output communication connectors (RJ-45 type). 3. One DB-9 connector (factory use only). 4. The grouped input power functions, consisting of input power terminals, a fuse and an ON/OFF switc
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3.2.1 REL Contact Pair Connections NOTE: The numbers that appear Physically, each relay block consists of 16 relay contacts and two mating plugs. Since a relay contact requires two terminal positions, each plug provides 8 contacts on the mating plugs in Figure 3 are via 16 screw terminals. placed there for explanatory pur- poses only. The terminal positions To determine the screw terminal pin numbers for a particular contact, refer to on the actual physical plugs are not Figure 3. numbered. Fi
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3.2.2 External Relay Wiring Considerations Components of external relay wiring are illustrated in Figure 4. 3.2.3 Communication Connectors Communication to and from the unit is provided through two RJ-45 ports on the rear of the CM9760-REL. The ports are physically referenced as IN and OUT ports. The RJ-45 IN connector allows the REL unit to be connected to an appropriate Sercom port on the rear of a CM9760-CC1 controller. This port is factory set for RS-422 communications. The RJ-45 OUT female
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3.2.3.2 RJ-45 Data Cables NOTE: Use the supplied “flipped” Because both RJ-45 connectors have the same wiring pin-outs, they require the same “flipped” cable. In other words, the IN connector requires a “flipped” cable for or reverse cable for all data con- connecting the first unit to the CC1, and the OUT connector requires a “flipped” nections to the relay unit whenever cable for cascading other units. A “flipped” cable is as follows: Pin 1 of the cable at possible. one end becomes pin 8 at
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3.2.4 Power Connections The CM9760-REL utilizes an auto-ranging internal transformer circuit that allows input power to range from 100-240 VAC, 50/60Hz. Associated with the input power is the power ON/OFF switch and the input power fuse. The fuse is easily changed as illustrated in Figure 7. Figure 7. Power Input Fuse Replacement 10 Pelco Manual C538M-A (3/04)
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3.3 SETUP 3.3.1 Preliminary Discussion NOTE: At present, 700 GPIs are FRAME ADDRESSES available per system node. This The IRC, VCRC, and the CM9760-REL Relay Interface Unit, all use software GPIs limit must be kept in mind when to activate control of external devices. configuring cascaded systems. Some devices utilize more GPIs The number of GPIs required by each hardware device varies. The number of GPIs and therefore more Frame Address (General Purpose Interfaces) required by the REL is eig
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When setting frame addresses on the front panel switches for a group of daisy- NOTE: Figure 9 does not neces- chained REL units, keep in mind a few working rules: sarily represent the order in which REL units are physically con- WORKING RULES nected together (for that, refer to Figure 14). 1. Start with frame address 0, which is associated with physical GPI 1, and work sequentially forward until all relay interface units are accounted for. Insure that Figure 9 does illustrate that frame frame a
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3.3.2 DIP Switch Settings DIP switch settings are illustrated and discussed in Figure 10. Figure 10. DIP Switch Functions Pelco Manual C538M-A (3/04) 13
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Table A. Frame Address, GPI Range Association Daisy-Chained Frame Sub-Frame Combined Associated GPI Range Relay Units Addresses Addresses Frame/Sub-Frame Eight Required GPI #’s Associated Running Total SW2 SW3 Addresses with a Frame/Sub-Frame Address 12 3456 1 2 FA/SFA 1234567 8 100 0000 0 0 0 1234567 8 0 200 0000 1 0 0 910 1112131415 16 1 300 0000 0 1 0 17 18 19 20 21 22 23 24 2 400 0000 1 1 0 25 26 27 28 29 30 31 32 3 510 0000 0 0 1 33 34 35 36 37 38 39 40 0 610 0000 1 0 1 41 42 43 44 45 46
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Table A. Frame Address, GPI Range Association (Continued) Daisy-Chained Frame Sub-Frame Combined Associated GPI Range Relay Units Addresses Addresses Frame/Sub-Frame Eight Required GPI #’s Associated Running Total SW2 SW3 Addresses with a Frame/Sub-Frame Address 12 3456 1 2 FA/SFA 1234567 8 45 11 0100 0 0 11 353 354 355 356 357 358 359 360 0 46 11 0100 1 0 11 361 362 363 364 365 366 367 368 1 47 11 0100 0 1 11 369 370 371 372 373 374 375 376 2 48 11 0100 1 1 11 377 378 379 380 381 382 383 384
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3.3.3 Software Considerations NOTE: When writing macros to Access to the operation of specific devices connected to REL units using keyboards commands or macro operations depends on the GPI and the specific GPI ranges control REL operation, keep in each REL unit is assigned. For this to be possible, the software GPI Define File mind the following: must be configured using the MGR program. What follows is a brief introduction to the configuration of the GPI and COMM setup files that need to be
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4.0 INSTALLATION Physical installation of the REL unit is relatively simple, although various configura- tions are possible. 4.1 DIRECT RACK-MOUNT HOOK-UP The REL unit mounts in a standard 19-inch rack and occupies only one RU (1.75" or 4.45 cm) of rack space (refer to Figure 13). 4.2 REMOTE OPERATION The relay unit may be mounted to something other than a standard 19-inch rack by relocating the rack ears to another position. If it is desired to place the REL unit some distance from the contr
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4.3 DAISY-CHAINING Daisy-chaining occurs when more than 64 relays are required. More importantly, each unit must be configured to have a unique address, referred to as a Frame Address. Frame addressing with respect to REL units was discussed in Section 3.3.1. What follows is a discussion about the physical hook-up of multiple REL units. System software supports up to 700 GPIs or 5,600 relays. Whether daisy-chaining two or multiple REL units, the first unit is connected from its “IN” connector t
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5.0 OPERATION 5.1 OPERATIONAL OVERVIEW The basic function of the REL unit is to allow the user/operator to control various peripheral equipment via relay contacts. Each REL unit processes and executes only commands with addresses that match that of the RELs (frame address). When an REL receives a command with an inappropriate address, it passes it on to the next unit (if applicable) via its OUT port. When power is first applied to the unit, RAM is cleared and initialization routines are called
