Pittway Notifier ACM-8R User manual

Document # 15342Document # 15342
Document # 15342Document # 15342
Document # 15342
07/24/97 Revision:07/24/97 Revision:
07/24/97 Revision:07/24/97 Revision:
07/24/97 Revision:D1
For the System 500, System 5000,
AFP-200, AM2020, AFP1010 and
SFP-1024
Fire Alarm Control Panels
The
ACM-8R
Annunciator
Control
Module
P/N 15342:D1 ECN 97-304
12 Clintonville Road
Northford, CT 06472
203-484-7161
FAX: [phone]
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WARNING - Several different sources of power can be
connected to the fire alarm control panel. Disconnect all
sources of power before servicing. Control unit and
associated equipment may be damaged by removing and/
or inserting cards, modules, or interconnecting cables while
the unit is energized. Do not attempt to install, service,
or operate this unit until this manual is read and understood.
CAUTION - System Reacceptance Test after Software
Changes: To ensure proper system operation, this product
must be tested in accordance with NFPA 72-1993 Chapter
7 after any programming operation or change in site-
specific software. Reacceptance testing is required after
any change, addition or deletion of system components,
or after any modification, repair or adjustment to system
hardware or wiring.
All components, circuits, system operations, or software
functions known to be affected by a change must be 100%
tested. In addition, to ensure that other operations are not
inadvertently affected, at least 10% of initiating devices
that are not directly affected by the change, up to a
maximum of 50 devices, must be tested and proper
system operation verified.
This system meets NFPA requirements for
operation at 0-49OC/32-120OF
and at a relative
humidity of 85% RH (non-condensing) at 30O C/86O
F. However, the useful life of the system's standby
batteries and the electronic components may be
adversely affected by extreme temperature ranges
and humidity. Therefore, it is recommended that this
system and its peripherals be installed in an
environment with a nominal room temperature of 15-
27OC/60-80OF.
Verify that wire sizes are adequate for all initiating and
indicating device loops. Most devices cannot tolerate
more than a 10% I.R. drop from the specified device
voltage.
Like all solid state electronic devices, this system may
operate erratically or can be damaged when subjected to
lightning induced transients. Although no system is completely
immune from lightning transients and interferences, proper
grounding will reduce susceptibility. Overhead or outside
aerial wiring is not recommended, due to an increased suscep-
tibility to nearby lightning strikes. Consult with the Technical
Services Department if any problems are anticipated or en-
countered.
Disconnect AC power and batteries prior to removing or
inserting circuit boards. Failure to do so can damage circuits.
Remove all electronic assemblies prior to any drilling, filing,
reaming, or punching of the enclosure. When possible, make
all cable entries from the sides or rear. Before making
modifications, verify that they will not interfere with battery,
transformer, and printed circuit board location.
Do not tighten screw terminals more than 9 in-lbs. Over
tightening may damage threads, resulting in reduced terminal
contact pressure and difficulty with screw terminal removal.
This system contains static-sensitive components. Always
ground yourself with a proper wrist strap before handling any
circuits so that static charges are removed from the body. Use
static suppressive packaging to protect electronic assemblies
removed from the unit.
Follow the instructions in the installation, operating, and pro-
gramming manuals. These instructions must be followed to avoid
damage to the control panel and associated equipment. FACP
operation and reliability depend upon proper installation.
Audible warning devices such as bells may not alert people
if these devices are located on the other side of closed or
partly open doors or are located on another floor of a building.
A fire alarm system will not operate without any electrical
power. If AC power fails, the system will operate from
standby batteries only for a specified time.
Rate-of-Rise heat detectors may be subject to reduced
sensitivity over time. For this reason, the rate-of-rise feature
of each detector should be tested at least once per year by
a qualified fire protection specialist.
Equipment used in the system may not be technically
compatible with the control. It is essential to use only
equipment listed for service with your control panel.
Telephone lines needed to transmit alarm signals from a
premise to a central monitoring station may be out of service
or temporarily disabled.
The most common cause of fire alarm malfunctions, how-
ever, is inadequate maintenance. All devices and system
wiring should be tested and maintained by professional fire
alarm installers following written procedures supplied with
each device. System inspection and testing should be sched-
uled monthly or as required by National and/or local fire codes.
Adequate written records of all inspections should be kept.
An automatic fire alarm system - typically made up of smoke
detectors, heat detectors, manual pull stations, audible warn-
ing devices, and a fire alarm control with remote notification
capability can provide early warning of a developing fire. Such
a system, however, does not assure protection against prop-
erty damage or loss of life resulting from a fire.
Any fire alarm system may fail for a variety of reasons:
Smoke detectors may not sense fire where smoke cannot
reach the detectors such as in chimneys, in walls, or roofs, or
on the other side of closed doors. Smoke detectors also may
not sense a fire on another level or floor of a building. A
second floor detector, for example, may not sense a first floor
or basement fire. Furthermore, all types of smoke detectors
- both ionization and photoelectric types, have sensing limi-
tations. No type of smoke detector can sense every kind of
fire caused by carelessness and safety hazards like smoking
in bed, violent explosions, escaping gas, improper storage of
flammable materials, overloaded electrical circuits, children
playing with matches, or arson.
IMPORTANT! Smoke detectors must be installed in the
same room as the control panel and in rooms used by the
system for the connection of alarm transmission wiring,
communications, signaling, and/or power. If detectors are
not so located, a developing fire may damage the alarm
system, crippling its ability to report a fire.
While installing a fire alarm system may make lower insur-
ance rates possible, it is not a substitute for fire insurance!
Fire Alarm System Limitations
Installation Precautions Adherence to the following will aid in problem-free
installation with long-term reliability:
Technical Publishing Document PRECAUSM.PM6 07/12/96
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Table of Contents
The ACM-8R Relay Module ............................................4
Features of the ACM-8R .......................................4
Mounting................................................................4
Design Considerations................................................... 5
Limits .....................................................................5
Wire Runs..............................................................5
Wiring Specifications ............................................. 5
Receive Only Annunciators...................................6
Receive/Transmit Annunciators ............................6
Remote Power Source for Annunciators...............7
Electrical Ratings...................................................8
Power Requirements.............................................8
Installing the ACM-8R .....................................................9
Figure 3-1: Mounting the Backbox ............................10
Figure 3-2: Configuring the ACM-8R ........................11
Figure 3-3: Wiring Multiple Annunciators ..................12
Figure 3-4: ACM-8R Relay Terminal Assignments ...13
Table 3-1: Relay Assignments ..................................14
Mapping the ACM-8R relays .....................................14
Row and Module Arrangement .................................15
Relay Assignment Examples ....................................15
Figure 3-5: Connecting the EIA-485 Loop ................19
Figure 3-6: Supplying Power to the ACM-8R............20
MPS-24A Main Power Supply...................................20
MPS-24B Main Power Supply...................................20
MPS-24BPCA Main Power Supply ...........................21
UL Power-limited Wiring Requirements ....................21
ACM-8R and the System 5000 .....................................22
ACM-8R and the AM2020/AFP1010 .............................24
ACM-8R and the System 500 .......................................26
ACM-8R and the AFP-200............................................. 27
ACM-8R and the SFP-1024 ...........................................30
Section One:
Section Two:
Section Three:
Appendix A:
Appendix B:
Appendix C:
Appendix D:
Appendix E:
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Section One
The ACM-8R Annunciator Control Module
The ACM-8R is an element in the Notifier ACS class of annunciators. It provides the
System 500, System 5000, AFP-200, AM2020, AFP1010 and SFP-1024 Fire Alarm
Control Panels with a relay control module that can be mapped. The relays on this
module can be selected for mapping anywhere in the
System 5000 or System 500 memory map (by groups of
eight).
Features of the ACM-8R
The ACM-8R provides eight Form-C relays with 5 amp
contacts. Therelayscan beemployedto track any8 point
module in the System 5000 or System 500, or track any
grouping of points in the AM2020 or AFP1010.
Extends capacity of System 5000, System 500, AFP-200
and SFP-1024 by adding a relay per initiating zone.
Extends capacity of AM2020 or AFP1010 by adding 256
relay points (using 32 ACM-8Rs x 8 relays per module).
The ACM-8R provides DIP switch selectable memory
mapping of relays.
The ACM-8R is also provided with removable terminal
blocks for ease of installation and service.
The ACM-8R Annunciator Control Module may be used in combination with a variety
of products on the same EIA-485 bus circuit including AFM Series annunciators, LDM
Series annunciators, LED-10N annunciators and UDACTs (Universal Digital Alarm
Communicator/Transmitter).
EIA-485 bus compatible accessories are designed to provide maximum flexibility to
system configurations. Examples include multiple remote LED annunciators with
customized labels per corresponding area or function, multiple remote graphic annun-
ciators that illustrate building layout and floor plans, remote DACTs for strategic
mountinglocation near telephoneequipment plus remotehigh current switchingrelays
for such purposes as fan and damper control, elevator recall and door releasing.
Mounting
The ACM-8R module will mount to CHS-4 chassis or a CHS-4L low-profile chassis
(assumes one of four positions on the chassis) or for remote applications, to an ABS-
8R Annunciator Surface-mount backbox with blank faceplate (18240). The ACM-8R
will also mount to the CAB-500 backbox in the System 500.
Additional References
For more information on annunciator operation under various specific applications,
refer to the respective operating manual:
The AM2020/AFP1010 Operating Manual, Document 15335
The System 5000 Operating Manual, Document 15581
The System 500 Installation Manual, Document 15019
The AFP-200 Instruction Manual, Document 15511
The SFP-1024 Instruction Manual, Document 50475
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Fire Alarm Control Panel
Section Two
Design Considerations
ACM-8R
Limits
The ACM-8R is a member of the Notifier ACS class of annunciators. Up to 32
annunciators may be installed on an EIA-485 circuit. The actual number of annunciator
modules may be larger depending on the number of expander modules employed.
Wire Runs
Communication between the Control Panel and the ACM-8R is accomplished over a
power-limited two-wire EIA-485 serial interface. This communication, to include the
wiring,is supervised bythe fire alarm control panel. Powerfor the annunciatorsmust be
power-limited and is provided via a separate power loop from the control panel which is
inherentlysupervised(lossofpoweralsoresultsinacommunicationfailureatthecontrol
panel).
*Note for AM2020 installations only: SIB-2048 can support two EIA-485 circuits,
each capable of spanning 6,000 feet @ 16 AWG. For more details, refer to
Appendix B: ACS and the AM2020.
Wiring Specifications
The EIA-485 circuit cannot be T-Tapped; it must be wired in a continuous fashion from
the control panel to the annunciator. The maximum wiring distance between the
panel and the last annunciator is 6,000 feet @ 16 AWG.
The wiring size must be a 12 AWG to 18 AWG twisted
shielded pair cable having a Characteristic Impedance of
120 ohms, +/- 20%. Limit the total wire resistance to 100 ohms on the EIA-
485 circuit, and 10 ohms on the annunciator power circuit. Do not run cable adjacent to,
or in the same conduit as, 120 VAC service, noisy electrical circuits that are powering
mechanicalbellsorhorns,audiocircuitsabove25voltsRMS,motorcontrolcircuits,orSCR
power circuits.
Two-wire EIA-485 Circuit*
(Maximum of 6,000 feet)
power-limited
ACM-8R Power
(12 to 18 AWG )
power-limited
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Receive Only Annunciators
For redundant annunciation of system points, annunciators can be configured as
"Receive Only" annunciators. Receive Only annunciators must be set to the same
addressasthe annunciatorstheyduplicate, but arenot fully supervisable. ReceiveOnly
annunciators intercept information being transmitted to a "Receive/Transmit" annuncia-
tor so that this information can be duplicated at an intermediate display location. When
configuredforReceiveOnlyoperation,theycannotsendinformationtothesystem(such
as ModuleTrouble indications). WiringtoReceiveOnlyannunciatorsmaybesupervised
byinstallingthe modules"upstream" of fullysupervised, Receive/Transmitannunciators
along the EIA-485 line.
Receive/TransmitAnnunciators
Annunciators that are configured to serve as receive/transmit annunciators are fully
supervised in that they can both receive status information as well as transmit trouble to
the control panel.
Fire Alarm
Control Panel
Two-wire
EIA-485
Circuit
"Receive/Transmit" ACM-8R
set to Address "X"
"Receive Only" ACM-8R
set to Address "X" and
installed upstream.
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Remote Power Source for Annunciators
If the ACM-8R and other annunciator-type modules are to be powered from a remote
supply (AM2020/AFP1010 only), a common connection between the negative battery
terminals of each supply must be made.
Fire Alarm Control Panel
Power Loop
EIA-485
Circuit
EIA-485 Circuit
Annunciator in a Backbox,
powered from Control Panel
A common tie must be connec-
tedbetween multiplepower sup-
plies or the EIA-485 circuit will
not function properly!
Annunciators in a Cabinet,
powered from remote supply
(AM2020/AFP1010 only)
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Electrical Ratings
24 VDC (must be power-limited).
ACM-8R Current Draw from 24 VDC Input:
Normal Standby: 0.030 amps
Maximum current with all output relays activated: 158 mA.
Relay Contacts
UL contact ratings are 5 amps @ 125 VAC (resistive) or 30 VDC (resistive) and 2 amps
@ 125 VAC (inductive). Refer to UL Power-limited Wiring Requirements for information
on wiring the relays.
Form-Cgold-plated,silveralloyrelaycontactsareformediumdutyswitchingandarenot
intended for Motor Control or Pilot Duty.
Data Communications Port: EIA-485 operating at 20 Kbaud (must be power-limited).
Power Requirements
The ACM-8R draws its power from the control panel and must be considered when
calculating the primary and secondary power supply requirements for the system. Each
annunciator module must be accounted for in the power calculations outlined in the
respective installation manual. However, if the current draw dedicated to the ACM-8R
must be calculated as a separate figure, use the equations below.
Standby Current: Number of ACM-8R modules
[ ] X 0.030 = amps
Alarm Current: 1.) Number of ACM-8R modules
[ ] X 0.030 = amps
2.) Maximum number of relays which can be activated simultaneously*
[ ] X 0.016 = amps
Total Alarm Current (sum of 1 & 2) = amps
*The maximum number of simultaneously activated relays depends on
system configuration and programming.
The Total Annunciator Alarm Current cannot exceed 200 mA from the MPS-24B,
or 1 amp from the MPS-24A.
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SectionThree: Installing the ACM-8R
For remote applications, use the ABS-8R enclosure.
Select an appropriate knockout on the ABS-8R enclosure. Mount the backbox.
The enclosure must be connected to a solid Earth Ground (do not use conduit
for this purpose). Pull all annunciator wiring into the enclosure.
Wire the Terminal Blocks
ConnectannunciatorpowerandEIA-485wiringtotheremovableterminalblocks
(refer to Figure 3-2).
Note: A 120 ohm End-of-Line Resistor (supplied with the ACM-8R) must be
installed at the last annunciator on the EIA-485 circuit. Remove the ELRs
installed on all annunciators except the last.
Wire the relay terminals on the ACM-8R (refer to Figure 3-4 and UL Power-
limited Wiring Requirements).
Installing the annunciators
Set the Address and Mode Select switches (see Figure 3-2), and Relay
Assignment DIP switches (Table 3-1) on the ACM-8R annunciator.
For mounting in the backbox
Place the ACM-8R in the ABS-8R backbox. Align the two captive screws on the
top of the relay module and the two mounting holes on the bottom of the relay
module with the pem standoffs on the backbox. Secure with captive screws at
top and with two loose screws at bottom.
For mounting in an FACP cabinet
Mount the CHS-4 or CHS-4L Chassis.
CHS-4 or CAB-500 (System 500) mounting: Screw two female-to-female
standoffs over existing pem standoffs in the desired mounting location at the
bottom of the chassis. Align the bottom mounting holes of the ACM-8R with the
standoffs just attached and secure with two screws provided.
CHS-4L: Screw two female-to-female standoffs over existing pem standoffs on
the upper end of the CHS-4L in the desired mounting location. Insert the ACM-
8R's mounting tab into the slot on the chassis and align the captive screws of
the ACM-8R with the standoffs just attached. Secure captive screws.
Attach Terminal Blocks
Plug in the annunciator's EIA-485, power and relay terminal blocks.
Complete Assembly
Attach blank backbox cover (remote ABS-8R installation) and secure with two
screws,orcontinuewithinstallationofcomponentsinthefirealarmcontrolpanel
cabinet.
❑
❑
❑
❑
❑
❑
❑
❑
❑
FACP Applications
Remote Applications
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Figure 3-1: Mounting the Backbox
Select a knockout on the backbox. Mount the
backboxanddrawallannunciator,power,andrelay
wiring into the enclosure. Connect the backbox to
a solid Earth Ground. Do not use conduit for this
purpose since it is not a reliable earth ground.
On Terminating the Shield
The EIA-485 circuit must be wired using a twisted-
shielded pair cable having a Characteristic Imped-
ance of 120 ohms, +/- 20%. Do not run cable
adjacent to, or in the same conduit as, 120 VAC
service, noisy electrical circuits that are powering
mechanical bells or horns, audio circuits above 25
VRMS, motor control circuits, or SCR power circuits.
All enclosures, including the FACP backbox, must
beconnectedtoearth ground! Neverusetheshield
for grounding purposes. Terminate the EIA-485
shield at the Fire Alarm Control Panel only.
Whenthe EIA-485 shieldis inconduit: connectit tosystem reference ( systemcommon ) .
The shield can enter the cabinet, but must be insulated from the cabinet (not electrical
contact). Between annunciators, wire-nut multiple shields together (which can be inside
of the respective enclosure).
WhentheEIA-485shieldisnotinconduit:TerminatetheshieldattheoutsideoftheFACP
backbox (ground). Do not allow the shield to enter or even touch the cabinet. Between
annunciators, wire-nut multiple shields together outside of the respective enclosures.
ABS-8R Backbox
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TB2
TB1
4
3
2
1
5
4
3
2
1
- System Common
- System Common
+ 24 Volts
+ 24 Volts
Earth Ground
- EIA-485 IN
- EIA-485 OUT
+ EIA-485 OUT
+ EIA-485 IN
EIA-485 and Power Connections
(both must be power-limited)
SW4-1: Set "ON" if relays are to
beactivatedbyalarmssignalsonly.
Set switch "OFF" for alarm and
trouble activation.
SW4-2: Set"ON"iftheACM-8Ris
to function in Receive Only mode
on the EIA-485 circuit.
ALM RCV
ONLY ONLY
MODE SELECT
SW4
TENS ONES
SW1 SW2
ADDRESS SELECT
SW3 Relay Assignment DIP Switches
(refer to Table 3-1)
EIA-485 Address Select
For System 500, set to 01.
For System 5000, set 01 to 04.
For AFP-200, set 01 or 02.
For AM2020/AFP1010, set 01 to 32.
For SFP-1024, set to any unused
address 01 to 32.
Figure 3-2: Configuring the ACM-8R
Caution! Failure to observe proper
polarity on these connections may
result in damage to the annunciator.
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Multiple Annunciator Wiring
• Do not "T-Tap" the power-limited EIA-485 circuit. It will not function properly. Wire as
shown below.
• Leave the 120 ohm resistor installed across the EIA-485 Out terminals at the last
annunciator on the circuit (see below). Remove this resistor from all other annuncia-
tors.
• Connect Earth Ground to a mounting screw on the backbox or cabinet.
• Connect24VDCPowertotheannunciator. Thispowermustbepower-limitedbutneed
not be supervised by a power supervision relay since it is inherently supervised by the
control panel (loss of communications is registered during loss of power to the
annunciator).
TB2
TB2
Control
Panel
EIA-485 (+)
EIA-485 (-)
ELR
Part #
71244
Figure 3-3: Wiring Multiple Annunciators (6,000 ft. max. run)
Last ACM-8R or other
annunciator-type device
First ACM-8R or other
annunciator-type device
4 (-)
3 (-)
2 (+)
1 (+)
4 (-)
3 (-)
2 (+)
1 (+)
Supervised and power-limited
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{
Relay 5
Normally Open
Common
Normally Closed
{
Relay 6
{
{
Relay 8
Relay 7
Relay Terminal Assignments
TheACM-8R provides eight relayswith Form-C contacts rated for 5 amps. The terminal
assignments are illustrated below. For selecting where in the control panel's memory
map these relays will be assigned, refer to Table 3-1. For information on wiring
limitations, refer to the UL Power-limited Wiring Requirements section.
Figure 3-4: ACM-8R Relay Terminal Assignments
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
Normally Open
Common
Normally Closed
}Relay 4
}Relay 3
}Relay 2
}Relay 1
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Mapping the ACM-8R relays
The ACM-8R contains an 8 position DIP switch (SW3) that assigns annunciator points
to the eight relays. Note that the address set on the Address Select switches affects
exactly where the 8 relay group will fall in the control panel's memory map.
Annunciator Points
in Alarm Only
Mode
1-8
9-16
17-24
25-32
33-42
43-48
49-56
57-64
Set these
DIP switches
on SW3 ON
15
25
35
45
16
26
36
46
17
27
37
47
18
28
38
48
Annunciator Points
in Alarm and
Trouble Mode
1-4
5-8
9-12
13-16
17-20
21-24
25-28
29-32
33-36
37-40
41-44
45-48
49-52
52-56
57-60
61-64
Table 3-1: Relay Assignments (per EIA-485 address)
Mapping Note:
NotethatTable3-1outlinesrelayassignmentsatagivenEIA-485address. AsingleEIA-
485 address can support up to 64 points. At address "1," the information corresponds
directly with system points. However, point 1 in Table 3-1 at address "2" actually
represents the 64th point in the system; at address "3," the 129th point and so on.
Note also that points in the system and the number of circuits correspond directly for
Alarm Only Mode (64 circuits = 64 annunciator points). Whereas, in Alarm and Trouble
Mode, 64 circuits requires 128 points (64 x 2) and would require two EIA-485 addresses
to annunciate fully.
Refer to the relay mapping examples that follow for more details.
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Row and Module Arrangement
When installing the ACM-8R for Alarm Only operation on a System 5000, the DIP switches on
SW3 can be alternately understood as a row and module arrangement. Note: This correlation
exists for each EIA-485 address. That is, the third cabinet row would become the 1st cabinet
row at address 02.
SW3
Cabinet Row (select one only)
Set ON for 1st row
Set ON for 2nd row
(these switches are only used in
Alarm and Trouble Mode)
Row Module (select one only)
Set ON for 1st module
Set ON for 2nd module
Set ON for 3rd module
Set ON for last module
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1,6 2,6 3,6 4,6
1,5 2,5 3,5 4,5
1,6 2,6 3,6 4,6
1,5 2,5 3,5 4,5
Address 01
Address 01
Address 02
Address 02
Relay Assignment Example - System 5000 Alarm Only Mode
The ACM-8R can fol-
lowthealarm status of
anymoduleintheSys-
tem 5000. To assign
theACM-8Rto a mod-
ule, two switches on
SW3 must be set to
"ON."Example:Toas-
signtheACM-8Rtothe
thirdmoduleinthesec-
ond row of a System
5000, set switches 3
and6onSW3to"ON",
set the other six
switches to "OFF."
S5000
Module ACM-8R Alarm Contact
Circuit 1 Relay 1
Circuit 2 Relay 2
Circuit 3 Relay 3
Circuit 4 Relay 4
Circuit 5 Relay 5
Circuit 6 Relay 6
Circuit 7 Relay 7
Circuit 8 Relay 8
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Relay Assignment Example - System 5000 Alarm & Trouble Mode
1,5 2,5 3,5 4,5 1,6 2,6 3,6 4,6
Address 01
1,7 2,7 3,7 4,7 1,8 2,8 3,8 4,8
Address 01
Address 02
1,5 2,5 3,5 4,5 1,6 2,6 3,6 4,6
1,7 2,7 3,7 4,7 1,8 2,8 3,8 4,8
Address 02
The ACM-8R can fol-
low the alarm and
trouble status of any
modulehalfintheSys-
tem 5000. To assign
theACM-8Rtoamod-
ule half, two switches
onSW3mustbesetto
"ON." The two
switches that must be
set"ON"areindicated
below themodulehalf.
Example: To assign
theACM-8Rtothefirst
fourcircuitsofthethird
module in the second
rowofaSystem5000,
set switches 1 and 8
on SW3 to "ON," set
the other six switches
to "OFF."
S5000
Module
ACM-8R
Alarm
Contact
ACM-8R
Trouble
Contact
Circuit 1 Relay 1 Relay 5
Circuit 2 Relay 2 Relay 6
Circuit 3 Relay 3 Relay 7
Circuit 4 Relay 4 Relay 8
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1,5 2,5 3,5 4,5 1,6 2,6
Address 01
3,7 1,8
Relay Assignment Example - System 500 Alarm Only Mode
The ACM-8R can follow the alarm status of any module in the System 500. To
assigntheACM-8Rtoamodule,twoswitchesonSW3mustbesetto"ON." The
two switches that must be set "ON" are indicated below the module. Example:
To assign the ACM-8R to the right-hand "L" series board, set switches 3 and 6
on SW3 to "ON," set the other six switches to "OFF."
2,6 3,6
Address 01
Relay Assignment Example - System 500 Alarm & Trouble Mode
The ACM-8R can follow the alarm and trouble status of any module half in the
System500. ToassigntheACM-8Rtoamodulehalf,twoswitchesonSW3must
be set to "ON." The two switches that must be set "ON" are indicated near the
modulehalf. Example:ToassigntheACM-8Rtotheright-hand"L"seriesboard,
set switches 1 and 8 on SW3 to "ON," set the other six switches to "OFF."
CR-4L
or
ICR-4L
CR-4L
or
ICR-4L
1,5 2,5 3,5
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Figure 3-5: Connecting the EIA-485 Loop
Supervised and Power-Limited
AM2020/AFP1010 (SIB-2048)
EIA-485 Common
Earth Ground (chassis)
EIA-485 Loop 1 (+)
EIA-485 Loop 1 (-)
EIA-485 Loop 2 (+)
EIA-485 Loop 2 (-)
EIA-485 (-)
to ACM-8R TB2-3 (+) EIA-485
to ACM-8R TB2-2
CPU-500
EIA-485 (-)
to ACM-8R TB2-3 (+) EIA-485
to ACM-8R TB2-2
CPU-5000
EIA-485 Connection
The EIA-485 circuit that drives the ACM-8R must be power-limited and connected as
illustrated below.
All connections above must
be power-limited.
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Figure 3-6: Supplying Power to the ACM-8R
The ACM-8R requires 24 VDC regulated power to operate. This power may be
obtained by the main power supplies illustrated on this and the next pages.
MPS-24A Main Power Supply (AM2020, AFP1010 or System 5000 only):
FortheSystem5000,connectthepowerrunfortheACM-8RtoMPS-24ATB3Terminals
1 (+) and 2 (-) (1 amp max and power-limited). The AM2020 and AFP1010 require non-
resettable power. Use TB3 Terminals 3 (+) and 4 (-) (2 amps maximum and power-
limited) to power the ACM-8R from the MPS-24A (do not cut jumper JP5). The total
amount of current drawn from these terminals cannot exceed that rating in standby or in
alarm.
24 VDC Power (+)
to ACM-8R TB1-2 ( - ) Common
to ACM-8R TB1-4
MPS-24B Main Power Supply (AFP1010 or System 5000 only):
ConnectthepowerrunfortheACM-8RtoMPS-24B TB2Terminals1(+)and2(-)(power-
limited). No more than 200 mA current can be drawn from these terminals in standby or
alarm (consult battery calculations for the number of annunciator-type devices that can
be powered here). Note: The AFP1010 requires non-resettable power. For AFP1010
applications, cut jumper JP1.
System 5000
24 VDC Power (+)
to ACM-8R TB1-2
{Common ( - )
to ACM-8R TB1-4
AM2020
and
AFP1010
{
(+) 24 VDC Power
to ACM-8R TB1-2
( - ) Common
to ACM-8R TB1-4
MPS-24A
MPS-24B
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