Central DMCC User manual
I.Installation andconnection
1) The DMCC must be in sight view of the system operator
2) Connection:
-The size of mains adapter depends on number of sensors. Current (in mA) I = 7 x number of sensors + 300. For 120 sensors two standard 800 mA unstabilized adapters should be used in parallel connection. Power connector is 2.1 / 5.5 mm. Use unstabilized adapters, voltage must be over 14.5 V.
-External accumulator 12V 1 to 6 Ah is charged from DMCC. Connector is 2.5 / 5.5 mm.
Never use any back up accumulator shared with other systems!
-All data wires +D and -D are connected to parallel bus. There is almost no requirment for impedance parameters, the sensors can be connected to unequal nods. The loop resistance is max. 300 ohms to the most distant sensor.
-All power wires +12 and -12 are connected to parallel bus with absolutely no impedance requirments. Important is only the resistance, max. voltage drop at the last sensor is 2.5 V. The cable between DMCC and a remote nod should be stronger - use low resistance types (mains or loudspeaker type or parallel connection of more wires).
-Output SQUELCH of local radio base station can eliminate "false alarms" caused by communication in own radio network. Connect SQ-C to the ground of radio base stationand on +SQ or -SQ appropriate squelch signal.
Levels: +SQ over +1.5V disables detection ANALOG
-SQ below +1.5V disables detection ANALOG
-Printer (SP312FD) is connected to RS232 and has own 220V power supply
-Connector SENSORS (Cannon 9):
1,2 +12V power for sensors (1+2 are parallel)
3 +D + data to sensors
4 - SQ to radio base station LOW LEVEL is blocking
5 +SQ to radio base station HIGH LEVEL is blocking
6,7 -12V power for sensors (6+7 are parallel)
8 -D - data to sensors
9 SQ-C ground of radio base station
Note: pins 8 and 9 (-D and SQ-C) and shielding of both connectors (SENSORS and RS232) have zero potential and are connected to DMCC box. If the printer SP312 is connected to DMCC all is connected to the mains ground protection outlet via grounding of the printer.
II. Programming / Initializing of sensors
1) Switch ON the power
-testing, initializing and programming of sensors are done automaticly during 15 sec.
2) Time setting: -push: B, +, A
-by -/+ set: hours, confirm A, minutes, A, seconds, A, year, A, month, A, day, A,
3) Sensors initializing:
The same process was automaticly executed after power ON (see1). But the POWER ON initializing resets the time and date. If the system has been working and from any reason a new initializing has to be done do it using the menu:
-push: B, -, A
-after 15 sec. the LCD displays: -number of registered sensors
-PR: number of overloaded sensors
-OT: number of opened sensors (tamper)
-buttons +/- are listing the sensors to see which sensors are overloaded or open
The symbols behind number of sensor:
G sensor detect GSM alarm
A sensor detect ANALOG alarm
T sensor is open (TAMPER)
O sensor was overloaded during programming
FAIL sensor or loop failure
If any sensor displays T (tamper open) this failure must be repaired. If any sensor displays O overloading see DMC-1 User manual (1.4) and adjust the DMC-1 properly. After proper adjustment of sensors repeat the initializing. Loop or sensor failure (FAIL) is also indicated by all alarm LEDs. The failure must be repaired or a new initializing must be done (failed sensor will not be registered).
III. Guarding
This main mode is indicated by green LED GUARDING.
LCD information: R: total number of registered sensors
AL:total number of sensors in actual alarm / total number of sensors
which were in alarm since last reset
In the right bottom corner of LCD actual time is displayed.
IV. Alarm
-Alarm LED lit = actual alarm
-Alarm LED flashing = past, unreset alarm
-The bottom LCD line is displaying numbers of sensors which caused the alarm
Listing alarms and alarms reset:
-buttons +/- are listing the alarms stored in the memory. Time in minutes is since the alarm
stopped (max. -255 min.)
-button B offers deleting of alarm record. It is recommended to delete alarm immediately
after registration of the event to object documentation.
V. Table of main instruction:
1. List of registered sensors: A, +/-, back: A
2. Time setting: B, +, A, set: +/-, next: A
3. Sensors initializing: B, -, A
4. Displaying alarms: +/-, back: A
5. Displaying and deleting alarms: +/-, B, A
VI. Printer
All events beginning switching ON are printed. The prints contain: time, date and event.System and printer checking is done by check printouts which are printed inrandom intervals. The check printouts contain: time, date, serial number of check printout (none can be lost!), number of actual alarms and total number of unreset alarms. Recommended type is STAR SP312FD with serial RS232 interface.
VII. Maintenance and setting
Inside the DMCC the user can only: -change the fuse 1A if LED FUSE is lit
-open jumper KT to switch OFF check printouts
-stick an adhesive tape to damp the siren