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1120-0469

更新时间: 2024-11-25 06:25:07
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描述
System Control Unit

1120-0469 数据手册

  
7200 SERIES  
SCU  
SYSTEM CONTROL UNIT  
DESCRIPTION  
The System Control Unit (SCU) contains the system processor, system operating software and the system configuration  
memory to coordinate “distributive processing” of all 7200 Series system operations. The SCU functions as the system  
®
information andcontrol center, processing allmessagesfrom any cableconnectedunit, including two degradealarm (ADAC )  
modes to ensure system survivability. It mounts in the top position in the cabinet.  
The System Control Unit also provides two (2) notification appliance circuits, Class Aor B, Style Z or Y, remote city outputs  
(city box or polarity reversal), and alarm and trouble actuated relay contacts.  
A pluggable terminal block is provided with the SCU for the connection of all field wiring. This block will accommodate  
wire sizes up to 12 AWG.  
The SCU is a one and one half size unit.  
The SCU also includes a Programming/Diagnostic Center with a two-character 7-segment digital display providing system  
operation, programming and internal trouble shooting features.  
Three front panel user switches are provided for system “RESET/LAMP TEST”, “SILENCE”, and “ACKNOWLEDGE”.  
Additional switches include “PROGRAMMING”, and “NORMAL/OFF” switches for “MUNICIPAL” circuits, control of  
“NOTIFICATION (CIRCUIT) 1” and “NOTIFICATION (CIRCUIT) 2”. LEDs located on the System Control Unit include:  
Red  
“ALARM”  
Yellow “TROUBLE MUNICIPAL”  
Yellow “SIGNAL SILENCE”  
Yellow “PROGRAM 1”  
Yellow “SUPERVISORY”  
Yellow “SYSTEM TROUBLE”  
Yellow “TROUBLE NOTIFICATION 1”  
Yellow “TROUBLE NOTIFICATION 2”  
Yellow “GROUND FAULT”  
Yellow “PROGRAM 2”  
Yellow “DEGRADE”  
TECHNICAL AND ORDERING INFORMATION  
Part No.  
Model  
Supervisory  
Current  
.050 amp.  
Alarm  
Current  
.260 amp.  
Description  
1120-0469  
SCU  
System Control Unit  
ADAC® is a registered trade mark of Fire Control Instruments, Inc.  
Specifications are provided for information only and are believed to be accurate. However, no responsibility is assumed by Fire Control Instruments, Inc. for their use.  
Specifications subject to change without notice. © 1997 All Rights Reserved  
301 2nd Ave Waltham, MA 02451-1133 USA TEL: (781) 487-0088 FAX: (781) 370-4132  
9020-0292/Ver. 1.3  

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