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42
Overview of the LNL-1100
The Input Control Module (ICM) provides the access control system with high-speed acknowledgment of
critical alarm points in monitored areas. It has sixteen configurable input control points and two output
control relays. The ICM supports normally open, normally closed, supervised and non-supervised circuits.
The input circuits are scanned at a rate of sixty (60) times per second, with a debounce timing of 64 mS. The
digitized input status signal is software monitored and controlled, resulting in the ability for each input point
to be programmed as a supervised or non-supervised alarm point, normally open or normally closed
monitoring point.
The output relays can also be configured for fail-safe or fail-secure. The relays support "On," "Off," and
"Pulse" controls.
The series 2 board differs slightly from the series 1 boards. Where series 2 is indicated, the information only
applies to series 2 boards. Otherwise, the information applies to both series 1 and 2 boards.
42.1
Interfaces
The Input Control Module interfaces upstream with the Intelligent System Controller.
32 Downstream
Devices Total
RS-485
Multi-drop
2 or 4 wire
Single Reader
Interface Module
Up to 32 Single
0 1
Reader Interface
2 3
4 5
Modules
6 7
8 9
*
(32 readers)
#
Intelligent System Controller Communications Overview
Access
Control
System
Intelligent System
Controller
Dual Reader
Interface Module
Up to 32 Dual
0 1
Reader Interface
2 3
0 1
4 5
2 3
Modules
6 7
4 5
8 9
6 7
*
(64 readers)
#
8 9
*
#
Hardware Installation Guide
Communications
from Host to Controller
RS-232, RS-485, Ethernet
Dial-up, Fiber, etc...
Downstream Communications
• Four 2-wire ports
• Two 4-wire ports
• Combination 2 and 4 wire ports
Input/Output
Control
Module(s)
Up to 16 Output Control Modules
Up to 16 Alarm Input Control Modules
265
revision 7 —
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