Issue 4.5 August 2005 Nodes 5-3
NODES OVERVIEW
The following nodes are currently supported by the 3GS
System:
● Remote Keypad Display node
● 8 Input/1 & 8 Input/2 Output node
● 6 Output node
● IntelliPower node
● Access Control node
● Hold-Up Alarm node
● LEM node
● Encryption node
● Enhanced Access Control node
● Wireless Node
Remote Keypad Display Node
The Remote Keypad Display (RKD) node is a wall
mounted unit that allows you to control, program, and
observe the past or present state of the system.
This is achieved using a 20 key tactile keypad and a 2x24
character LCD backlit display. All current versions of
keypads have two inputs on-board and one relay output.
Once power is applied to the RKD, the node diagnostic
menus can be accessed.
The remote keypad is also available with an in-built Card
module. This keypad has the standard keypad functions
with an additional HID/proximity card reader, which
allows the setting and unsetting of the system.
8 Input/1 Output & 8 Input/2 Output
Nodes
The 8 Input/1 Output (I/O) node is the primary interface
between the 3GS system and the sensors/actuators of an
installation. Each I/O node has 8 end of line resistor input
zones and one output.
Each I/O node has a status LED and on-board buzzer.
They also possess extensive self-diagnostic capabilities. A
bi-directional infrared link to the hand held terminal
exists on all nodes that do not already have a display/
keypad interface.
The 8 Input/2 Output node features two relay outputs,
ferrite beads for improved ringnet noise immunity, a
resettable PTZ fuse, and an upgradeable flash memory
chip. The 8x2 node does not have to be configured for
for tamper functionality.
6 Output Node & 8 Output Nodes
The 6 Output node expands the system by providing six
additional relay outputs. The outputs are Form C 1A 12V
Dry Contact type and are programmed using the
Controller software. See Node Configure->Outputs in
3GS Programming for further information.
The 6 Output node also features an on-board status LED,
and operation can be monitored using the on-board
infrared link to the hand held terminal.
The 8 output node has two additional outputs, and also
features ferrite beads for improved ringnet noise
immunity, a resettable PTZ fuse, and an upgradeable
flash memory chip. Like the 8x2 node, you do not need
to configure this node for tamper.
IntelliPower Node
The IntelliPower node monitors the status of its
associated power supply unit anywhere on the 3GS
ringnet system. The node receives data and power
directly from the PSU, and interfaces with the controller
via the ringnet. A series of LEDs give immediate
indication of mains failure, fuse failure, PSU failure, over-
current, battery problems, or communications failure.
Corresponding alert messages are sent back to the
controller and shown on the keypad display.
Hold-Up Alarm Node
The Hold-Up Alarm (HUA) node is used to provide an
interface to the 3GS Radio system. The node has a radio
receiver module on-board, which is tuned for 433MHz.
The node has four intruder alarm zone inputs and one
unassigned system output. Again this node has infrared
communications, which can be used via the HHT for
diagnostic purposes. Using the HUA nodes, the radio or
article protection system has a capacity for 126 radio
panic attack units (RPA) or article protection units (APU).
See Radio System Overview in 3GS Programming for
further information.
Access Control Node
The 3GS Access Control node (ACN) provides the
interface to the access system. The node is a two door
Controller with a capacity for four readers (two entry and
two exit). The ACN has two door lock outputs and two
spare, unassigned system outputs. The node also has two
zone inputs (for intruder configuration) and two door
inputs (for integrated access control and monitoring of
door forced and left open alarms). The diagnostic menu
for the ACN can be accessed using the HHT. The 3GS
system has a capacity for 10,000 card holders and 64
doors. See Access System Overview in 3GS Programming
for further information.
4-Door Enhanced Access Control Node
The 3GS 4 Door Access Control node is an enhanced
Access Node with a 4 door, 2 zone capacity. The
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