Honeywell PRO22IC Installation Manual - Page 12

Alarm Inputs, Memory Backup Battery, Mounting Options

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12 Installation Guide PRO-2200 Intelligent Controller PRO22IC For Wiring to an RS-485 port: 1. TR+ is the plus side of the transmit and receive differential signal. 2. TR- is the negative side of the transmit and receive differential signal. 3. GND is the signal ground. The wiring for this signal is required and NOT optional. This signal must NOT be tied to Chassis Ground. 4. Use 24 AWG low capacitance, two twisted-pair, shielded cable (Belden 9842 or equivalent). + Orange/white stripe White/orange stripe - Common Note: For N-485 Communication Connections, twist the blue pair together and use as the common; use the orange pair as your data pair, observing polarity. Connect the external drain shield to the appropriate earth ground on one end. 5. When daisy-chaining RS-485 ports together connect the TR+ wires from the upstream and downstream boards to the TR+ terminal and likewise, connect the TR- wires from the upstream and downstream boards to the TR- terminal. The Ethernet adapter board provides an RJ-45 connection for the network. See the installation guide for the PRO22EN for instructions on mounting and connecting the board to the PRO22IC Alarm Inputs The two alarm inputs on this board are dedicated to the detection of cabinet tamper and power fault monitoring. The normal (non-alarm) condition is closed contact. If these inputs are not used, install a shorting wire between the signal terminal and the GND terminal to simulate the non-alarm state. As the wiring between the alarm sensor and the input terminals is typically contained within one enclosure, these inputs are not supervised. Memory Backup Battery A 3V Lithium battery backs up the configuration data and the event buffer. This battery should be replaced annually or sooner if the cabinet is subjected to unusually high temperatures. Mounting Options This board can be mounted on-edge in the rack-mount enclosure provided by Engineering Systems or it can be mounted flat against any surface using standoffs under the mounting holes provided in each of the four corners of this board. The functionality of this board does not change with the mounting selection.

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12
PRO-2200 Intelligent Controller PRO22IC
Installation Guide
For Wiring to an RS-485 port:
1.
TR+ is the plus side of the transmit and receive differential signal.
2.
TR– is the negative side of the transmit and receive differential signal.
3.
GND is the signal ground.
The wiring for this signal is required and
NOT
optional.
This signal must
NOT
be tied to Chassis Ground.
4.
Use 24 AWG low capacitance,
two twisted-pair, shielded cable (Belden 9842 or
equivalent).
+
—
Common
Orange/white stripe
White/orange stripe
Note:
For N-485 Communication Connections, twist the blue pair together and use as the
common; use the orange pair as your data pair, observing polarity. Connect the
external drain shield to the appropriate earth ground on one end.
5.
When daisy-chaining RS-485 ports together connect the TR+ wires from the upstream
and downstream boards to the TR+ terminal and likewise, connect the TR– wires from
the upstream and downstream boards to the TR– terminal.
The Ethernet adapter board provides an RJ-45 connection for the network. See the
installation guide for the PRO22EN for instructions on mounting and connecting the board
to the PRO22IC
Alarm Inputs
The two alarm inputs on this board are dedicated to the detection of cabinet tamper and
power fault monitoring.
The normal (non-alarm) condition is closed contact. If these inputs
are not used, install a shorting wire between the signal terminal and the GND terminal to
simulate the non-alarm state.
As the wiring between the alarm sensor and the input
terminals is typically contained within one enclosure, these inputs are not supervised.
Memory Backup Battery
A 3V Lithium battery backs up the configuration data and the event buffer. This battery
should be replaced annually or sooner if the cabinet is subjected to unusually high tem-
peratures.
Mounting Options
This board can be mounted on-edge in the rack-mount enclosure provided by Engineering
Systems or it can be mounted flat against any surface using standoffs under the mounting
holes provided in each of the four corners of this board.
The functionality of this board
does not change with the mounting selection.