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DN1237-0003 © 1997-2000 Kantech Systems Inc.
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Introduction
The KT-PC4204 module is an output module with four programmable
relays. This module can be used to repower the Combus. The KT-
PC4204 is also used for elevator control or other purposes.
Note: Do not use any power supply other than the KT-PC4204 module
to repower the Combus. If a power supply other than the KT-PC4204
is used, the Combus repower function will not operate as intended.
1. Specifications
Current draw: 30 mA (from Combus) - 40VA 16V transformer required
- Maximum 7A/h battery required - Connects to the controller via 4-wire
Combus - Four programmable relay contacts rated 2A, 30VDC - AUX
current: 1.0A maximum - Tamper contact input - Can be used to repower
the Combus - Can be used for elevator
2. Installing the KT-PC4204
2.1
Unpacking
The KT-PC4204 package should include the following parts/items:
• One KT-PC4204 circuit board
• One ground wire assembly
• Five plastic standoffs
• One 5A replacement fuse
2.2
Mounting
The KT-PC4204 should be located inside a compatible cabinet
(Kantech part no. KT-4051CAB), mounted in a dry, secure location.
Preferably, it should be placed at a convenient distance from the
connected devices.
Perform the following steps to mount the unit:
1.
Press the five plastic standoffs through the mounting holes at
back of the cabinet
2.
Secure the cabinet to the wall in the desired location. Use appropriate
wall anchors when securing the cabinet to drywall, plaster, concrete,
brick or other surfaces
3.
Press the circuit board into the plastic standoffs to secure the
module to the cabinet.
Once the unit is mounted, wiring may be started.
2.3
Installation and Wiring
Before beginning to wire the unit, ensure that all power (AC trans-
former and battery) is disconnected from the KT-300 controller.
Perform the following steps to complete wiring:
1.
Connect the four Combus wires to the KT-PC4204 Connect
the red, black, yellow and green Combus wires to the RED,
BLK, YEL and GRN terminals, respectively.
If the module is used for Combus Repower, connect the Combus
wires according to the following diagram. Note that for this
option, Jumper J1 must also be set for “Combus Relay.”
2.
Complete all output wiring
3.
Connect the external tamper switch, if used
2.4
Applying Power
After all wiring is completed, apply power to the KT-300. Connect
the battery leads to the battery, then connect the AC transformer.
Then, connect power to the KT-PC4108 the battery leads followed
by the AC transformer.
Note: Do not connect the power until all wiring is complete.
3. Assigning the Module
Once all wiring is done, the module must be assigned to the system.
To assign the module, perform the following:
1.
Establish communication between the PC and the controller,
2.
Remove the tamper switch wire (or only the wire if tamper
switch is not used),
3.
A serial number should be displayed on the screen. In the same
window where the serial number appears, you should see the
type of module and on which controller it is connected,
4.
From the software, select the functionality of the module and
enter the serial number in the appropriate field (see your
software reference manual under controller definition -- assign
modules for more details),
5.
If the module is used in “repower” mode, assign an “all valid”
schedule to relay 1 and assign the module’s functionality to
“relay 1 to 4” in your software.
Note: Don’t forget to reconnect the tamper switch (or the wire, if
there is no tamper switch).
Note: Ensure that Jumper J1 is set to “Combus Relay” position if
used as “repower”.
