Installing the Keypads
•Up to 31 addressable keypads (addresses
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•The length of all wire runs combined, regardless of the wire gauge, must not exceed 2000 feet when unshielded quad conductor cable is used (1000 feet if unshielded cable is run in conduit, which acts a shield, or if shielded cable is used).
•If more than one keypad is wired to one run, then the above maximum lengths must be divided by the number of keypads on the run (e.g., the maximum length is 225 feet if two keypads are wired on a #22 gauge run).
To wire the keypads, perform the following steps:
Step Action
1Determine wire gauge by referring to the Wire Run Length/Gauge table below.
Wire Run Length/Gauge Table
Wire Gauge | Length |
#22 gauge | 450 feet |
#20 gauge | 700 feet |
#18 gauge | 1100 feet |
#16 gauge | 1750 feet |
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2Wire keypads to a single wire run or connect individual keypads to separate wire runs. The maximum wire run length from the control to a keypad, which is homerun back to the control must not exceed the lengths listed in the table.
3Run field wiring from the control to the keypads (using standard
4Connect the keypad(s) to terminals 6, 7, 8, and 9 on the control board, as shown in Figure
6 | RED | |
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7 | BLACK | |
KEYPADS | ||
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| GREEN |
8
YELLOW
9
CONTROL
TERMINALS
Figure
Section 3 - Installing the Control
Addressing the Keypads
The keypads will not operate until they are physically addressed and enabled in the system’s Device Programming in the #93 Menu Mode.
Set each keypad for an individual address
•Do not set any keypads to address 31 (nonaddressable mode). They will interfere with other keypads (as well as other devices) connected to the keypad terminals.
•If an “OC” or “OPEN CIRCUIT” message is present on a keypad, data from the control is not reaching the keypad. Please check your wiring.
Supplementary Power Supply for Additional Keypads
When the control’s auxiliary power load for all devices exceeds 750mA, you can power additional keypads from a regulated 12VDC power supply (e.g., AD12612 (1.2A)). Use a UL Listed,
Connect the additional keypads as shown in Figure
•Make connections directly to the screw terminals as shown in Figure
•Be sure to connect the negative
SUPPLEMENTARY |
| CONTROL TERMINAL STRIP | ||||
POWER SUPPLY |
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| AUX. AUX. DATA DATA | |||
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| + | – | IN | OUT |
| 6 | 7 | 8 | 9 | ||
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| IMPORTANT: |
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| MAKE THESE |
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BLACKWIRE | WIRERED | GREENWIRE | YELLOWWIRE | CONNECTIONS | BLACKWIRE | GREENWIRE | YELLOWWIRE |
WIRERED | |||||||
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| DIRECTLY TO |
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| SCREW |
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| TERMINALS AS |
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| SHOWN. |
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| SECONDARY |
| MAIN |
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| KEYPAD |
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| KEYPAD | pwr_ |
Figure