Section 2 – Installing the Control & Peripherals
2-3
Mounting the Keypads
1. Make sure addressable-type keypads (6128,
6137, 6138, and 6139) are set to non-addressable
mode (address 31), which is the factory default
setting. Refer to the instructions provided with the
keypad for address setting procedure.
2. Mount the keypads at a height that is convenient
for the user. Refer to the instructions provided with
the keypad for mounting procedure.
You can either surface mount or flush mount
keypads (using an appropriate Trim Ring Kit:
6139TRK). Refer to the mounting instructions and
template included with the keypad and/or trim ring
kit for specific information.
If you are going to use a 4285/4286 VIP Module,
you MUST use addressable keypads (6128,
6137, 6138, 6139) in the system, but set to the
non-addressable mode (address 31).
Wiring the Keypads
1. Determine wire gauge by referring to the wiring
length/gauge chart on the next page.
For devices (keypads, RF receivers, etc.) connected
to a single 4-wire run, determine the current drain
of all units connected to the single wire run, then
refer to the Wiring Run chart to determine the
maximum wire length that can be safely used for
each wire size. Current drain for all devices can be
found in SECTION 13: Specifications and
Accessories.
NOTE: Refer to “Auxiliary Device Current Drain
Worksheet” later in this section for current drain of
all supportable devices.
Wiring Run Chart for Devices* Drawing Aux Power From the Control (12V+ & 12V–)
TOTAL CURRENT DRAIN OF ALL DEVICES CONNECTED TO A SINGLE WIRE RUN
Wire Size
50mA or less
100mA
300mA
500mA
#22
500 ft (152m)
250 ft (76m)
80 ft (24m)
50 ft (15m)
#20
750 ft (228.6m)
380 ft (116m)
130 ft (39.6m)
80 ft (24m)
#18
1300 ft (396m)
650 ft (198m)
220 ft (67m)
130 ft (39.6m)
#16
1500 ft (457m)
1000 ft (305m)
330 ft (100.5m)
200 ft (70m)
*
Includes keypads, RF receivers, relay units, and 4285/4286 VIP Modules
The length of all wire runs must not exceed 1500
feet (457m) when unshielded quad conductor
cable is used (750 feet if shielded cable is used).
This restriction is due to the capacitive effect
on
the data lines when quad cable is used.
2. Run field wiring from the control to the keypads
(using standard 4-conductor twisted wire cable using
the wire gauge determined in step 1).
3. Connect remote keypads to terminals 4, 5, 6, and 7
on the control board, as shown in Figure 2-4.
5
6
7
4
CONTROL
TERMINALS
BLACK
RED
GREEN
YELLOW
kypd_conn_cb-V0
KEYPADS
KEYPAD CONNECTOR CABLE
Figure 2-4. Keypad Connections to the Control
Board
Supplementary Power
(Optional)
The control provides 500mA for powering keypads (up to
a maximum of 4) and other devices from the auxiliary
power output. The backup battery would supply power
to these keypads in the event that AC power is lost.
When the control’s auxiliary power load for all devices
exceeds 500mA, you can power additional keypads from
a regulated, 12VDC power supply (e.g., 487-12 supplies
12V, 250mA; 488-12 supplies 12V, 500mA). Use a UL
Listed, battery-backed supply for UL installations.
Keypads powered from supplies that do not have
a backup battery will not function when AC
power is lost. Therefore, be sure to power at
least one keypad from the Control's auxiliary
power output.
Connect the additional keypads as shown in Figure 2-5,
using the keypad wire colors shown. Be sure to observe
the current ratings for the power supply used.
Be sure to connect the negative (–) terminal on
the Power Supply unit to terminal 4 (AUX – ) on
the control.
UL
Use a UL listed, battery-backed supply, for UL installations. The battery supplies power to keypads in case
of AC power loss.
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