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Control signal source
(lighting console example)
10" min.
(25cm)
6" min.
(15cm)
17" min.
(41cm)
(41cm)
B R
A N
C H
IN
C IR
T H
C U
B E
IS
IT
S H
C A
B R
S E
U T
B IN
E A
R V
E T
O F
K E
IC
R S
F B
M
IN
U S
G
E F
T
L O
O R
A D
E
S .
Figure 2: Sensor rack
clearances
Sensor Delta Dimming Installation Guide
Dimming system installation summary
DMX512/ETCLink
Wallplate
Deciding where to mount the rack
Sensor Delta dimmer racks require 10 inches (25cm) of top clearance for
proper airflow through the cabinet. To allow the door to open sufficiently to
remove and install modules, install the rack with 17 inches (44cm) of front
clearance and 6 inches (15cm) of clearance to the left of the door hinge.
Note: Ignore the 6 inch (15cm) door clearance when installing Sensor Delta
racks side by side. They are designed not to cause door interference.
Dimmer room requirements
A clean (not dusty) temperature-controlled environment
Non-condensing humidity conditions
Restricted public access to prevent tampering
Soundproofing or stage area separation to muffle ventilation fan noise.
SR12D and SR24D racks are wall-mounted. SR48D racks are floor standing,
but must be secured to a wall for stability.
For good control access, install racks so the Control Electronics Module (CEM)
is between three and five feet (1–1.5 metres) from the floor. In SR12D and
SR24D racks, the CEM is in the bottom slot. In the SR48D rack, the CEM slot
is in the middle.
Note: Delta Control Electronics Modules (CEMD) are required for Sensor
Delta systems. For convenience, the CEMD is referred to as a Control
Electronics Module (CEM) in this manual.
Wire routing
Sensor racks have access panels at the top and bottom. Line and load cables
enter from the top or bottom of the auxiliary bay. Signal wiring can enter from
the auxiliary bay or through the dimmer rack cabinet. Signal and power wiring
must be run in separate conduit.
Line feed
Control
network
conduit
Figure 1: A basic lighting system using Sensor dimming
Lighting loads
Dimming Rack
(SRD12 example)
7
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