Extron MLC 60 Series Setup Guide, rev. A
Product Category
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MLC 60 Series • Setup Guide
for the MLC 62 RS D, MLC 62 IR D, and MLC 64 RS VC D
The MLC 60 D Series are keypad controllers for use
in classrooms and meeting facilities. They mount
DISPLAY
to Decora®-style wallplates and therefore may be
ON
ON
OFF
ON
OFF
OFF
FF
referred to as “D” models. The controllers have
VOLUME
PC
backlit soft touch buttons and can control common
LAPTOP
AV functions, including power, input switching,
MUTE
VIDEO
and volume. The MLC RS series provides RS-232
serial and IR ports for universal display control. In
AUX
Extron
Extron
Extron
addition, a digital input and two relays are included
for monitoring and controlling other systems in the
room. The MLC 64 RS VC D has a volume control
module that lets you raise and lower the volume on
MLC 62 IR D
MLC 62 RS D
MLC 64 RS VC D
an Extron amplifier with a remote volume control
port, such as the MPA 122 or MPA 401. The MLC 62 IR D provides IR control only. These products mount in one-gang or
two-gang junction boxes and include black and white color options.
DISPLAY
DISPLAY
VOLUME
VOLUME
PC
VIDEO
PC
VIDEO
LAPTOP
MUTE
NOTES: • Installation and service must be performed by authorized personnel only.
• Check that the installation meets the local and state regulatory requirements, including building, electrical,
and safety codes, as well as UL and ADA accessibility requirements.
• For full installation, configuration, and operation details, see the MLC 60 Series User Guide, available at
www.extron.com.
Installation Steps
GROUND
Tx/IR
GROUND
Tx
GROUND
+12 VDC
MLC 62 RS D
1.
2
1
GROUND
IR OUT
GROUND
Tx/IR
GROUND
Tx
GROUND
+12 VDC
MLC 62 IR D
GROUND
+12 VDC
HOST/
CONFIG
DIGITAL
INPUT
RELAYS
N/O
VOL
GND
10V
HOST/
CONFIG
COMMON
PWR PORT A PORT B
IR/ S
RS-232
12 V
0.4 A MAX
1
GROUND
1
PORT A
IR
2
Tx
PWR
12V
0.4 A MAX
COMMON
Tx
GROUND
Rx
DIGITAL
INPUT
GROUND
1
GROUND
Rx
RELAYS
N/O
Tx
PWR PORT A PORT B
IR/ S
RS-232
12 V
0.4 A MAX
GROUND
Rx
HOST/
CONFIG
Rear Panels
MLC 64 RS VC D
Prepare the installation site. The MLC 60 D models can be installed in a standard US one-gang or two-gang electrical
wall box or mounting bracket (“mud ring”).
a.
Install the electrical box, following the instructions provided with it, or the provided mounting bracket.
CAUTION:
Ensure that the electrical box is properly grounded.
b. Prepare and pull the cables through the electrical box or mounting bracket.
1
MLC 60 Decora Series • Setup Guide (Continued)
Change the faceplate, buttons, and volume control knob as
needed.
Turn Knob to
Expose Screw
3.
Rotate the Allen wrench one-half turn counterclockwise to
loosen the hex screw, then lift off the knob.
U
M
Insert the small Allen wrench (provided) into the opening.
V
2.
E
Rotate the knob until the dot on the knob is aligned with
the bottom edge of the volume icon on the faceplate. The
notches in the edge of the knob and the notch in the edge of
the hole in the faceplate should be aligned, enabling you to
access the hex screw that holds the knob in place.
M
1.
TE
(MLC 64 RS VC D only) If changing the faceplate on the MLC 64
volume control module, first remove the volume knob:
LU
a.
Use Allen Wrench
to Loosen Screw
O
2.
b. Remove the faceplate from the MLC module as follows:
At the center top and bottom of the faceplate are tabs, which insert
into the slots on the MLC circuit board. Insert the flat end of a small
screwdriver into each of the holes at the top and bottom of the
faceplate and press each tab inward until the faceplate is released (see
the illustration at right).
c.
If desired, replace the buttons in the faceplate as follows:
1.
TE
OP
MU
PT
LA
Pegs (2)
2.
From the front of the faceplate, press the button membrane to be
replaced backward through its slots in the faceplate until it comes
free. If replacing the faceplate, repeat this step until all the buttons
are removed.
DISPLAY
ON
OFF
VOLUME
PC
VIDEO
Extron
On the back of the faceplate, set the new button membrane at
the desired location, with the the two pegs in the upper-left and
lower-right corners of the membrane (shown at left) in the holes
at opposite corners of the row. Press the pegs and buttons of the
membrane into the faceplate.
d. Reattach the faceplate as follows (see the illustration at right):
Making sure that both the MLC and the board are upright, line up the tabs
at the top and bottom of the faceplate with the slots on the board, and
press the faceplate into the board until the tabs snap into place. The pegs
in the upper-left and lower-right corners of the faceplate should be seated
in the two diagonal holes on the MLC board.
Insert peg
on faceplate
into hole.
Insert tab on
faceplate
into slot.
Tab
Peg
Y
LA
SP
e.
DI
F
OF
ON ME
(MLC 64 RS VC D only) If changing the volume control knob, press the new
knob onto the spindle of the volume control module, making sure that
the spindle is turned all the way to the left and that the dot on the knob
is aligned with the bottom edge of the volume icon on the faceplate.
Tighten the hex screw by rotating it one-half turn clockwise.
LU
VO
EO
VID
PC
TE
Tx
GROUND
1
COMMON
2
1
GROUND
Tx/IR
GROUND
Tx
GROUND
+12 VDC
2
RELAYS
N/O
Port A RS-232 (RS models only): Connect a display device or switcher to
this serial port to be controlled via RS-232.
IR/ S
zz
DIGITAL
INPUT
GROUND
Rx
HOST/
CONFIG
Connect the cables to the rear panel ports.
Attach the cables and IR emitters to the rear panel of the MLC and to the
display device or switcher as required.
PWR PORT A
RS-232
12V
0.4 A MAX
3.
MLC RS D Rear Panel
Ground ( )
Transmit (Tx)
Ground ( )
Receive (Rx)
Display Device
Insert peg
on faceplate
into hole.
P
TO
P
LA
MU
HOST/
CONFIG
Product Category
GROUND
Rx
Tx
Port B IR/S (RS models) or Port A IR (IR models): Connect a display device, switcher, or up to two IR emitters to
this port. On RS models, you can configure Port B IR/S for either serial or IR communication, using the MLC 60 Series
configuration program. On IR-only models, Port A IR supports only an IR connection.
DIGITAL
INPUT
zz
GROUND
RELAYS
N/O
1
COMMON
2
Ground ( )
IR Signal
PWR PORT A PORT B
IR/ S
RS-232
12V
0.4 A MAX
1
GROUND
Tx/IR
GROUND
Tx
GROUND
+12 VDC
IR Emitter
50'
(15 m)
MLC RS D Rear Panel
Relays port (RS models only): The Relays port provides connections for two relays. Connect one or two devices
(such as a low-voltage controller and a motorized screen, shown in the example below) to this port. The relay ports
are normally open and rated for 24 VDC, 1 A (see the example below).
NOTE:
If you are using both relay ports, connect the ground wires of both devices to common pin 3.
Tx
GROUND
GROUND
Tx/IR
GROUND
Pin:
3
2
1
PORT B
PWR
RS-232
IR/ S
12V
0.2 A MAX
2
1
RELAYS
N/O
1
COMMON
Power
Supply
HOST/
CONFIG
GROUND
Rx
DIGITAL
INPUT
zz
Ground ( )
110/220 V
Ground ( )
Signal
Low Voltage
Screen Control
Motorized
Screen
MLC RS D Rear Panel
Tx
GROUND
zz
Digital Input port (RS models only) — The Digital Input port enables you to connect a switch or sensor to
control other devices in the room that are connected to the MLC serial, IR, or relay ports. The port measures the
high and low states of the connection between the switch or sensor and the connected device. For the voltage
thresholds, a voltage below 1.0 VDC is measured as logic low, and a voltage above 1.5 VDC as logic high. When a
MLC 62 RS D
threshold
between the states is crossed (from high to low and vice versa), the selected action occurs.
Rear Panel
+12 VDC
By default, this port is configured with a 5 V pull-up for use with basic non-powered switches. If the device being
connected has its own power source, configure the port to disable the pull-up mode (see the configuration
program help file for port configuration procedures). To wire this port, see the example below.
1
COMMON
DIGITAL
INPUT
Tx
GROUND
Pin:
2
1
Ground ( )
Digital Input
RELAYS
N/O
GROUND
Rx
HOST/
CONFIG
Two-position Switch
MLC RS D Rear Panel
2
1
Tx/IR
GROUND
Tx
GROUND
+12 VDC
IR/ S
Wire the volume control module (MLC 64 RS VC D only) ­—
Connect the remote volume control port of an Extron amplifier
to the 3-pole captive screw connector on the rear panel of the
MLC 64 volume control module, as shown at right. No software
configuration is required for this module.
PWR
RS-232
12V
0.2 A MAX
Vol/Mute
10V
1 2 3
Amplifier
Rear Panel
10 V
Vol/Mute
Ground
• Use shielded cable for audio connections to avoid
inducing noise.
10V
NOTES: • Choose an Extron amplifier that is capable of
remote volume control and muting. Not all
Extron amplifiers have remote volume control
ports. The MPA 122 or MPA 401 are examples of
the type of amplifier to use.
VOL
In the illustration at right, A = ground, B = Volume and mute
control, and C = 10 VDC reference voltage.
GND
zz
GROUND
ABC
MLC 64 VCM
Rear Panel
3
COMMON
2
1
GROUND
Tx/IR
GROUND
Tx
GROUND
+12 VDC
IR/ S
1
RELAYS
N/O
Connect and apply power. Connect the included power supply to the MLC as shown below, then connect power to
all devices in the system.
3/16”
(5 mm) Max.
PORT A
PWR
RS-232
12V
0.4 A MAX
4.
HOST/
CONFIG
Tx
GROUND
DIGITAL
INPUT
GROUND
Rx
A
Ridges
Ground
12 VDC input
Smooth
Power Supply
Output Cord
A
Ground all devices.
MLC RS D Rear Panel
5.
SECTION A–A
Configure the MLC buttons and ports (see the MLC 60 Series Configuration
Program Help File for the procedures):
a.
USB
Configuration
Port
Load and install the configuration software from the Extron website or the
provided DVD.
DISPLAY
ON
b. Obtain device drivers. Drivers for the devices that will be connected to the MLC
rear panel IR and serial ports can be obtained from the provided MLC software
DVD or downloaded from the Extron website at www.extron.com. You can
also obtain them using the configuration software if an Internet connection is
available.
c.
Connect the MLC to the computer, using a USB A to USB mini B cable between
the MLC front panel USB port (shown at right) and the computer USB port.
Alternatively, use an RS-232 cable to connect the MLC rear panel Host/Config port
to the computer serial port.
OFF
VOLUME
PC
VIDEO
LAPTOP
MUTE
Extron
d. Upload the configuration to the MLC.
NOTE: The volume control module of the MLC 64 RS VC D is standalone and requires no configuration.
6.
Test the system to ensure that the MLC is functioning properly.
7.
Mount the MLC to an electrical box or a Decora mounting bracket.
zz
Secure the MLC unit into a mounted electrical box using the provided screws in the oval slots at the top and
bottom of the unit (follow the instructions provided with the electrical box); or
zz
Mount the MLC to a Decora mounting bracket (see the MLC 60 Series User Guide for the procedure).
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Headquarters
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4
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© 2011 Extron Electronics All rights reserved. www.extron.com
68-2166-50 Rev. A
11 11
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