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C3COM-3/C3IO-16/C3IR-8/C3RY-16/C3RY-8
3-Series® Control Cards
Installation Guide
Description
Crestron® 3-Series® control cards are designed to install
into a control card expansion slot of a 3-Series Control
®
System
device (PRO3 or AV3). The cards can also be
installed into a 3-Series Card Interface device
(CEN-CI3-1 or CEN-CI3-3).
NOTE: The AV3 requires the CAGE3 Control Card
Expansion Cage accessory to enable use of 3-Series
control cards.
NOTE: 3-Series control cards are not compatible
with the 2-Series PRO2, AV2, or PAC2 models. Even
when installed in the CAGE3 Control Card Expansion
Cage, the cards are not compatible with any 2-Series
control system.
Additional Resources
Visit the product page on the Crestron website
(www.crestron.com) for additional information and the
latest rmware updates. Use a QR reader application on
your mobile device to scan the appropriate QR image.
C3IO-16C3COM-3
C3IR-8 C3RY-8
C3RY-16
Installation
Items required to install the 3-Series control cards are
already attached to the unit. The only tools required
are a Phillips screwdriver and a grounding strap. To
install the control card, follow the procedure below.
CAUTION: 3-Series control cards contain
electrostatic-sensitive devices (ESD); observe
precautions for handling ESDs to avoid damaging the
card.
NOTE: If the card is being installed into an AV3,
ensure that the CAGE3 Control Card Expansion Cage
accessory is installed before completing this
procedure.
1. Disconnect power from the control system.
2. Use the Phillips screwdriver to remove two
screws and the blank faceplate from the control
system.
3. Align the 3-Series control card guides in the open
slot and slide the control card into position.
4. Firmly press on both ends of the 3-Series control
card faceplate to seat the control card into the
control system connector.
5. Tighten the thumb screws to secure the 3-Series
control card to the control system.
6. Reapply power to the control system.
C3COM-3 Wiring Connections
The C3COM-3 provides three bidirectional
RS-232/422/485 ports (COM 1−3). Refer to the
following table when making connections to the
C3COM-3.
C3COM-3 Pin Out
PIN RS-232 RS-422 RS-485
GND GND GND
G
TX TX- TX-/RX-
TX
RX RX+ (Not Used)
RX
RTS TX+ TX+/RX+
RTS
CTS RX- (Not Used)
CTS
1
A ground terminal connection is recommended but not
required. Ground potential difference must be under +/-4 v.
1
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C3RY-8/C3RY-16 Wiring Schematics
The C3RY-8 and C3RY-16 provide two terminal blocks
that contain eight normally open, isolated relays
(rated 1 amp, 30 volts ac/dc). Refer to the following
diagrams when making connections to the C3RY-8 or
C3RY-16.
C3RY-8 Wiring Schematic
1 2 3 4 5 6 7 8
C3RY-16 Wiring Schematic
A B
1
2 3 4 5 6 7 8 C
1
2 3 4 5 6 7 8 C
Troubleshooting
The following table provides corrective actions for
possible issues that may arise. If further assistance is
required, please contact a Crestron customer service
representative.
3-Series Control Card Troubleshooting
TROUBLE POSSIBLE
CAUSE(S)
The control
card does
not function.
The control
system is not
receiving
power.
The control
card is not
properly
seated in the
slot.
There is a
loss of
functionality
due to
The control
system is
improperly
grounded.
electrostatic
discharge.
CORRECTIVE
ACTION
Verify the
power to the
control
system.
Verify that the
control card is
properly
inserted into
the control
system slot
per the
procedure in
this guide.
Check that all
connections to
the control
system have
been properly
made.
As of the date of manufacture, the device has been tested
and found to comply with specications for CE marking.
These products are Listed to applicable UL
requirements by Underwriters Laboratories Inc.
Ces produits sont énumérés aux normes applicables et les
exigences UL par Underwriters Laboratories Inc.
Federal Communications Commission (FCC) Compliance
Statement
CAUTION: Changes or modications not expressly approved
by the manufacturer responsible for compliance could void
the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV
technician for help.
®
Standards and
Industry Canada (IC) Compliance Statement
CAN ICES-3(B)/NMB-3(B)
Product warranty can be found at
www.crestron.com/warranty.
The specic patents that cover Crestron products are listed at
patents.crestron.com.
Certain Crestron products contain open source software. For
specic information, please visit
www.crestron.com/opensource.
Crestron, the Crestron logo, 3-Series, and 3-Series Control
System are either trademarks or registered trademarks of
Crestron Electronics, Inc. in the United States and/or other
countries. UL and the UL logo are either trademarks or
registered trademarks of Underwriters Laboratories, Inc. in
the United States and/or other countries. Other trademarks,
registered trademarks, and trade names may be used in this
document to refer to either the entities claiming the marks
and names or their products. Crestron disclaims any
proprietary interest in the marks and names of others.
Crestron is not responsible for errors in typography or
photography.
This document was written by the Technical Publications
department at Crestron.
©2017 Crestron Electronics, Inc.
Crestron Electronics, Inc. Installation Guide
15 Volvo Drive DOC. 7944B
Rockleigh, NJ 07647 (2047636)
Tel: 888.CRESTRON 02.17
Fax: 201.767.7576 Specications subject to
www.crestron.com change without notice.
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