Crestron ST-LT User Manual
CRESTRON
Contents
Lutron Interface 1
Description.................................................................................................................................1
Functional Description ................................................................................................1
Physical Description.................................................................................................... 1
Leading Specifications...............................................................................................................5
Setup .......................................................................................................................................... 5
Identity Code ............................................................................................................... 5
Dip Switch Settings for GRAFIK Eye Use ................................................................. 7
Preparation for Use...................................................................................................... 9
Programming.............................................................................................................10
Problem Solving ...................................................................................................................... 16
Troubleshooting ........................................................................................................16
Further Inquiries........................................................................................................16
Syntax........................................................................................................................ 16
Return and Warranty Policies..................................................................................................17
Merchandise Returns / Repair Service ...................................................................... 17
CRESTRON Limited Warranty ................................................................................17
Appendix: GRAFIK Eye Commands ...................................................................................... 18
Format for Commands...............................................................................................18
GRX-AV-RS232 Command List ..............................................................................18
GRX-AV-RS232/ATC Command List .....................................................................22
Operations Guide - Doc. 5694 Contents • i
CRESTRON
Lutron Interface
Description
Functional Description
There are two CRESTRON Lutron Interface configurations available: ST-LT and
STI-LT. Configuration differences depend on which power pack is supplied. The
ST-LT includes a power pack for a 120V AC supply and the STI-LT includes a
power pack for 220V AC. For purposes of this Operations Guide, the term ST-LT is
used for either configuration.
The ST-LT is a device that permits the CRESTRON CRESNET II System or
SmarTouch STS to interface with a Lutron GRAFIK Eye Lighting System. Future
ST-LT production models shall permit an interface with the Lutron Homeworks
System. If the ST-LT is part of the CRESNET II System, use of the supplied power
pack is optional.
Physical Description
The ST-LT is housed in a black enclosure with silk-screened labels on the front and
rear panels. On the front of the unit there are seven LEDs for indicating the unit’s
current status. All connections are made on the back of the unit. Refer to the physical
views shown after this paragraph. There are four rubber feet on the base of the unit
for stability and to prevent slippage.
Operations Guide - Doc. 5694 Lutron Interface • 1
CRESTRON
ST-LT Physical Views
ST-LT Ports
A number of ports are provided on the back of the ST-LT. Each has a silk-screened
label. Refer to illustration and descriptions below.
ST-LT Ports
12 VDC .5 A
This DC power socket connector is used to supply external power via the supplied
500 mA power pack (1000 mA power pack for the STI-LT). If the ST-LT is part of
the CRESNET II System, use of the supplied power pack is optional.
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CRESTRON
NET
These two 6-pin, 6-position RJ11 modular jacks are used to connect the ST-LT
module to either the SmarTouch STS or CRESNET II remote control system. When
the module is part of the CRESNET II system, power is provided via the NET
connection; the supplied power pack need not be attached. Two NET ports are
available so that network units can be daisy-chained together. Review the latest
revision of the Network Modular Cable Requirements (Doc. 5682).
NOTE: Most 4-conductor phone cables are wired in a crisscross fashion and are not
compatible with CRESTRON equipment.
If the power pack is attached when the ST-LT is part of the CRESNET II system,
power is drawn from the power pack. The module does not load the network power,
but the network power remains chained for additional network devices that are
connected.
RS-232
This 9-pin (DB9) connector is a Lutron compatible RS-232 interface for connections
to a PC running Lutron configuration and control software. This connector is
equivalent to Lutron’s GRX-AV-RS232.
ST-LT Pinout (RS-232)
PIN DESCRIPTION
1
2
3
4
5
6
7
8
9
n/c
TXD
RXD
n/c
GND
n/c
CTS
RTS
n/c
A standard DB9 male to DB9 female straight-through cable may be used to connect
the RS-232 port of the ST-LT to a PC. This port is activated through the program
running on the control system. Refer to “Programming” on page 10 for more details.
LUTRON MUX LINK
This 4-pin connector connects to the Lutron Mux Link Network. The Lutron’s
network line (refer to the following table) is not compatible with the CRESTRON
network line; do not connect to each other.
Description of Lutron Network Lines
LUTRON DESCRIPTION
MUX*
MUX
+V
COM
DATA- Line
DATA+ Line
Voltage Line
Ground
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CRESTRON
ST-LT Indicators
There are seven LED indicators located on the front panel of the ST-LT. Refer to
illustration and descriptions below.
ST-LT Indicators
PWR (Power)
This LED illuminates when 12 volts (from power packs) or 24 volts DC (from
network) is supplied to the ST-LT.
NET
This LED remains illuminated when communication between either the SmarTouch
STS or CRESNET II remote control system and the ST-LT is established.
Illumination indicates that the SIMPL program currently loaded has a network
device defined at the same ID as the ST-LT.
CRESTRON SND
This LED flashes when the ST-LT sends a command to the Lutron Mux Link
Network.
CRESTRON RCV
This LED flashes when the ST-LT receives a command from the Lutron Mux Link
Network.
LUTRON CMD
This LED illuminates when the Lutron Mux Link Network receives a command
from the CRESNET II System via the ST-LT. Once the command is completed, the
LED extinguishes.
LUTRON POLL
This LED illuminates when Lutron Mux Link polling occurs.
LUTRON PWR
This LED illuminates when voltage is supplied from the Lutron Mux Link Network.
4 • Lutron Interface Operations Guide - Doc. 5694
CRESTRON
Leading Specifications
The table below provides a summary of leading specifications for the ST-LT
module. Dimensions and weight are approximations rounded to the nearest
thousandth unit.
Leading Specifications of the ST-LT
SPECIFICATION DETAILS
Power Requirements
Power Factor
CRESNET II Workshop
SIMPL Compiler
CRESNET II Operating System
SmarTouch Operating System
STS VisionTools
STS Database
Dimensions & Weight
TM
for Windows (STS/VTW)
12 or 24 VDC
2.5 Watts
Version 5.24 or later
3.18.04 or later
3.17.31 or later
Any
Version 10.7 or later
Version 10.7.100.02 or later
Height: 1.700 in (4.318 cm)
Width: 7.066 in (17.948 cm)
Depth: 6.322 in (16.058 cm)
Weight: 2.100 lb (0.953 kg)
Setup
As of the date of manufacture, the unit has been tested and found to comply with
specifications for CE marking.
Identity Code
Every equipment and user interface within the CRESNET II requires a unique
identity code (NET ID). These codes are recognized by a two-digit hexadecimal
number from 03 to FE. The NET ID of each unit must match an ID CODE specified
in the “NET.ID” statement of the CRESNET II SIMPL-I program in order for the
device to be addressed properly. The NET ID of each ST-LT has been factory set to
1C, but may be changed from the PC via STS/VTW software or the CRESNET II
Workshop.
Change NET ID via STS/VTW Software
Attach the ST-LT to SmarTouch STS or CRESNET II system (verify that the
STS/VTW software is running) and complete the following steps to change the NET
ID.
1. Disconnect all network devices from the CRESNET II network or
modular devices from the STS system, except for the one ST-LT that
needs to have its NET ID code changed.
2. Select ViewPort from the Tools pull-down menu to open the “Crestron
Performance Viewport” dialog box.
3. Select Set Network ID from the Options pull-down menu. The software
checks the baud rate and then opens the “Set Network ID” dialog box.
Operations Guide - Doc. 5694 Lutron Interface • 5
CRESTRON
4. Notice the list of current network devices in the dialog box. Highlight
the ST-LT.
5. The factory set NET ID of the ST-LT (1C) appears in the dialog box.
Use the scroll arrow to assign the new NET ID.
6. When the newly assigned NET ID appears, select the Set ID button to
initiate the change.
7. The software responds with a successful message to confirm the new
NET ID.
8. To verify this procedure, select Report Network Devices from the
Options pull-down menu. Confirm that the ST-LT has the new NET ID
code.
9. Reconnect other network or modular devices that were disconnected in
step 1.
Change NET ID via CRESNET II Workshop (Workshop v5.20 or later and OPS version 3.16.11 or higher required)
Attach ST-LT to CRESNET II system (verify that the workshop is open and
running) and complete the following steps to change the NET ID.
1. Disconnect all network devices from the CRESNET II network or
modular devices from the STS system, except for the one ST-LT that
needs to have its NET ID code changed.
2. Highlight performance Viewport from the UTILITIES MENU of the
CRESNET II Workshop.
3. Depress the key combination ALT-I. The Workshop responds with the
screen shown below and requests the old NET ID code for the ST-LT
Changing the NET ID - ST-LT Workshop Screens (1 of 3)
4. Enter the old NET ID code (in two-digit hexadecimal format) and
depress ENTER. The Workshop responds with the screen shown after
this step and requests a new NET ID code for the ST-LT.
6 • Lutron Interface Operations Guide - Doc. 5694
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