Crestron C2COM-2 Dokumentacja Pobierz pdf (Strona 13)

Crestron C2COM-3 2-Series RS-232/422/485 Expansion Card

The <rts> (request to send) input and the <cts> (clear to send) output are hardware

handshaking signals for use in applications where explicit handshaking control is

required. These signals are enabled only when the Handshaking setting of the device

is set to None in Configuration Manager.

Some serial driver symbols go beyond the basic serial drivers and have the added

capability to function as Serial I/O symbols. That is, in addition to the signals just

described, these symbols have an <enable> input, <str> and <delimiter>

parameters, and digital inputs and outputs. Together with <tx$> and <rx$>, these

signals function identically to a Serial I/O symbol, except that the positions of the

input and output signals are reversed.

For more information, refer to the latest release of the SIMPL Windows help.

Example Program

An example program for the C2COM-3 is available from the Crestron FTP site

(www.ftp.crestron.com

). Select the Examples folder and search for

C2COM-3.SMW.

Problem Solving

Troubleshooting

The table below provides corrective action for possible trouble situations. If further

assistance is required, please contact a Crestron customer service representative.

C2COM-3 Toubleshooting

TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTION

C2COM-3 does

not function.

Control System is not

receiving power.

Verify power to Control System.

Circuit card is not properly

seated in slot.

Verify C2COM-3 is properly inserted into

Control System slot per procedures in this

Operations Guide.

Cable from C2COM-3 to

controlled equipment is

incorrect.

Verify wiring. Connect only the required pins

for each communication type (refer to page

4). Check Crestron cable database. The

latest version is in the Downloads | Software

Update section of the Crestron website

(www.crestron.com).

Incorrect serial port

settings.

Verify the communication parameters

assigned in the "Device Settings" window as

described in the Programming section.

Programming error. Check SIMPL Windows program.

Framing Error or

Parity Error

Cable noise* or improper

comm settings in program.

Verify comm settings (Serial Settings tab)

and wiring.

Overrun Error or

RX Buffer Full

C2COM-3 is receiving data

at a higher rate than

program can process.

Enable Hardware or Software handshaking

in comm settings (Serial Settings tab) and in

device.

TX Buffer Full C2COM-3 is sending large

quantities of data in excess

of the device baud rate or

handshaking is enabled and

the receiving end is

preventing the system from

transmitting.

Change program to reduce serial data to

device or use a higher baud rate if device

can support the higher rate.

*Cable noise can be caused by high frequency interference, etc.

Operations & Installation Guide - Doc. 8176 2-Series RS-232/422/485 Expansion Card: C2COM-3 • 9

1 2 ... 8 9 10 11 12 13 14 15 16 17

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