Extron-electronics CTL208CM Manuel d'utilisateur télécharger pdf (Page 19)

CTL208CM Control Panel Module • Serial Communications

Serial Communications, cont’d

4-8 4-9

Buttons must be set to operate in toggle mode to assign

groups.

Groups cannot be assigned to buttons that are set to

operate in toggle mode and are assigned a timeout value.

11. When all of the desired programming changes are made,

click the Program button at the bottom of the window to

send all of the programming entries to the control panel

module.

End the session by selecting a different address than the

one assigned to the CTL208. This prevents the module

from responding to commands meant for another unit.

12. Click Inline Model > Select Address. The Addresses

window (figure 4-2) appears.

13. Click and drag on the slider or click the scroll up (

) or

down ( ) button until an address other than the CTL208’s

address is visible.

14. Click on the desired address.

15. Click Ok.

16. If necessary, reconfigure the comm port.

The communications protocols of the control panel

module should match the optimum protocols of the device

to be controlled.

17. If you need to change serial port settings to match the

serial communication protocol of the device to be

controlled, click Communications > Comm Port > Comm 1 (or

the correct Comm port). The Serial Port Setup window

appears (figure 4-3).

a. Select the desired settings by clicking in the

appropriate radio buttons.

b. Click Ok.

18. Click the

in the upper right corner of the startup

window to exit the program.

Using the help system

For information about program features, you can access the

help program in the following ways:

• From within the ICS100 startup window, click on the Help

entry on the task bar.

• From within the Button Codes window, press the F1 key.

Serial Commands

Communication protocols

The control panel module’s serial port is factory-configured to

9600 baud, no parity, no flow control, half-duplex mode.

If you change the serial protocols, communications between the

computer and the control panel module are lost until the

computer is updated to match the new control panel module

settings.

The communications protocols of the control panel

module should match the protocols of the device to be

controlled.

Command and response structure

Valid commands consist of a leading delimiter, one or more

characters in a command code, and an ending delimiter. The

control panel module’s response to an RS-232 command also

consists of a leading delimiter, a command code, and an ending

delimiter.

The control panel module’s leading delimiter code is always a

left bracket ( [ ). The ending delimiter code is always a right

bracket ( ] ).

Example: [CPp@] — where “[“ is the leading code, “CPp@” is

the command (reset the serial port to default values), and “]” is

the ending code.

Addressing the unit

The control panel module must be addressed before it will

accept and respond to commands. The address packet ([CC##],

where ## is the 2-digit address ) routes setup information to a

particular unit on a network and enables command responses.

Once the control panel module is addressed, it can accept an

unlimited number of commands. If a different unit is addressed,

the CTL208 ignores subsequent commands until addressed

again.

The factory-installed default address is 97, but this number can

be changed. The control panel module can also take commands

after receiving a broadcast address of 00, but it will not send

responses. Broadcast is for multiple units on an RS-485 serial

line in half duplex mode.

After you are finished programming the control panel module,

always terminate the session by sending an address packet to

another unit with a different address. This prevents the module

from responding to commands meant for another unit.

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Extron-electronics CTL208CM Manuel d'utilisateur Page 19

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