Honeywell HC900 Benutzerhandbuch

Communications Installation - Connecting the HC900 Controller to a PC with the Hybrid Control Designer Software 

98 

  HC900 Hybrid Controller Installation and User Guide 

Revision 5 

  

9/03 

 

Connect the modem to a PC. If your PC’s RS-232 port has a 2- pin connector, use a DB-9 
male to DB-25 female modem cable. If your PC’s RS-232 port has a 9-pin connector, use a 
DB-9 male to DB-9 female RS-232 cable. 

Connect power to the modem. 

Power-up the modem. 

Run a serial communication port program such as Hyperterminal. 

Within the communication program, select the port to which the modem is connected. 

Configure the port to these settings: 

 

baud rate = 9600, 19200, 38400, 57600 (Must match Baud Rate configured in HC900 

   Controller) 
 

data bits = 8 

 

parity = none 

 

stop bits = 1 

 

flow control = none 

In the program's terminal window, restore factory defaults by keying-in the following command 
string: 

AT &F0

 

Then, press the ENTER key. 

In the program’s terminal window, key-in in the following command string: 

AT E1 Q0

 

Then, press the ENTER key.  The modem should give an 

OK

 response. 

Key-in the following command string: 

AT &C0 &D0 &K0 &R1 &S0 &Y0 S0=1

 

The Modem should respond with 

OK

. 

Key-in the following command string: 

AT E0 Q1 &W0

 

The Modem will not respond. 

Power down the modem and disconnect it from the PC. 

Connect the modem’s serial cable to the RS-232 port of the HC900 using a DB-9 male to DB-9 
male RS-232 cable. 

Connect the modem to a telephone jack. 

Power up the modem and the HC900 Controller. 

On a remote computer, run Hybrid Control Designer software. 

Set up the PC software to dial the HC900 Controller. 

Use the PC software "Loop-back" feature to verify that communications are established with 
the remote HC900 Controller.