Honeywell HC900 manual SixNet VT-MODEM Industrial External Modem

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

SixNet VT-MODEM Industrial External Modem

Step Action

1Connect the modem to a PC. If your PC’s RS-232 port has a 25 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.

2Connect power to the modem. You will need to supply an external power supply with a DC voltage between 10 and 30 VDC.

3Power-up the modem.

4Run a serial communication port program such as Hyperterminal.

5Within the communication program, select the port to which the modem is connected.

6Configure 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

7In the program's terminal window, restore factory defaults by keying-in the following command string:

AT &F0

Then, press the ENTER key.

8In the program’s terminal window, key-in the following command string:

AT E1 Q0

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

9Key-in the following command string:

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

The Modem should respond with OK.

10Key-in the following command string:

AT E0 Q1 &W0

The Modem will not respond.

11Power down the modem and disconnect it from the PC.

12Connect the modem to the RS-232 port of the HC900 Controller using a DB-9 male to DB-9 male modem cable.

13Connect the modem to a telephone jack.

14Power-up the modem and the HC900 Controller.

15On a remote computer, run Hybrid Control Designer software.

16Set up the PC software to dial the HC900 Controller.

17Use the PC software "Loop-back" feature to verify that communications are established with the remote HC900 Controller.

Revision 5	HC900 Hybrid Controller Installation and User Guide	99
9/03