Honeywell HC900 - Page 158

144 HC900 Process & Safety Controller User and Installation Manual Revision 6
21 April 2017
SixNet VT-MODEM Industrial External Modem
Step
Action
1
Connect 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 RS-232 port has a 9 pin connector, use a DB-9
male to DB-9 female RS-232cable.
2
Connect power to the modem. You will need to supply an external power supply with a DC
voltage between 10 and 30 VDC.
3
Power-up the modem.
4
Run a serial communication port program such as Hyperterminal.
5
Within the communication program, select the port to which the modem is connected.
6
Configure the port to these settings:
baud rate = 1200, 2400, 4800, 9600, 19200, 38400, 57600 (Must match Baud Rate
configured in HC900 Controller)
data bits = 8
parity = none
stop bits = 1
flow control = none
7
In the program's terminal window, restore factory defaults by keying-in the following command
string:
AT &F0
Then, press the ENTER key.
8
In 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.
9
Key-in the following command string:
AT &Y0 &C0 &D0 &R1 &S0 &K0 S0=1
The Modem should respond with OK.
10
Key-in the following command string:
AT E0 Q1 &W0
The Modem will not respond.
11
Power down the modem and disconnect it from the PC.
12
Connect the?
13
Connect the modem to a telephone jack.
14
Power-up the modem and the HC900 Controller.
15
On a remote computer, run Designer software.
16
Set up the PC software to dial the HC900 Controller.
17
Use the PC software "Loop-back" feature to verify that communications are established with
the remote HC900 Controller.