Mounting and Wiring

Remote Access

SixNet VT-MODEM Industrial External Modem

Step

Action

1Connect the modem to a PC. If your PC’s RS232 port has a 25 pin connector, use a DB-9 male to DB-25 female modem cable. If your PC’s RS232 port has a 9 pin connector, use a DB-9 male to DB-9 female RS232 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 data bits = 8 parity = none stop bits = 1

flow control = none

7In the program’s terminal window, type in the letters “AT E1 Q0” followed by the enter key. The modem should give an OK response.

8Enter the following command string:

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

Modem should respond with OK.

9Enter the following command string:

AT E0 Q1 &W0

Modem will not respond.

10Power down the modem and disconnect it from the PC.

11Connect the modem to the RS232 port of the UMC800 using a DB-9 male to DB-9 male modem cable. Null modem cable may not work.

12Connect the modem to a telephone jack.

13Power-up the modem and the UMC800.

14On a remote computer, run Control Builder software.

15Setup Control Builder to dial the UMC800.

16Verify that communications is established with the remote UMC800.

50

UMC800 Controller Installation and User Guide

Release F

 

 

4/01

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Honeywell UMC800 manual SixNet VT-MODEM Industrial External Modem