Revision 6
HC900 Process & Safety Controller User and Installation Manual
141
21 April 2017
Step
Action
8
Key in the following command string:
AT Y0
Then, press the
ENTER
key.
The modem should respond with OK.
9
Key in the following command string:
AT &B1
Then, press the
ENTER
key.
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
Set the modem switches to the following:
Switch
Setting
Position
Function
1
ON
DOWN
Modem ignores DTR (Override)
2
OFF
UP
Verbal (word) results
3
OFF
UP
Suppresses result codes
4
ON
DOWN
Suppresses echo
5
OFF
UP
Modem answers on first ring
6
ON
DOWN
CD always ON (Override)
7
OFF
UP
Loads Y0-Y4 configuration from user-defined
nonvolatile memory (NVRAM)
8
OFF
UP
Disables command recognition (dumb mode)
13
Connect the modem to the?
14
Connect the modem to a telephone jack.
15
Power up the modem and the HC900 Controller.
16
On a remote computer, run Designer Software.
17
Set up Designer Software to dial the HC900 Controller.
18
Verify that communications is established with the remote HC900 Controller.
Summary of Contents for HC900
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