20mA O/P YES?
Enable 4 -

Net Safety Monitoring Inc

MODBUS OPTIONS

The digital RS-485 Modbus RTU protocol is used. There are two Modbus options: Node Address and Baud Rate.

Node Address

Each device connected to the chain must be assigned a unique node address (1- 255). The last number in the address is selected first.

Step 1:

When Modbus Setup? YES? displays press the Calibration Button

 

or use the Reed Switch to select.

 

The flashing YES confirms the selection.

Step 2:

The current node address will display Node: 000 .

Step 3:

Wait for the prompt New Address? YES? and press the Calibration

 

Button or use the Reed Switch to select.

Step 4: Use the Calibration Button or Reed Switch to select each of three numbers in the new address:

-select the last number in the address first: 0 thru 9.

-select the next number in the address: 0 thru 9.

- select the first number in the address last: 0 1 2 .

Baud Rate

The transmission speed must be defined.

Step 1:

When Modbus Setup? YES? displays press the Calibration Button

 

 

or use the Reed Switch to select.

 

 

The flashing YES confirms the selection.

 

Step 2:

After setting the Node Address, the current Baud Rate will display

 

XX.X BPS .

 

Step 3:

Wait for the prompt New Baud Rate? YES? and press the

 

 

Calibration Button or use the Reed Switch to select.

 

Step 4:

The available baud rates will display: 2400s , 4800s , 9600s,14.4s

,

 

19.2s , 28.8s , 38.4s , 57.6s .

 

Step 5:

Use the Calibration Button or use the Reed Switch to select baud

 

 

rate when it displays.

 

Step 6:

The flashing YES confirms the selection.

 

ENTER RESTRICTED MENU

The Restricted Menu allows you to set the Low Power Options.

Step 1: Press and hold the Calibration Button or the magnet to the Reed Switch to enter the Main Menu; wait for the countdown, from 10 to 0, to end.

Step 2: When Enter restricted menu YES? displays press the Calibration Button or use the Reed Switch to select. The flashing YES confirms the selection.

Step 3: When Are you sure? YES? displays press the Calibration Button or use the Reed Switch to select.

The flashing YES confirms the selection.

Set Low Power Options - Optional

Two optional low power features are available to reduce overall power consumption. Use this option to:

Dim the LED display although display will still be visible in most lighting conditions (default setting)

Disable the 4 to 20 mA analog output for applications requiring only relay output (default setting)

Step 1: Enter the Restricted Menu (refer to "Modbus Options" on page 16).

Step 2: When SetLow Power Options YES? displays press the Calibration Button or use the Reed Switch to select.

The flashing YES confirms the selection.

Step 3: When Lower Display Brightness YES? displays press the Calibration Button or use the Reed Switch to select or wait until Display Full Brightness YES? displays and select.

The flashing YES confirms the selection.

Step 4: When Disable 4 - 20mA O/P YES? displays press the Calibration Button or use the Reed Switch to select or wait until

displays and select.

The flashing YES confirms the selection.

MLP-A/AR/AD-ST1400-25

16

Page 21
Image 21
Millennium Enterprises AD-ST1400-25, MLP-A/AR Node Address, Baud Rate, Set Low Power Options Optional, Modbus Options