Televac AN 3006: Resetting the MM200 Data Memory

Description

This application note explains the process for resetting the MM200 data memory from a Windows PC. The serial communications program Tera Term must be installed prior to following these instructions, and a serial to USB converter must be purchased. Note that this will reset all configurable features of the MM200, such as analog output and set point settings. If you don’t have Tera Term installed, click here to install the latest version from GitHub.

Instructions

1. Plug the serial to USB converter into your PC.

2. Open the Start Menu.

an3006-figure1

3. Open the Control Panel.

an3006-figure2

4. Open the Hardware and Sound.

Application Note 3007 | Figure

5. Open the Device Manager.

Application Note 3007 | Figure 4

6. Expand the Ports (COM & LPT) drop down.

Application Note 3007 | Figure 5

7. Determine the COM port assignment for your USB to serial converter, in this example the converter is assigned to COM3.

8. Open TeraTerm.

9. Open the Setup menu and select the Serial port… option.

Application Note 3006 | Figure 6

10. Change the Port setting to the COM port for your USB to serial converter, in this example it is COM3.

11. Ensure that the remainder of the settings are the following, then select OK:

  1. Baud rate: 9600
  2. Data: 8 bit
  3. Parity: none
  4. Stop: 1 bit
  5. Flow control: none
  6. Transmit delay: 0 msec/char, 0 msec/line
Application Note 3006 | Figure 7

12. Open the Setup menu and select the Terminal setup… option.

Application Note 3006 | Figure 8

13. Ensure that the settings are the following, then select OK:

  1. Receive: CR+LF
  2. Transmit: CR+LF
  3. Local echo checked
Application Note 3006 | Figure 9

14. Send the following commands (<CR> is equivalent to pressing the Enter key):

  1. D1<CR>
  2. CF<CR>
  3. PF<CR>
  4. BF<CR>
  5. CA3<CR>
  6. SE<CR>

15. The memory has been reset and the MM200 should be functional. If you are still experiencing issues, start a online chat with us, or contact our Technical Support Team.

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