This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Using ASCO 5170 (72EE2) QEM
ASCO 5170 QEM by default is configured for Ethernet communication. It should be configured first for Serial communication.
Here are the steps:
1. Open QEM.
2. Move jumper J203 to the left. This will activate Serial mode.
3. Move jumper J207 to the left. This will activate the RS-485 port.

After activating the Serial mode and RS-485 port. The following should be set accordingly:
1. Termination Resistor
2. RS-458 Connection

The next steps are to be configured on the Group 5 controller.
1. On Group 5 controller, go to Main Menu ➡ Settings ➡ General ➡ Serial Communication.
2. Select baud rate with MBUS prefix.
3. Enter the appropriate device address.

Refer to the Modus Register Map document (381339-221) for Group 5 Holding Register addresses.


ASCO 5170 QEM by default is configured for Ethernet communication. It should be configured first for Serial communication.
Here are the steps:
1. Open QEM.
2. Move jumper J203 to the left. This will activate Serial mode.
3. Move jumper J207 to the left. This will activate the RS-485 port.
After activating the Serial mode and RS-485 port. The following should be set accordingly:
1. Termination Resistor
2. RS-458 Connection
The next steps are to be configured on the Group 5 controller.
1. On Group 5 controller, go to Main Menu ➡ Settings ➡ General ➡ Serial Communication.
2. Select baud rate with MBUS prefix.
3. Enter the appropriate device address.
Refer to the Modus Register Map document (381339-221) for Group 5 Holding Register addresses.
Released for: Schneider Electric Egypt and North East Africa


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