NOTE: Be sure to enable the termination resister on the
device at each end of the network (see Figure 7):
3. Set the desired address by pressing Up
or Down
and press the Enter
button to save.
4. For the Baud Rate, look for the P.-13 parameter then
press the Enter
button.
5. Select 00 for 9600 Baud or 01 for 19200 Baud. Press
the Enter
button to save.
How to Add an MRLDS-250 to the E2 Controller
1. MRLDS-250 is only native on E2 Enhanced Controllers
with firmware version 4.08F03; otherwise you need to
add a description file and license key.
2. Contact Customer Service to obtain a license key:
a. Phone Number: 770-425-2724 Option 4
Figure 7 - Termination Resister Setting
Set Up Analog Output Type and Scaling
1. For Analog Output, look for P.-03 on the parameter list
3. Add the description file using UltraSite.
4. Reboot the controller after the upload.
5. Load the license key on the E2 by logging in and then
press , ,.
then press the Enter
2. Set the desired output by pressing Up
to select the type designated as follows:
button.
or Down
6. Press F1 for ADD FEATURE and enter the License Key.
•
•
•
•
•
00 Selects 0-5V
7. Add the MRLDS-250 by pressing , ,,to
01 Selects 1-5V (Default)
02 Selects 0-10V
access Connected I/O Boards and Controllers.
8. Press F2 twice to select C4: Third Party tab.
03 Selects 2-10V
9. Scroll down to MGS250 and enter the quantity of
04 Selects 4-20mA
MRLDS-250 devices up to the maximum indicated.
10. Press the button to save.
3. Press the Enter
button to save.
4. For Scaling, look for P.-16 on the parameter list then
11. Press , ,,for Network Summary or
+.
press the Enter
button.
5. This will allow you to select the full scale PPM value that
represents the maximum analog output (for example:
1000PPM = 5V when 1-5V output range was selected
12. Scroll down to the MGS250 and press F4 for
COMMISSION.
13. Select the address the MRLDS-250 is set to and press
to confirm.
for P.-03). Use Up
or Down
to adjust the value
and set it to 1000PPM.
14. The MRLDS-250 should be Online on the E2 Network
Summary (press +).
6. Press the Enter
button to save the setting.
How to Configure Alarm Setup on the E2
Controller
MRLDS-250 Modbus Setup
Setting Up Modbus Address and Baud Rate
1. Press , and then select MGS250.
2. Press F5 for SETUP and F2 to select C2: Set Points.
3. Set the parameters depending on the System
Requirement and press the button to save.
1. Press and hold the
information button for five
seconds to activate the parameter list.
2. For the Address, look for P.-10 on the parameter list
then press the Enter
button.
Document Part # 026-4413 Rev 2
Page 3 of 4
©2018 Emerson Climate Technologies Retail Solutions, Inc. This document may be photocopied for personal use.
