Emerson MRLDS-250 - Basic Set up; Overview; How to Set up Analog Output Type of MRLDS-250

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SUPPORT CENTER ADVISORY
Basic Set Up
A. Overview
• The MRLDS – 250 provides an Analog Output signal that is proportional to the level of gas
detected.
• The Default will 1-5V but it can be set as follows: 4-20mA; 0-5V; 0-10V; 2-10V.
• No Jumpers or hardware switch settings are required to configure the Analog Output Type.
This is done electronically from the front panel display.
• Press and hold the information button for five seconds to activate the parameter list.
• Each parameter is shown in turn by using the UP or DOWN buttons. The parameter
is shown as P.-XX, with XX being the parameter value. Pressing Enter while a
parameter is displayed allows the attributes of the parameter to be set. Each Parameter has
its own attributes, as shown in the following table. Set the attributes as desired, and then press
Enter to save the setting.
B. How to Set Up Analog Output Type of MRLDS-250
1. For Address, look for P.-03 on the parameter list then press Enter button.
2. Set the desired type by pressing Up or Down with the type was designated as
follows:
➢ 00 Selects 0-5V
➢ 01 Selects 1-5V (Default)
➢ 02 Selects 0-10V
➢ 03 Selects 2-10V
➢ 04 Selects 4-20mA
3. Press Enter button to Save.
4. For Scaling, look for P.-16 on the parameter list then press Enter button.
5. This will allow the user to select the full-scale PPM value that represents the maximum analog
output (for example 1000PPM = 5V when 1-5V was selected on P.-03). Use the Up or
Down to adjust the value and set it to 1000PPM.
6. Press Enter to save the setting.