Emerson Network Router - Manual (Page 43)

Installation and Use Manual 37
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Chapter 4
Initial Transmitter Startup Procedures
4.1 Overview
The first time you start up your transmitter, it may be useful to perform one or more of the following
tasks:
• Perform a loop test on transmitter outputs (and inputs, if your transmitter has a discrete input
or frequency input)
• Trim the mA outputs
• Zero the meter
Not all transmitters or all meters require these steps. Refer to the transmitter manual shipped with
your device.
4.2 Loop tests
A loop test is a means to:
• Verify that outputs are being sent by the transmitter and received accurately by the receiving
devices
• Determine whether or not you need to trim the mA outputs
• Verify that the discrete input or frequency input sent by an external device is being received
correctly by the transmitter (if the transmitter has a discrete input or frequency input)
The general procedure for performing a loop test is shown in Figure 4-1. You can also perform a loop
test from the Commissioning Wizard:
1. Choose Tools > Commissioning Wizard .
2. Click Task 5: Perform loop tests .
3. Click Next .