RR301 Remote Reader FAQ

Roles: Admin, Technician
Last Updated: April 2020


This article contains FAQ details related to the operation of the RR301 Remote Reader.

When should a Remote Reader be reset and how is this done?

Situations that Require a Remote Reader Reset:

  • Accidental pulses were recorded during installation or maintenance
  • Remote Reader battery was replaced
  • Meter's reed switch was replaced
  • The meter was replaced
  • Any other situation where the meter's visual read does not match the read appearing in the NextCentury system

Resetting the Remote Reader will revert its pulse count back to 0. A new IMR is entered, which compensates for the drop in the pulse count.

How to Reset a RR301 Remote Reader:

The RR301-TR does not have a reset button. The pulse count can be reset using the Direct Connect, or manually by bridging the meter 1 or meter 2 pins:

  1. Remove the RR301 from its mounting plate
  2. With a metal object, bridge the corresponding pins on the back of the RR301
    • For meter 1, bridge the first 2 pins from the left
    • For meter 2, bridge the first 2 pins from the right
  3. Continue to bridge the pins for 10 seconds
  4. The LCD will adjust its reading 

Once the LCD adjusts its reading, this indicates that the pulses have been reset.

Note: A reset will not clear the IMR. A new IMR should always be recorded when a Remote Reader is reset. This can be done using the DC301 Direct Connect. The IMR (initial meter read) is the meter's exact read at the time the Remote Reader was reset. The IMR should only include whole numbers, decimals are excluded.

What steps must be taken to commission a new RR301 Remote Reader during the installation process?

The following points apply to the installation and function of a new Remote Reader:

  • Remote Readers ship in a sleep mode to meet shipping requirements. The Remote Reader will wake up once removed from its mounting plate for installation. It will never return to sleep mode after being woken up. Tamper alerts will be inactive for 30 minutes after being woken up.
  • Once woken, RR301 Remote Readers will need to be configured using the DC301 Direct Connect.
  • After configuring and installing the Remote Reader, it will begin to interpret meter reads.
What Types of Meter Inputs Can the RR301 Remote Reader Read?

Pulse Types: The RR301 Remote Reader can read the signals of both "passive" and "active" pulse-output meters. This includes many meter models for gas, electric, run time, thermal usage, and water utilities.

Polarity: Meters that have no polarity in their wiring (do not require the two wires to be connected to a specific port on the Remote Reader) are typically circuit closure type devices. This includes meters that use reed switches or mechanical relays to create the pulse signal. This type of signal is referred to as a "passive pulse" since the meter's pulse mechanism does not generate any electric current. It simply completes a circuit between the two pulse output ports. With this type of output, the voltage to detect the contact closure comes from the Remote Reader.

Some meters emit an "active pulse" or actually give off a voltage when they pulse. These types of meters use voltage charge coils, solid-state relays, or digital I/O pin to give off the signal. In this case, one wire is connected to the - ground/common ("-") port of the meter and the other is connected to the + positive. Because an actual voltage is being emitted in this case, it is important that the common port/wire is connected to the "-" terminal on the NextCentury Remote Reader and the positive wire is connected to the "+" terminal. Some examples of meters that emit this type of "active pulse" are the Hershey 430 water meters and Leviton electric meters.

Encoded: The RR301 Remote Reader can interpret signals from most encoded meters. Meters that use Neptune, Sensus, and Elster/AMCO protocols are supported.

What are the battery details including type, expected life, and replacement?

Battery Type: The RR301 Remote Reader comes with a field-replaceable lithium-ion battery. Replacements can be purchased from your distributor.

Battery Replacement: The RR301 battery is replaceable. To ensure the meter read & usage is recorded correctly, the Remote Reader should be reset after the installation of a new battery and a new IMR recorded.

Battery Life: The RR301 Remote Reader has an estimated 10-year battery life, based on normal operating conditions between 70°-90°F. Temperature extremes reduce the battery's capacity.

What are the pulse input width, frequency, and impedance requirements for the RR301 Remote Reader?

Impedance Threshold During a Pulse: We recommend a closed impedance of fewer than 1k ohms (the closer to 0 ohms the better) and an open impedance of more than 3 MegaOhms.

Maximum Pulse Frequency and Pulse Width: The minimum pulse width required by the NextCentury Remote Reader is 9ms. Meaning that an open impedance of more than 3 MegaOhms must be present for 9ms and then an impedance of fewer than 1k Ohms must be present in order for a pulse to be counted as valid.

In addition to pulse-width specifications, please note that the RR301 Remote Reader has a limit on the pulse frequency. A maximum of 8 pulses per second is recorded as valid. Pulses received at a higher frequency will be filtered out as potential false pulses.

Please contact Support if you need help determining whether a specific meter will meet with the specifications:

Specification

Value

Closed impedance

<1k ohms

Open impedance

>3 MegaOhms

Minimum pulse width

>9 ms

Maximum pulse frequency

<8 per second

What is the maximum length of wire from a meter to the Remote Reader?

A distance of 100 feet has been tested, but longer distances may be possible under ideal wiring conditions.

What do the LED light indicators on the Remote Reader mean?

Observed at Any Time:

  • Single blue blink each time a pulse is recorded from meter 1
  • Single purple blink each time a pulse is recorded from meter 2

Observed After Activating Magnetic Sensor or Tamper:

  • Two green blinks mean that the Remote Reader received a confirmation message from the Direct Connect.
  • Eight rapid red blinks mean that the Remote Reader is attempting to communicate with the Direct Connect.