About the 100W-R and 100WP-R ERT Module
TDC-0951-005 100W-R and 100WP-R Datalogging ERT Module Installation Guide 6
Proprietary and Confidential
3. Meter manufacturer quiet mode
Meter manufacturers can configure the ERT module for quiet mode after initializing and direct
mounting the 100W-R in the factory.
The ERT module awakens from quiet mode and enters run mode in one of two ways:
1. The 100W-R detects consumption at the top of the hour (last hourly interval >1 or <-1).
2. The 100W-R receives a two-way command (for example, a Read ERT using FDM software).
100WP-R Operating Modes
The 100WP-R has three standard operating modes.
1. Factory Mode
100WP-Rs ship from the factory in factory mode.
The 100WP-R's transmitter is off.
The 100WP-R's receiver bubbles-up to listen for a programming command.
Last Good Read and Extended Tamper Flags may be set when a register is not connected.
You must program the 100WP-R with the initial consumption and the register type to properly move the
ERT module to run mode and record consumption. You can program the 100WP-R in the field with FDM
or in the factory using custom programming.
2. Run mode
100WP-Rs normal operation mode.
The 100W transmitted message is dependent on its factory settings for standard consumption messages
(SCM) or network interval message (NIM).
For SCM, the 100WP-R default bubble-up rate is 9 seconds.
For NIM, the 100WP-R default bubble-up rate is 6 minutes. When the ERT module is set for NIM, the
100WP-R transmits a contingency SCM message every minute. NIM mode is configured by
programming NIM mode with a programming device.
3. Meter manufacturer quiet mode
Meter manufacturers can configure the ERT module for quiet mode after programming and direct
mounting the 100WP-R in a factory.
The 100WP-R is awakened from quiet mode and enters run Mode in one of two ways:
Counting two pulses. The pulses are counted internal to the 100WP-R while it is in quiet mode.
Receiving a two-way command, such as a Read ERT using FDM.
If an ERT module installed in quiet mode is not bubbling up SCM or NIM messages, it may be due to zero
consumption on the ERT module, such as a vacant or vacation home. Initiate a two-way command (for
example, perform a Read ERT with FDM) before removing the unit.
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