Doc# E145701 7 - 10
7: Using the Shark® 100B Meter
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
• Meter Description - optional field where you can enter a description of up to 63
characters which will be added as a prefix in the name of all registers represent-
ing the meter’s BACnet objects.
• Modbus TCP Port for TCP to RTU Router - the default port is 502. As long as this
field is not 0, the router is enabled, which lets the meter communicate with
Modbus TCP Master devices.
• Enable BACnet/IP Control Objects - Check this box to allow direct access to
Modbus registers. If enabled, the Control Objects are represented by the follow-
ing three Analog-Value BACnet Objects:
1. 500001 is a writeable object called MOD_ID_TARGET (“target device identifier
to be read/written”). Since the meter has a hard-coded Modbus address of “1”
only this value needs to be entered before first access to a Modbus register.
The default = -1.0. -1.0 also means do not execute #500003 (neither read nor
write).
2. 500002 is a writeable object called MOD_REGISTER (“register to be read/writ-
ten”); for example, “1000” to access the first register of Volts A-N. The default
= -1.0 after any reboot. -1.0 also means do not execute #500003 (neither
read nor write).
3. 500003 is a readable/writeable value called MOD_VALUE (“value to be read
from or written to select register”).
The MOD_REGISTER resets with -1.0 after each Read/Write (whether or not
successful), from/to MOD_VALUE with valid MOD_ID_TARGET and
MOD_REGISTER. MOD_REGISTER will also be set to -1.0 30 seconds after it is
written to.
7. Click the Advanced button to display additional settings. We recommend you do
not change any Advanced setting.
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