Difference between revisions of "Energy Module"

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(Cleaned up page and added links to HW pages)
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== Technical Specifications ==
 
== Technical Specifications ==
* 12 - 24VDC power supply, reverse polarity protected
+
* 1 Processor Microchip PIC32MX575F256H
* Low current consumption
+
* 1 RS485 bus connection (A and B line) – 1200 meters maximum bus length
* DIN rail mountable, takes up 6T
+
* 1 Jumper for RS485 bus termination
* Communication via RS485 bus connection (A and B line)
 
 
* [[Program Connector]]
 
* [[Program Connector]]
* 3 Voltage connections
+
* 8 Digital inputs
** Can be configured in 3 phase WYE and DELTA or single phase
+
* 8 Green input state LEDs
** 50 - 250 VAC
+
* 1 Orange status LED
** 40 - 75 Hz
+
* 1 Green power LED
* 12 current measurement connections
+
* 2 Network registering buttons
** Grouped per 4 and linked to a voltage connection
+
* Automatic network address generation
* 1 button to address the module
+
* 12VDC power supply, reverse polarity protected
* 3 leds to indicate voltage present.
+
* 25mA current consumption
* 1 status led to indicate the communication
+
* DIN rail mountable, takes up 3T
* Bootloader inside
+
* Dimensions: 5.8cm × 5.3cm × 9cm
 +
* Used in conjunction with a Master module
 +
* The Input and Temperature modules feature have identical hardware but runs a different firmware
 +
* Programming language firmware: Pic Basic Pro
 +
* Bootloader: Yes
 +
 
 +
=== Help ===
 +
* [[Module Programming|How do I program a module?]]
 +
* [[Documentation]]
  
==Specifications==
+
==Measurement Specifications==
 
* Voltage Measurement
 
* Voltage Measurement
 
** True RMS
 
** True RMS
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** ex. current clamp of 5A or 5000A can be connected.
 
** ex. current clamp of 5A or 5000A can be connected.
 
** if a very big current clamp is used, the energy measurement can overflow faster.
 
** if a very big current clamp is used, the energy measurement can overflow faster.
 +
 +
== Hardware ==
 +
This module consists of the following PCBs (Printed Circuit Boards):
 +
 +
;[[OMHEY]]
 +
:The main PCB that houses all module specific components
 +
 +
;[[OMHT6]]
 +
:Generic top panel PCB with all front panel interface components

Revision as of 09:19, 26 March 2019

Technical Specifications

  • 1 Processor Microchip PIC32MX575F256H
  • 1 RS485 bus connection (A and B line) – 1200 meters maximum bus length
  • 1 Jumper for RS485 bus termination
  • Program Connector
  • 8 Digital inputs
  • 8 Green input state LEDs
  • 1 Orange status LED
  • 1 Green power LED
  • 2 Network registering buttons
  • Automatic network address generation
  • 12VDC power supply, reverse polarity protected
  • 25mA current consumption
  • DIN rail mountable, takes up 3T
  • Dimensions: 5.8cm × 5.3cm × 9cm
  • Used in conjunction with a Master module
  • The Input and Temperature modules feature have identical hardware but runs a different firmware
  • Programming language firmware: Pic Basic Pro
  • Bootloader: Yes

Help

Measurement Specifications

  • Voltage Measurement
    • True RMS
    • Accuracy <1%
    • Resolution in float (32 bits)
  • Frequency Measurement
    • Accuracy <1%
    • Resolution in float (32 bits)
  • Current Measurement
    • True RMS
    • Accuracy 0.1% (dynamic range 1000:1)
      • Depends on accuracy of current clamp connected
    • Resolution in float (32 bits)
  • Power Measurement
    • Accuracy 0.1% (dynamic range 4000:1)
      • Depends on accuracy of current clamp connected
    • Resolution in float (32 bits)
  • Energy Measurement
    • per current channel
    • resolution integer (32 bits) for Wh
    • can be reset
  • Voltage Samples per channel (1 period)
    • Updated 1Hz
    • sampled at 4096Hz (80 samples for 50Hz)
    • Resolution in float (32 bits)
  • Current Samples per channel(1 period)
    • Updated 1Hz
    • sampled at 4096Hz (ex. 80 samples for 50Hz)
    • Resolution in float (32 bits)
  • Voltage frequency samples
    • Updated 1Hz
    • DC - 20th harmonic
    • Resolution in float (32 bits)
  • Current frequency samples per channel
    • Updated 1Hz
    • DC - 20th harmonic
    • reference on matching voltage rising zero cross
    • Resolution in float (32 bits)
  • Current Factor can be set for different current clamps
    • ex. current clamp of 5A or 5000A can be connected.
    • if a very big current clamp is used, the energy measurement can overflow faster.

Hardware

This module consists of the following PCBs (Printed Circuit Boards):

OMHEY
The main PCB that houses all module specific components
OMHT6
Generic top panel PCB with all front panel interface components