Summary of Contents for Veethree VeeConnect ECBU
- Page 1 VeeConnect 12-Channel Electronic Circuit Breaker Unit (ECBU) Figure 1 – VeeConnect 12-Channel Electronic Circuit Breaker Unit ECBU User Manual 1-16-19 Rev 1.0 Page 1 of 12...
- Page 2 System Block Diagram Figure 2 – VeeConnect 12-Channel Electronic Circuit Breaker Unit – Block Diagram ECBU User Manual 1-16-19 Rev 1.0 Page 2 of 12...
- Page 3 Circuit Breaker Channels The VeeConnect ECBU is a 12-channel power control unit, with the following features: • Each ECB channel has a programmable current rating of between 2 to 20A • Each ECB channel is controllable through the VeeConnect Display •...
- Page 4 ECBU User Manual 1-16-19 Rev 1.0 Page 4 of 12...
- Page 5 Analog Inputs 12 Analog inputs on the J1 connector can range from 0-28VDC, with a bandwidth of <100Hz. See Tables 1 and 2 below. The system response to the analog inputs is configured through the VeeConnect Display. Discrete Inputs 12 Discrete Inputs on the J1 connector are configured as Open/Ground inputs, with OPEN being the inactive state and GROUND being the active state.
- Page 6 NMEA 2000 – VeeConnect Interface The ECBU includes a NMEA 2000 interface that is designed to be used with the VeeConnect T5 or T7i Display. The ECBU is configured by the Display via the NMEA 2000 interface, and its configuration is stored by the ECBU.
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Page 7: Connector Pin Descriptions
Connector Pin Descriptions: Connector J1 - GPIO INTERFACE (Recommend 16-20AWG wire) Function Function Function GP DISCRETE INPUT #1 GP DISCRETE INPUT #2 GP DISCRETE INPUT #3 GP DISCRETE INPUT #4 GP DISCRETE INPUT #5 GP DISCRETE INPUT #6 POWER GROUND GP DISCRETE INPUT #7 POWER GROUND GP DISCRETE INPUT #8... - Page 8 Fault Codes Code Trip Cause Comments Fast Trip Circuit breaker channel has hard short I2T Trip Circuit breaker channel has soft fault Fail Open Circuit breaker switch failed open circuit Fail Short Circuit breaker switch failed short ECBU Fault Indications (Red LEDs) Red LEDs Indication Comments...
- Page 9 Installing ECBU Software USB Flash Drive Requirements – 512 Byte Sectors The ECBU software is loaded per the following: 1. Copy Ecbu.bin to the root directory of the USB Flash Drive 2. Install USB Flash Drive 3. Power On ECBU 4.
- Page 10 Examples of such behavior include blower timer, and time sequencing (recirculation pumps in live wells). The Sequencer is triggered when the primary is turned on, and is disabled when the primary is turned off. Inhibit Fail Short Fault The software may need to inhibit Fail Short fault reporting for an ECB that is Off, but voltage is detected.
- Page 11 ECBU Configuration Database The ECBU configuration database can be modified via the Veethree Display. The default configuration for each of the 12 ECBs is set as follows: Parameter Valid Values Default Value Comments Programmed Rating 2 - 20 A Last State (prior to Power Down)
- Page 12 Also, the following is stored as part of the configuration: • Device Instance • Configuration Information (NMEA PGN 126998 Description Data) ECBU User Manual 1-16-19 Rev 1.0 Page 12 of 12...
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