GE Industrial Solutions WattStation Pedestal EVSE Charger Operation and Maintenance - Manual (Page 15)

WattStation™ EV Charger User Manual
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3.4.1 Status
GE WattStation Connect will provide EVSE status to customers. The customer will receive these
updates through their web browser, text message and/or email. Here is a list of status updates the
customer will receive:
• Algorithm Status
• History/Reporting
• Actual current draw by each group member
- Summary of current draw for the entire group
- Max current renegotiated
- Algorithm settings committed
- Algorithm enabled/disabled
- Internal EVSE temperature
• Monitoring
- EVSE state: disconnected, connected, charging and fault
- Internal EVSE temperature
• Control
- Scheduled charging
- Override of charging
- Charging delay
• Diagnostics
- Ground fault
- Loss communication
- RFID failure
- Un-authorized users
- Contactor monitor
- Overload
- Over/Under voltage
- Invalid payment
- Additional fault diagnostics
3.4.2 Building Management Systems
The Pedestal WattStation will communicate to building management systems (BMS) via Modbus over
the CAT5 connection or WiFi. The EVSE comes with a Modbus register map that the BMS integrator
can integrate into their SCADA or server system(s).
N
Noottee:: Static IP addressing should be used for the WattStation(s) and all Modbus clients.
3.4.3 Firmware Updates
The firmware for the EVSE will be upgradeable over the EVSE’s TCP/IP interface (CAT5 or wirelessly
through the cellular router or WiFi Access Point). The firmware updates will allow GE to supply
customers with updated firmware that adds additional features to flexible charging algorithms,
ground fault detection performance, pricing models, communication protocols and other
performance enhancements. All firmware updates will be accessed and controlled through the GE
WattStation Connect.