Table of Contents
Chicago - Battery Charger module.
Current harware version control board: 0.0.1 Current harware version charge board: 0.0.1 Current Firmware version control board: Not yet released
Download
Got to http://www.grodansparadis.com for up to date info 
Firmware
No firmware release yet.
Schematics
Old files are available here http://www.dosilos.se/download/hardware/chicago
DIN Model - Selfcontained
Controller
Charger
About
Controller
Charger
The Chicago module is an intelligent VSCP connected charger built around the Atmel AVR450 application note. It can be used to charge SLA, NiCd, NiMH and Li-on batteries. It has temperature control and can be fully monitored and controlled over VSCP.
Registers
Configuration
Register 0(0x00) - Zone. Read/write. Register 1(0x01) - Subzone 0. Read/write.
Register 2(0x02) - Battery type. Read/write. * 0 - SLA * 1 - NiCd * 2 - NiMH * 3 - Li-on
Register 3(0x03) - Battery voltage. Read/write.
Set the battery voltage for the battery pack here.
Control Registers
Register 10(0x0A) - Control Register. Read/Write
The channel control bits enable disable intelligent channel functionality
- Bit 0 - Reserved.
- Bit 1 - Reserved.
- Bit 2 - Enable high alarm.
- Bit 3 - Enable low alarm.
- Bit 4 - Send battery voltage events.
- Bit 5 - Send charge current events.
- Bit 6 - Send battery temperature events.
- Bit 7 - Enable charger.
Report intervals
Register 11(0x0B) - Report interval for battery voltage in seconds. Read/Write Register 12(0x0C) - Report interval for battery charge curent in seconds. Read/Write Register 13(0x0D) - Report interval for battery temperature in seconds. Read/Write
Set the time in seconds between which measurement events are sent for each type. Set to zero to disable.
High levels
Register 14(0x0E) - MSB of high current reading. Read/wite. Register 15(0x0F) - LSB of high current reading. Read/wite. Register 16(0x10) - MSB of high voltage reading. Read/wite. Register 17(0x11) - LSB of high voltage reading. Read/wite. Register 18(0x12) - MSB of high temperature reading. Read/wite. Register 19(0x13) - LSB of high temperature reading. Read/wite.
Low levels
Register 20(0x14) - MSB of low current reading. Read/wite. Register 21(0x15) - LSB of low current reading. Read/wite. Register 22(0x16) - MSB of low voltage reading. Read/wite. Register 23(0x17) - LSB of low voltage reading. Read/wite. Register 24(0x18) - MSB of low temperature reading. Read/wite. Register 25(0x19) - LSB of low temperature reading. Read/wite.
Hysteresis for high/low alarm
Register 26(0x1A) - MSB of hystersis. Read/wite. Register 27(0x1B) - LSB of hysteresis. Read/wite.
Hysteresis
Register 28(0x1C) - MSB of hystersis. Read/wite. Register 29(0x1D) - hystersis. Read/wite. Register 30(0x1E) - hystersis. Read/wite. Register 31(0x1F) - LSB of hysteresis. Read/wite.
Registers for Decision Matrix
Register 112(0x70) - 127(0x7f) - Decision Matrix ( two elements)
Decision Matrix
The module have a decision matrix with seven entries.
Available Actions
0(0x00) - NOOP, No action.
1(0x01) - Send measurements. Can be used for sync requests. Argument byte tells which one.
Bit 0 - Charge current.
Bit 1 - Battery voltage.
Bit 2 - Battery tempperature.
2(0x02) - Enable charger.
3(0x03) - Disable charger.
Alarm register
- bit 0 - low alarm.
- bit 1 - high alarm.
Events
Charge current Event
The charge current is reported as a normalized integer value by this event.
Current is always reported in Amphere.
Class: 0x00A Type: 0x05
Format:
See below.
Package:
| Byte | Description |
|---|---|
| Byte 0 | format |
| Byte 1 | 0x02 (exponent) |
| Byte 2 | MSB of normalized integer |
| Byte 3 | LSB of normalized integer |
format is the measurement data coding format described in the VSCP specification
| Bits | Description |
|---|---|
| 5,6,7 | 0x08 - Normalized integer format. |
| 3,4 | 0x00 – Amphere. |
| 0,1,2 | 0x00 |
Battery Voltage Event
The battery voltage is reported as a normalized integer value by this event.
Voltage is always reported in Volts.
Class: 0x00A Type: 0x10
Format:
See below.
Package:
| Byte | Description |
|---|---|
| Byte 0 | format |
| Byte 1 | 0x02 (exponent) |
| Byte 2 | MSB of normalized integer |
| Byte 3 | LSB of normalized integer |
format is the measurement data coding format described in the VSCP specification
| Bits | Description |
|---|---|
| 5,6,7 | 0x08 - Normalized integer format. |
| 3,4 | 0x00 – Volt. |
| 0,1,2 | 0x00 |
Battery Temperature Event
canid = 0x80a06xx where xx is node nickname id.
The temperature is reported as a normalized integer value by this event.
Temperature is always reported in degrees Celsius.
Class: 0x00A Type: 0x06
Format:
See below.
Package:
| Byte | Description |
|---|---|
| Byte 0 | format |
| Byte 1 | 0x02 (exponent) |
| Byte 2 | MSB of normalized integer |
| Byte 3 | LSB of normalized integer |
format is the measurement data coding format described in the VSCP specification
| Bits | Description |
|---|---|
| 5,6,7 | 0x08 - Normalized integer format. |
| 3,4 | 0x01 – Celsius. |
| 0,1,2 | 0x00 |
Alarm
If enabled the event is sent when a channel is over or under the alarm level.
Class: 0x001 Type: 0x02
Package:
Byte 0: type Byte 1: Zone Byte 2: Subzone
Type = 0 for Charge current, Type = 1 for battery voltage, Type = 2 for battery temperature.
Contact Information
This is open hardware / software that is made by Ake Hedman, eurosource, Sweden. It is free to use for commecial or non commercial use.
Email: vscp@eurosource.se
Company:
eurosource Brattbergavagen 17 820 50 LOS SWEDEN info@eurosource.se http://www.eurosource.se Phone: +46 657 413430 Fax: +46 657 413503
Modules and components are sold at http://www.eurosource.se/catalog
More info about the VSCP and CANAL protocol can be found at http://www.vscp.org
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