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Version 9
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Functionality
- 12 touch switches for stall/house lead control to turn on/off
- LED indicators for stall power
- 6 function one-of controllers for DC1-4/DCC/OFF selection of power source
- LED indicators for power source
- DPDT relay control for power supply sourcing
- SPDT relay control for stall/house leads
Port Assignments at Panel
Panel Port Expander Address 0x20
| Port | I/O | Bit | Function |
|---|
| A | Out | 0 | OFF_LED |
| A | Out | 1 | DC1_LED |
| A | Out | 2 | DC2_LED |
| A | Out | 3 | DC3+LED |
| A | Out | 4 | DC4+LED |
| A | Out | 5 | DCC+LED |
| A | Out | 6 | Track1_LED |
| A | Out | 7 | Track2_LED |
| B | Out | 0 | Track3_LED |
| B | Out | 1 | Track4_LED |
| B | Out | 2 | Track5_LED |
| B | Out | 3 | Track6_LED |
| B | Out | 4 | Track7_LED |
| B | Out | 5 | Track8_LED |
| B | Out | 6 | Track9_LED |
| B | Out | 7 | Track10_LED |
Panel Port Expander Address 0x21
| Port | I/O | Bit | Function |
|---|
| A | Out | 0 | Track11_LED |
| A | Out | 1 | Track12_LED |
| A | In | 2 | UP |
| A | In | 3 | DOWN |
| A | In | 4 | Track1_Switch |
| A | In | 5 | Track2_Switch |
| A | In | 6 | Track3_Switch |
| A | In | 7 | Track4_Switch |
| B | In | 0 | Track5_Switch |
| B | In | 1 | Track6_Switch |
| B | In | 2 | Track7_Switch |
| B | In | 3 | Track8_Switch |
| B | In | 4 | Track9_Switch |
| B | In | 5 | Track10_Switch |
| B | In | 6 | Track11_Switch |
| B | In | 7 | Track12_Switch |
Port Assignments at Relay Driver Board
Relay Port Expander Address 0x22
| Port | I/O | Bit | Function |
|---|
| A | Out | 0 |
|
| A | Out | 1 |
|
| A | Out | 2 |
|
| A | Out | 3 |
|
| A | Out | 4 |
|
| A | Out | 5 |
|
| A | Out | 6 |
|
| A | Out | 7 |
|
| B | Out | 0 |
|
| B | Out | 1 |
|
| B | Out | 2 |
|
| B | Out | 3 |
|
| B | Out | 4 |
|
| B | Out | 5 |
|
| B | Out | 6 |
|
| B | Out | 7 |
|
Relay Port Expander Address 0x23
| Port | I/O | Bit | Function |
|---|
| A | Out | 0 |
|
| A | Out | 1 |
|
| A | Out | 2 |
|
| A | Out | 3 |
|
| A | Out | 4 |
|
| A | Out | 5 |
|
| A | Out | 6 |
|
| A | Out | 7 |
|
| B | Out | 0 |
|
| B | Out | 1 |
|
| B | Out | 2 |
|
| B | Out | 3 |
|
| B | Out | 4 |
|
| B | Out | 5 |
|
| B | Out | 6 |
|
| B | Out | 7 |
|