3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS OPERATION Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / K122 RELAY STAB. CURRENT SUPPLY -4- Output signals | OPERATE KEY SWITCH -4- Relay stab. current supply | 0 | 1 | K122 (A1.7): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / K164-1 RELAY ENGINE OIL TANK 1 EMPTY -4- Output signals | OPERATE KEY SWITCH -4- Relay engine oil tank 1 empty | 0 | 1 | K164-1 (A7.7): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / K164-2 RELAY ENGINE OIL TANK 2 EMPTY -4- Output signals | OPERATE KEY SWITCH -4- Relay engine oil tank 2 empty | 0 | 1 | K164-2 (A7.8): Level 4:
Inputs - Outputs / DIGITAL-OUTPUTS / Y6a-1 VALVE FAN DRIVE 1 OIL COOLER (minimum speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 1 oil cooler | 0 | 1 | Y6a-1 (A3.1): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y6a-2 VALVE FAN DRIVE 2 OIL COOLER (minimum speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 2 oil cooler | 0 | 1 | Y6a-2 (A3.2): 154