Parker Pro Display 10, Инструкция, Страница: 19 / 53

Parker Pro Display 10 Instruction Book 19/53
Header Link to Contents
4.5. Inputs/Outputs
4.5.1. Ignition input
One ignition (keylock) input is provided and it has following specifications:
Table 9: Ignition input- specifications
Feature Spec
Input voltage range ON > 6V
Input voltage range OFF < 3V
Input voltage tolerance ± 10 %
Input voltage range to
enter Maintenance mode
> 36V
Cut-off frequency 102 Hz
Input impedance 38 kΩ
When VBatt is disconnected the module cannot be powered through ignition. This multi-
level, digital ignition signal has following functional states:
Table 10: Ignition- signal functionality
State Functionality
OFF Inactive; the main power is switched off if
the internal ‘Keep alive’ control signal is
off.
ON Active; switches the main power on, or
wakes the module up from sleep
MAINTENANCE Used for software download and service
purposes
PRODISPLAY
IGNITION IN
KEYLOCK
IGNITION
C1:6
C1:1
Figure 8: Ignition input connection principle
Maintenance mode is intended for the following:
• Installing new software packages
• Updating existing software packages
•
Removing existing software packages