Introduction to AS-i Bus diagnostics
(Original Document)
General
The module display panel is used for:
These modes can be accessed by a combination of actions on the push buttons (↑↓ and +/-) on the TSX SAY 100 module.
Illustration:
Display modes
Table giving the 2 display modes of the module:
Bus mode
Slave mode (SLV)
View of AS-i bus image. Each LED 1 to 31 corresponds to a slave address on the bus.
  • LED on: slave present
  • flashing LED: slave expected and not detected, or not expected and detected.
  • LED off: slave not expected and not detected.
View of selected slave address.
  • LED on: number of slave selected.
View of input/output bit state for slave selected.
  • LEDs 0 to 3 display the state of the input bits.
  • LEDs 4 to 7 display the state of the output bits.
  • LED on: bit in state 1.
  • LED off: bit in state 0 or not significant
Illustration:
The display mode is shown the Bus LED being on and the I/O LED being off.
Illustration:
The display mode is shown by Bus and I/O LEDs both being off.
Illustration:
The display mode is shown by the Bus LED being off and the I/O LED being on.