|
The VTR360-S module serves as a power supply of communication part of WTB2000 in SLEEP MODE. It contains power supply 5V DC ±5% supplied from primary 24V DC U-SLEEP. Further contains circuit (relay) for controlling of external 24V power supply of the whole control systems, inputs for setting SLEEP MODE and circuit for setting the number of the vehicle.
Unit WTB2000 goes to the SLEEP MODE after either special software command is applied (application software) or hardware signal SLEEP is activated. When the unit is in SLEEP MODE there is necessary for supply U-SLEEP to be present as it supplies the part of system which detects AWAKE. Main power supply can be set to state OFF by using inbuilt relay output.
Unit WTB2000 move to the NORMAL MODE after either activity on communication lines is detected or hardware signal AWAKE is activated. Simultaneously main power supply is set ON (relay output).
|
|
