Denso Power Net Terminal BHT-7500 Spécifications Page 182

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Chapter 12. Power-related Functions
173
[ 3 ] Remote wakeup program
File name
The BHT may handle the file named "BHTRMT.PD3" as a remote wakeup program.
Upon receipt of data containing a WAKE character string in the ready-to-receive state, the
BHT checks whether the BHTRMT.PD3 file exists. If the file exists, the BHT will start the
remote wakeup operation described in [ 2 ].
Settings for remote wakeup
To use the remote wakeup function, make the following I/O port settings with the OUT or WAIT
statement or INP function beforehand (refer to Appendix D, "I/O Ports," D5):
(1) Activate the remote wakeup function
You may activate/deactivate the remote wakeup function as listed below. The default is 0
(Deactivate).
(2) Set the transmission speed to be applied for remote wakeup
Set the transmission speed to be applied when activating the remote wakeup as listed
below. The default is 1 (9600 bps).
(3) Set the timeout for ready-to-receive state
Set the timeout length during which the BHT will wait for a WAKE character string after
receiving any data via the CU and becoming ready to receive. The default is 3 (seconds).
Port No. Bit No. R/W Specifications
60F0h 0 R/W 0: Deactivate the remote wakeup
1: Activate the remote wakeup
Port No. Bit No. R/W Specifications
60F1h 7-0 R/W 1: 9600 bps 2: 19200 bps
3: 38400 bps 4: 57600 bps
5: 115200 bps
Port No. Bit No. R/W Specifications
60F3h 7-0 R/W 1 to 255 seconds. Specification of 0
will not change the current setting.
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