ADLINK ND-6530 - Manual (Page 81)

NuDAM-6521 • 77
5.4.20 Set Host Watchdog Timer
@Description
Set host watchdog timer, module will change to safety state when host is failure.
@Syntax
~(Addr)2(Flag)(TimeOut)00
~ Command leading code.
(Addr) Address ID, range (00 - FF).
2 Set host watchdog timer and safe state value.
(Flag) 0 : Disable host watchdog timer
1 : Enable host watchdog timer (1-character)
(TimeOut) Host timeout value, between this time period host must
send (Host is OK) command to module, otherwise module
will change to safety state.
Range 01 - FF. (2-character)
One unit is 100 ms
01 = 1 * 100 = 100 ms
FF = 255 * 100 = 25.5 sec
(SafeValue) 8 channels safety value of digital output channels when
host is failure. (2-character)
@Response
!(Addr)
or
?(Addr)
! Command is valid.
? Command is invalid.
(Addr) Address ID
@Example
User command: ~30211200
Response: !30
30 Address ID
2 Set host watchdog timer and safe state value.
1 Enable host watchdog timer.
12 Timeout value. 0x12 = 18
18 * 100 = 1800 ms
00