CSE-Semaphore TWinSoft Manual - ioSelect

6.3. Working modes of TBox
A has three working modes:
The program is running.
The program is running and in alarm mode.
The program is stopped (via a global reset).
The Operating System is stopped.
If you don’t know the communication parameters of the A you are connected to, you will
not be able to communicate with it.
In order to set the A to a known configuration, you need to do a global reset of the
A(see mode 2 below).
Mode 1a: the program is running
USR LED blinks twice per second
If you wish to restart the program:
• Press the RST button, and then release it.
Restarting the program has the following effects:
Current alarms are stopped and the stack is erased
Data logging is maintained
Values of counters are maintained
Timers are reset
Reset (to 0) of the DIR, AIR, STO, according to the start up conditions (see the ‘RTU
properties’ dialog box ‘Advanced’ tab)
Reset (to 0) or do not reset the physical digital outputs, according to the start up
conditions
The 3 digital outputs of the CPU are always reset (hardware reset)
Mode 1b: the program is running and in alarm mode
USR LED blinks 8 times / sec.
There is currently one (or more) alarm(s) in A. Typically the sending of SMS, e-mail, call to
a Supervisor, …
Mode 2: the program is stopped (Global Reset)
USR LED blinks once every 2 seconds
A global reset is used to stop, but not erase, the program in the A. Pressing RST
again restarts the program (see previous).
Procedure to stop the program:
• Hold the PGM button pressed
• Then press and release the RST button
• Wait for TxD and RxD to blink once, then release PGM
A is configured as follows:
COM1, COM2, COM3: 9600 baud + even parity + ModBus protocol (unprotected).
COM4: V22, PSTN (protected if it was programmed).
station address number: 1 (ModBus address).
TWinSoft: 8.32 – Getting Started 16