
Version : 1.09
34
5.6.
Reset of TBox LT2
Pushing toggle switch to “Reset” position restarts the program:
stack of alarms and events are erased
datalogging is maintained
Tags with initial value are set to their initial value; others are maintained
Local Tags and timers are reset (status and value=0)
Counters are maintained
5.6.1.
Global reset of TBox LT2
The Global Reset is used to set
TB
OX
LT2
to a default, well-known configuration, in case it does not
communicate anymore. The program running in the CPU is stopped and
TB
OX
LT2
runs on the Operating
System.
This is very useful when you take a CPU from the shell and you have no idea how the port you want to
communicate with is configured.
The global reset is achieved using the toggle switch on the front side of
TB
OX
LT2.
Procedure:
Push and maintain the toggle switch to “Reset” side
The LED turns red for about ½ second
Let the LED flash “green” 3 times
Release the toggle switch
Global reset configuration:
The global reset mode is indicated by the LED flashing green at 0.5 Hz (instead of 2 Hz in RUN mode). In
this mode,
TB
OX
LT2
is configured like as following:
Port
Protocol
Station address
IP address
COM1 (RS232)
ModBus
1
-
COM2 (RS485)
ModBus
1
-
COM3 (Ethernet)
-
1
192.168.1.99
COM4 (modem)
ModBus
maintained
The Global Reset does not erase the current program. Doing a single Reset will restart
the program
5.6.2.
Working Modes Available with Toggle Switch
Pressing and maintaining the toggle switch to “Reset” position, the LED Run will flash. According to the
number of flashes, you can set
TB
OX
LT2
to different working modes:
Flash #
Mode
Communication
Protocol
LED “Run”
1
Restart application
As in application
As in application
2 Hz
3
Program stopped
Serial: 9600, N, 8, 1
Ethernet: 192.168.1.99
Modem: available
ModBus-RTU
ModBus/TCP
Firewall stopped
½ Hz
9
OS stopped,
LINUX running
Serial: 9600, N, 8, 1
Ethernet: 192.168.1.99
No Modem
SSH, PING, TFTP
ON - Green
11
U-BOOT
Serial: 9600, N, 8, 1
No Ethernet
No Modem
Text, TFTP
ON - Red
Содержание TBOX LT2-530 Series
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