semaphore TBOX LT2-530 Series, User Manual, Page: 65 / 197

Version : 1.09 65
Name R/W Description
COMx.NoDial 0
Modem: with PSTN modem, reading ‘1’ indicates that no dial tone has been
detected when the modem has picked-up the line. (not available with
TB
OX
LT2
)
Must be RESET by the user.
COMx.GPRSCon
*
GPRS/3G: Writing 1: demand of connection. (Automatic when selecting
“Connection at start-up”)
USE A TRIGGER INPUT CONTACT TO ACCESS THE VARIABLE
COMx.ModBusResp
0
Communication: indicates the port is transmitting answering. At each
transmission,
TB
OX
LT2
SET this register.
To check
TB
OX
LT2
is transmitting in “slave” mode. You RESET this register and
test whether it is SET again (using Ladder or BASIC).
COMx.ModemError
0
Communication: modem initialization failed.
Modem has answered with an ERROR to one of the parameters of the init. String
(see modem properties). A reason could be, working with GSM, because it is not
registered yet.
When you RESET this register, OS executes a warm start of the modem (sending
init. string)
COMx.ModemPower *
LowPower: used only with Low Power RTU
.
COMx.ModemAlarm
*
LowPower: used only with Low Power RTU
.
COMx.VPNCon
OpenVPN:
On VPN "Client" side:
VPN.VPNcon=0 -> exit OpenVPN process
VPN.VPNcon=1 -> restart OpenVPN process
On VPN "Server" side, it has no function..
8.3.2. Analog Communication Variable
According to its function a
Communication variable is
Read/Write or Read only.
In the following table, the
column R/W indicates:
- :
Read only.
0 :
Write ‘0’ only.
1 :
Write ‘1’ only.
* :
Write ‘0’ or ‘1’.
Example with COM2 – GSM modem
Name R/W Description
COMx.Level
*
Access Control: access level of the user currently logged (see chapter 17).
COMx.UserId *
Access Control: user Id of the user currently logged (see chapter 17).
The user Id and the authority level correspond to those you have defined with the
utility ' PASSWORD '.
The value returns to 0 when the user has disconnected.
Values can be written to those registers.