EHP TELEBOX PLC User manual
● Device may only be opened by a specialist!
● Device must be protected from heat and moisture!
To avoid the risk of electric shock, do not remove the two side covers. There are no user-
repairable parts inside the unit. Leave repairs to qualified EHP customer service. There is a
risk of contact with non-insulated parts inside the device, which can lead to electric shocks.
Operating environment
Avoid installing this device in an insufficiently ventilated, humid or hot place.
Warning:
To disconnect the device completely from the mains, the mains plug must be pulled out of
the mains socket. To avoid the risk of fire, the mains plug should be disconnected from the
mains socket before the device is not used for a longer period of time, for example during
the company vacations.
Disposal:
If you wish to dispose of this product, do not mix it with ordinary household waste. There is
a separate collection system for used electronic products through which proper treatment,
recovery and recycling is ensured in accordance with existing legislation.
•● Telebox PLC
Figure 2- Telebox SPS connections
The following connections are located on the back of the Telebox SPS:
1. RS-232 interface
2. USB port
3. Power connection
The Telebox PLC is configured according to customer specifications before delivery. User-
specific changes can be made at any time via the setup of the Telebox PLC
Figure 1- Telebox SPS
The following accessories are included as standard:
•Interface cable RS 232
•24 Volt power supply 110V-240V AC
•Antenna
•Terminal block with strain relief and contact protection
•Assembly tool for terminal block
Optional accessories for the Telebox SPS:
•BNC extension cable for antenna mounting outside the control cabinet
•Separate handheld transmitter configured only to the Telebox PLC.
•Profibus converter
•SD card
To ensure the functionality of the Telebox PLC, the following requirements apply:
-Firm state of the scales:
LAH 12.15 or higher (relay drivers are disabled at lower firmware levels)
LAH 11.04 or LAH 12.03 (tare & remote function are deactivated with lower firmware
version)
- Parameterization of the scale:
Set parameter P17 to value 3 to activate relay ports
- Set EHP data set type 3 to store tare in flash memory.
-24 volt power supply
-SD card with maximum storage capacity of 2GB
The installation of the device drivers can only be performed with administration rights.
Connect the device to a free USB 2.0 port. The driver is installed automatically under Windows 10. An
active Internet connection is required for loading the installation data.
The successful installation can be checked under "Windows Device Manager" in the tab "Ports
(COM&LPT)". Here is a new entry "COMxx" (xx= COM port no., is assigned automatically).
If the automatic installation fails, the driver can also be installed manually:
To do this, open the "Windows Device Manager". Under the tab "Other devices" there is an entry
"FT232R USB UART", marked with a yellow "!".
Install the driver manually using the supplied "EHP Drivers and Manuals" CD:
Right-click the uninstalled device and select
the "Update Driver" entry.
Select the "Search for drivers on my
computer" option.
Select the driver - this can be found on the CD
supplied. Then click on "Next" to start the
installation.
Confirm the successful driver installation with
the "Close" button.
There is now a new device "USB Serial Port"
in the Device Manager with a yellow ! in the
tab "Other devices".
Click on this with the right mouse button and
select the entry Update driver.
6. select the tab "Search for drivers on my
computer
Select the path for the driver, which is located
on the supplied CD, then press "Next".
Windows will now install the driver.
Confirm the successful driver installation with
the "Close" button.
Table 1 - Manual driver installation
The successfully installed Telebox now has an entry in the Device Manager our the "Ports
(COM&LPT)" tab. Here you will find an entry "USB Serial Port (COMxx) → XX=COM Port No..
Note the COM port number for your later application. Restart the PC after successful installation.
If the Telebox is connected to a different USB port on the same computer, Windows
automatically installs a new COM port.
The Telebox PLC starts automatically after the power supply.
The Telebox SPS is operated using the five pushbuttons.
Figure 3 - Operating keys Telebox PLC
Switch on Telebox PLC
The display shows the start routine when the power is turned on
and then the weight value of the weighing system A is displayed.
Start routine:
888888, (display test)
Firmware version, e.g. 01.01.01
Firmware Date, e.g. 23.03.09
SEL A (only if the telebox is configured for 2 scales)
Switch off Telebox PLC
Select scales system A
