Metrological Information; Geo Codes - Mettler Toledo IND500x Installationsanleitung

Serial Interface Parameters
One standard and five optional serial ports are supported with the IND500x terminal. COM1 is the standard
port, and can be found on the Main PCB of the IND500x. The optional COM2 and COM3 can be found on the
Ethernet/COM2/COM3 interface that is installed in the ACM500 safe area communication module. The optional
COM4 and COM5 are found on the fiber optic or intrinsically safe current loop interface boards that can be
installed in the IND500x terminal. The optional COM6 can be installed on IND500x main board.
COM1 provides an RS-232 interface. This is a three-wire (TDX, RXD, and GND) interface with XON/XOFF flow-
control capabilities (handshaking). This port can also be used for loading new IND500x firmware and to
access the shared data server.
Optional COM2 provides only RS-232. This interface is a three-wire connection with XON/XOFF handshaking
capabilities.
Optional COM3 provides RS-232, RS-422, and RS-485 interfaces. The RS-232 interface is a three-wire (TDX,
RXD, and GND) with XON/XOFF flow-control capabilities (handshaking). The RS-422 is a four-wire interface
designed for single point-to-point communication. The RS-485 connection is a two-wire interface but does not
provide multi-drop communication with addressing. All interfaces can be output simultaneously; however, only
one input can be used.
Optional COM6 provides an RS-232 interface. This is a three-wire (TDX, RXD, and GND) interface with XON/
XOFF flow-control capabilities (handshaking).
Character framing is programmable in the setup mode. Framing can be:
1 start bit
7 or 8 ASCII data bits (selectable)
0 or 1 parity bit (none, even, or odd)
1 stop bit
The baud rate can be configured from 300 to 115.2K baud and a checksum character can also be configured
for the standard continuous output string.
The IND500x terminal uses software handshaking to control data flow commonly referred to as XON/XOFF
handshaking. When a receiving device is getting information from an IND500x terminal and cannot receive any
more in its buffer, it sends an ASCII XOFF (13h) telling the IND500x terminal to temporarily stop sending data
until its buffer clears.
When the device can receive more data, it sends an ASCII XON (11h) telling the IND500x terminal to begin
sending data again. This process can occur as often as required by a receiving device.
The XON/XOFF method is the only type of handshaking that is supported by the IND500x terminal.
The IND500x terminal supports two different modes of data output – demand and continuous.

3.6 Metrological information

Important notice for verified weighing instruments in EC-countries
The first step of the declaration of conformity has been carried out at the manufacturing plant. It comprises of all
tests according to EN 45501-8.3.3. If national regulations in individual countries limit the period of validity of
the verification, then the users of such a weighing instrument are themselves responsible for its timely re-verifi-
cation.

3.7 GEO Codes

The Geo code feature provided in the weighing terminal permits adjustment by a METTLER TOLEDO service
technician due to changes in elevation or latitude without reapplying test weights. This assumes that a
previously accurate adjustment was done with the Geo code set properly for that original location and that the
Geo code for the new location can be accurately determined.
86 Appendix​ ​
Weighing Instruments, for which conformity is declared (legal verification), bear the
preceding mark on the packing label and the metrology marking
descriptive plate. They may be put into use immediately.
Weighing Instruments on which declaration of conformity is carried out in two steps
have no metrology marking on the descriptive plate and bear the preceding identifi-
cation mark on the packing label. The second step has to be carried out by the
authorized METTLER TOLEDO service engineer. Please contact your METTLER TOLEDO
service organization.
on the
IND500x