Sealing The Enclosure; Interface Parameters - Mettler Toledo IND256 Série Guide D'installation

2.8.

Sealing the Enclosure

When the IND256x terminal is used in a metrologically "approved" application, it must be protected
from tampering by use of seals. IND256x versions include the optional sealing kit.
The method used for sealing will vary depending upon local requirements. The IND256x supports
external sealing.
2.8.1. External Sealing of the Enclosure, US
IND256x lead seal details are shown in Figure 2-15. The procedure is as follows:
1. Determine that the correct area has been selected under Scale > Type > Approval and set the
2. Pass the seal wire through two adjacent sealing bolts and then fix the seal retainer as shown in
3. Cut off the excessive lead seal wire.
2.9.

Interface Parameters

2.9.1. Supply Circuit (Power Supply Port)
Variant with non-intrinsically safe AC-supply
(Type key ends with "46" or "44") (only ATEX
& IECEx approved)
2-12 METTLER TOLEDO IND256x Weighing Terminal Installation Manual
metrology switch SW1-1 to ON (refer to Chapter 2, Operation, for the location and function of
this switch).
Figure 2-15.
Supply circuit
Permanently connected cable with ferrule
Figure 2-15: Sealing Method
Rated voltage:
Rated current:
Maximum input voltage:
Parameters
AC 187...250 V (50/60 Hz)
125 mA
Um AC 250 V
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