iTEMP TMT112 Operation options
Endress+Hauser 15
5.5 Shielding and grounding
The specifications of the HART
®
FieldComm Group must be observed when installing a HART
®
transmitter.
5.6 Post-connection check
Device condition and specifications Notes
Is the device or cable undamaged (visual check)? --
Electrical connection Notes
Does the supply voltage match the specifications on the
nameplate?
DIN rail transmitter:
• 12 to 35 V
DC
• 12 to 30 V (Ex)
Do the cables have adequate strain relief? --
Are the power supply and signal cables correctly
connected?
→ 13
Are all the screw terminals well tightened and checked? --
6 Operation options
6.1 Overview of operation options
The DIN rail temperature transmitter is set up using the HART® protocol. The values
measured can also be read using the HART® protocol. In order to do this the user has two
possibilities:
• Operation using a universal hand operated module “HART® Field Communicator 375/475”.
• Operation using a PC and operating software as well as a HART® modem.
6.2 Access to the operating menu via the operating tool
6.2.1 Field Communicator 375/475
Selection of the unit functions using the “HART® Communicator” is done using various menu
levels as well as with the help of a special HART® function matrix (see → 16).
• When using the HART® communicator all parameters can be read out, however,
programming is locked. It is possible to access the HART® function matrix by entering
281 in the LOCK function. This condition remains even after a power failure. The
HART® function matrix can be locked again by entering the personal code number.
• More detailed information on the ’HART® Communicator’ can be found in the
respective operating manual in the carrying case.
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