Emerson Rosemount 702 - Models 702 DX32 and 702 DX42; 7 Section 7: Mounting, Wiring Switches, and Output Circuits; Safety Messages; Warnings

63
Reference Manual
00809-0200-4702, Rev CA
Section 7: Mounting, Wiring Switches and Out-
put Circuits, Models 702DX32 and 702DX42
February 2013
Mounting, Wiring Switches, and Output Circuits:
Models 702DX32 and 702DX42
Section 7 Mounting, Wiring Switches,
and Output Circuits: Models
702DX32 and 702DX42
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 63
Installing the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 64
Installing the Rosemount 702 Transmitter in a direct mount . . . . . . . . . . . . . . . . . . page 64
Installing the 702 Transmitter in a Remote Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . page 66
Wiring switches and sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 67
Dry Contact Inputs, Measurement Option Code 32, 42 (702DX32, 702DX42) . . . page 67
LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 75
Grounding the Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 76
7.1 Safety messages
Instructions and procedures in this section may require special precautions to ensure the safety
of the personnel performing the operations. Information that potentially raises safety issues is
indicated by a warning symbol ( ). Please refer to the following safety messages before
performing an operation preceded by this symbol.
7.1.1 Warnings
Failure to follow these installation guidelines could result in death or serious injury:
 Only qualified personnel should perform the installation
Explosions could result in death or serious injury.
 Before connecting a Field Communicator in an explosive atmosphere, make sure that
the instruments are installed in accordance with intrinsically safe or non-incendive
field wiring practices
 Verify that the operating atmosphere of the transmitter is consistent with the
appropriate hazardous locations certifications
Process leaks could result in death or serious injury.
 Do not remove the switch while in operation
 Install and tighten switches before applying pressure
Electrical shock could cause death or serious injury.
 Use extreme caution when making contact with the leads and terminals
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
conditions: This device may not cause harmful interference. This device must accept any
interference received, including interference that may cause undesired operation.
This device must be installed to ensure a minimum antenna separation distance of 20 cm
from all persons.