Reference Manual
00809-0200-4702, Rev CA
Section 9: Operation and Maintenance: Models 702DX32 and 702DX42
February 2013
83
Operation and Maintenance: Models
702DX32 and 702DX42
Section 9
Operation and Maintenance:
Models 702DX32 and 702DX42
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 83
Discrete Input from Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 84
Discrete output circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 91
Interpreting the LCD screen messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 96
Replacing the power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 105
9.1
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.
9.1.1
Warnings
Failure to follow these installation guidelines could result in death or
serious injury.
Make sure only qualified personnel perform the installation.
Explosions could result in death or serious injury.
Before connecting a Field Communicator in an explosive atmosphere, make sure 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 sensors before applying pressure.
Electrical shock could cause death or serious injury.
Use extreme caution when making contact with the leads and terminals.
