Emerson Series 3000 MVD User Manual
Configuration and Use Manual
15
Installation
Using the
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Begin
Chapter 3
Digital Communications Setup
3.1
About this chapter
This chapter explains how to install wiring for digital communications between the Series 3000
device and a remote device. The following are typical remote devices:
device and a remote device. The following are typical remote devices:
•
Ticket printer
•
Any PLC or control system
•
PC running ProLink II
•
375 Field Communicator
•
Temperature or pressure sensor
•
HART Tri-Loop
Note: This chapter does not discuss configuration of digital communications. To configure digital
communications, see Chapter 13.
communications, see Chapter 13.
3.2
Supported protocols
Table 3-1 describes the digital communications support provided on the Series 3000 device.
HART/Bell 202 is superimposed on the primary mA output, while all RS-485 protocols are
implemented on a dedicated terminal pair.
HART/Bell 202 is superimposed on the primary mA output, while all RS-485 protocols are
implemented on a dedicated terminal pair.
3.2.1
Obtaining the components
Identify and obtain the required components according to the physical layers and protocols you
will use.
will use.
3.2.2
RS-485 signal converter
RS-232 or USB conversion
If you need to convert the RS-485 signal to an RS-232 or USB signal, signal converters are available
from Micro Motion (part number PLKUSB485KIT or PLK485KIT). Contact Micro Motion for
information about ordering these converters.
from Micro Motion (part number PLKUSB485KIT or PLK485KIT). Contact Micro Motion for
information about ordering these converters.
Table 3-1
Series 3000 terminals, physical layers, and protocols
Terminals
Physical layer
Protocol
Primary mA output terminals
Bell 202
HART
RS-485 terminals
RS-485
Modbus
HART
Printer
HART
Printer