Emerson Rosemount Clarity II T56, Reference Manual

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3 Wire
3.1 General wiring information
The transmitter is easy to wire.
The front panel is hinged at the bottom. The panel swings down for easy access to the
wiring locations.
3.1.1 Removable connectors and signal input boards
The transmitter uses removable signal input boards and communication boards for ease of
wiring and installation.
You can remove each of the signal boards either partially or completely from the enclosure
for wiring. The transmitter has three slots for placement of up to two signal input boards
and one communication board.
Slot 1 - left Slot 2 - center Slot 3 - right
Profibus ® board Signal board 1 Signal board 2
3.1.2 Signal input boards
Slots 2 and 3 are for signal input measurement boards.
Procedure
1. Wire the sensor leads to the measurement board following the lead locations
marked on the board.
2. Carefully slide the wired board fully into the enclosure slot and take up the excess
sensor cable through the cable gland.
3. Tighten the cable gland nut to secure the cable and ensure a sealed enclosure.
Note
For the purpose of replacing factory-installed signal input boards, Rosemount is the
sole supplier.
3.1.3 Digital communication boards
HART
®
digital communications is standard on this system. A Profibus
®
DP communication
board is available as an option for the system's communication with a host. HART
communication supports Bell 202 digital communications over an analog 4-20 mA current
output. Profibus DP is an open communications protocol which operates over a dedicated
digital line to the host.
Reference Manual Wire
00809-0100-3565 July 2020
Rosemount T56 25