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Reference Manual
IP2030/RM, Rev AA
Section 4: Getting started
June 2014
Section 4: Getting started26
4.2 Switching on the MCU901 and MCU90F for the
first time
The Mobrey MCU901 and MCU90F control units accept the input from a single HART or
4–20 mA transmitter. Connect the transmitter to the Current Input terminals on the control
unit as explained in the section “Electrical installation” on page 13.
Figure 4-1. The Mobrey MCU901 or MCU90F control unit with one transmitter
A. Mobrey MSP Series Transmitter E. Pump
B. Mobrey MCU900 Series Control Unit F. Transmitter Bottom Reference
C. 4–20 mA signal output G. 4–20 mA and HART signal input
D. Relay
B
E
E
20mA
4mA
F
D
D
C
A
G