Specs at a glance

Input

2 x universal (current, voltage, R, RTD, TC, resistance)
Output

2 x Analog (current, voltage)
Display

LCD
7 segment
Multicolour
Bargraph
TAG unit
Colour change in case of failure
Power Supply

Wide range power supply 24 to 230 V AC/DC (-20 % / +10 %) 50/60 Hz

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Field of application

Analog measured values are indicated, evaluated and calculated by the process transmitter. With the integrated loop power supply two-wire sensors can be powered. The universal inputs enable the connection of current, voltage, RTDs and TCs. Limit values can be monitored and relays can be switched. Via analog outputs process signals can be forwarded. The integrated application package "differential pressure" allows the quick and easy commissioning for differential pressure applications.

The RMA42 process transmitter exhibits a display, analog inputs for process and status signals, analog and digital outputs, and an interface for configuration. Connected sensors can be powered by the integrated LPS. All measured and calculated values are available as a signal source for display, outputs, relays and the interface.

Plant and apparatus engineering
Control rooms and cabinets
Process control, recording and supervision
Signal adjustment and conversion
Overfill protection (WHG)

Benefits

SIL 2 approval (optional);

Marine approval
1 or 2 calculated values and linearization table
Min./max. value saved
5-digit 7-segment LC display, backlit
1 or 2 universal inputs
2 relays (optional)
Digital status output (Open Collector)

Videos

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Predecessor

Process transmitter RMA422
XTN170

Measuring principle

Process transmitter
Measuring principle

Process transmitter
Function

Universal process and temperature transmitter with control unit
Loop power supply

24 V intrinsically safe loop power supply
Power Supply

Wide range power supply 24 to 230 V AC/DC (-20 % / +10 %) 50/60 Hz
Input

2 x universal (current, voltage, R, RTD, TC, resistance)
Output

2 x Analog (current, voltage)
Software functions

Internal software for calculations, linearization, limit monitoring
Monitoring of sensor wires according NAMUR NE43
Application package differential pressure measurement
Certificates

ATEX
FM
NEPSI
CSA
UKCA
UR C/US
marine approval
KTA
German WHG overfill protection
SIL

2
Display

LCD
7 segment
Multicolour
Bargraph
TAG unit
Colour change in case of failure
Interface

Not defined
Dimensions (WxHxD)

45 x 115 x 118 mm (1.77" x 4.53" x 4.65")

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

Specs at a glance

Input

Output

Display

Power Supply

Field of application

Benefits

Videos

Lean selection

Predecessor

Measuring principle

Measuring principle

Function

Loop power supply

Power Supply

Input

Output

Software functions

Certificates

SIL

Display

Interface

Dimensions (WxHxD)

Back

Spare Parts RMA42

Spare Parts RMA42

Terminal plug 4p "11 12 13 14"

Terminal plug 4pole "15 16 17 18"

Terminal plug 4p "11 12 13 14" blue

Terminal plug 4p "15 16 17 18" blue

Terminal plug 4pol "O16 O15 D12 D11"

Terminal plug 4pol "R13 R11 R12" coded

Terminal plug 4pol "R23 R21 R22" coded

CPU Board (w/o Display) RMA42

Spare Parts RMA42

Terminal plug 4pole "21 22 23 24"

Terminal plug 4pole "25 26 27 28"

Terminal plug 4p "21 22 23 24" blue

Terminal plug 4p "25 26 27 28" blue

Terminal plug 4pol "O25 O26"

Terminal plug 4pol "N / - L / +" cod

Commubox FXA291 (Hardware)

Configuration Kit TXU10

Field housing - PG, 90mm mounting rail

RN42 active barrier

Input

Output

Power Supply

RN42 active barrier

Input

Output

Power Supply

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