WELBA MRF-2 Series User Manual

1. Introduction
104781 - MRF-2 | MRH-2 - V2.4 - 22.07.2020 Page 7
1.4 Model / type plate
These instructions apply to all controllers in the series MRF-2 | MRH-2. They contain
detailed descriptions for operation and parameter setting for all variants.
The type designation and the exact connection diagram for your controller can be
found on the controller as a connection sticker.
Example:
Controller type designation:
and
You can find a more detailed connection diagram for your controller on the accom-
panying device documentation.
Example:
L
N
34 42
K1..K4: 230V AC 5A AC1
K1
13 14 23 24
K2 K3
31 41 44
K4
32A1 A2
104444
230V (50/60Hz)AC
MRF-2-001-A
7 6 5
i1
4 3 2 1
i2i3i4 8
Sonsor:
PT100-2/3L
KTY 81-210
-
+
RX/TX
RX/TXKTY 81-110
PT1000
A1
ANALOG
IN
DIGITAL IN- RS 485Sensor 1Sensor 2
GNDU/I
L N
34 42
K1..K4: 230V 5A 1AC AC
K1
13 14 23 24
K2 K3
31 41 44
K4
32A1 A2
104444
230V (50/60Hz)AC
MRF-2-001-A

WELBA MRF-2 Series Specifications

General

Brand	WELBA
Model	MRF-2 Series
Category	Controller
Language	English