PID temperature regulator MRW-P

Display 3 digits
Display 4 digits
Tailor-made models
Customers’ individual wishes in terms of special functions or different frontal layouts with company logo can be fulfilled quickly and economically.
We will also be pleased to inform you about existing variants of basic devices or the possibility of tailor-made adaptations to suit your specific needs.
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PID- temperature regulator for wall surface mounting
(131 x 91 mm)
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Universally configurable temperature regulators for wall surface mounting.
Can be used as a fast, precise and complex multi-channel regulator with PID regulating functions and many extras.
This series is particularly suitable for controlling heating and refrigeration processes in technical environments where quick and precise regulation is necessary. It offers many different programming possibilities for controlling compressors, heating elements, alarms, etc.
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Can be used as:
- Regulators with up to 6 freely programmable relay outputs.
- Regulators with 2 sensor inputs, to control the differential temperature (room temperature regulation).
- Regulators with 3 sensor inputs, to control 3 independent circuits (also possible on the basis of room temperature).
- Regulators with up to 5 digital inputs:
- configurable e.g. as fault alarm contacts to report faults in plant components such as high-pressure or low-pressure pressostats etc. (visual or acoustic alarm or via relay contact),
- configurable to switch between 2 target values (day/night) via an external switch.
- Regulators with programmable buttons, e.g. to switch downstream plant components on or off.
- Regulators with temperature alarm to monitor a predefined temperature (visual or acoustic alarm or via relay contact).
Features:
- PID regulating functions
- Easy operation via three work levels
- Automatic parameter storage without data loss when a power-cut occurs
- Freely selectable target temperature and hysteresis
- Hysteresis adjustable either in one direction or symmetrically
- LED display of operating status
- Target temperature and upper/lower hysteresis limit freely adjustable
- Heating / cooling interchangeable
- Lockable buttons to prevent changes to target temperature
- Alarm in the event of sensor short-circuit/sensor fault
(adjustable relay switching state in event of fault)
- Switchable between °C or °F display
- Separately adjustable minimum action time and minimum pause time for output relay
- Outputs as switching relays, semiconductor relays or analogue 0..10 V
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Connection diagrams |
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Please choose from the following basic regulators.
Symbols in grey are available as options. |
230 V - 1 sensor input

230 V - 1 sensor input

230 V - 2 sensor inputs

230 V - 2 sensor inputs

230 V - 3 sensor inputs

24 V - 2 sensor inputs

24 V - 3 sensor inputs

24 V - 3 sensor inputs

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Technical data |
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Operating voltage |
look at connection diagrams |
Relay contact
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look at connection diagrams |
max. switching current |
8, 10 or 16 A AC1 |
max. switching voltage |
250 V ~ |
Display |
13 mm LED-Display, 3 or 4 digits |
Display range
- 3 digits
- 4 digits |
-99 to 999
-999 to 9999
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Number of sensor inputs |
1 to 3 |
Usable sensor types |
KTY 81-210 or PT 100 |
Measurement range
- KTY 81-210
- PT 100 - 2 leads
- PT 100 - 3 leads |
-50° to +150°C
-99° to +400°C
-99° to +400°C
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Digital inputs |
0, 1, 4 or 5 |
Temperature alarms |
0 or 1 (2 on request) |
Control type |
two-/ three-step regulator |
Hysteresis |
0,1 K to 99,9 K freely adjustable |
Operation mode |
heating/cooling interchangeable
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Housing
- front panel
- depth |
131 x 91 mm
64 mm
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Protection |
IP 65 |
Connection |
screw terminals |
Ambient temperature
- operation temperature
- storage temperature
- max. humidity |
0° to +50°C
-20° to +70°C
75% (no condensation)
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