Input modules
Our dealersThe module is used for galvanically isolated intrinsically safe connection of devices and sensors with a discrete output of the "dry contact" type, as well as data reception from instruments with a pulse (frequency) output.
![]() |
Discrete input extension module |
Purpose: |
The module is used for galvanically isolated intrinsically safe connection of devices and sensors with a discrete output of the "dry contact" type, as well as data reception from instruments with a pulse (frequency) output. |
The input's operation mode is configured as needed. Two modes are provided:
-
Level (for connection of "dry contact" sensors);
-
Counting (for receiving pulse\frequency signals).
Configurations:
Module configuration | Number of inputs |
Galvanic isolation of inputs |
MRD-4 | 4 | no |
MRD-8 | 8 | no |
MRD-4 with galvanic isolation | 4 | yes |
MRD-8 with galvanic isolation | 8 | yes |
![]() |
Analogue input extension module |
Purpose: |
The module is used for a galvanically isolated spark-proof connection of devices and sensors with analogue outputs of the following types:
|
The analogue-to-digital converter provides measurement of input quantities with the standard accuracy of ± 1%, or with increased accuracy of ±0.2%.
Configurations:
Module configuration | Accuracy |
Number of inputs |
Galvanic isolation of inputs |
MRA-2 | ±1% | 2 | no |
MRA-4 | ±1% | 4 | no |
MRA-2 with galvanic isolation | ±1% | 2 | yes |
MRA-4 with galvanic isolation | ±1% | 4 | yes |
MRA-2 increased acc. | ±0.2% | 2 | no |
MRA-4 increased acc. | ±0.2% | 4 | no |
MRA-2 increased acc., with galv. isolation | ±0.2% | 2 | yes |
MRA-4 increased acc., with galv. isolation | ±0.2% | 4 | yes |
Characteristics |
Digital module extension interface |
Discrete input extension module |
Analogue input extension module |
Number discrete /analogue of inputs |
3 | up to 8 | up to 4 |
Ambient air temperature: |
-30 °С ≤ t ≤ +50 °С |
||
Characteristics: |
-55x95х60 mm - 0.2 kg In box: -345x311х117.5mm -not more than 5.5 kg |