МК-576-008 А

The analog input module МК-576-008 A is used to measure an analog signal from detectors and instruments with a current output in a range of 4 to 20 mA (0 to 20 mA), as well as to carry out exchange via the HART protocol.

TECHNICAL CHARACTERISTICS:

Dimensions HxWxDГ: 180x40x145,2 mm;
Weight: not more than 400 g;
Structural design: for installation on a standard 105 mm DIN bar;
Connection: 40 contacts, 1.5 mm², PUSH-IN;
IP protection: IP20;
Power supply voltage: 5 V;
Power consumption: 3 W;
Number of outputs: 8;
Accuracy grade: 16 bits;
Reproduction range: 4...20 (0...20) mА;
Input resistance: 250-260 Ohm;
Galvanic isolation of a channel group – control circuit (Including common bus): 1500 V;
Galvanic isolation between channel groups: 500 V;
Limit value monitoring: yes;
Channel protection from overvoltage (up to 30 V): yes;
Mean time:
- between failures (Siemens SN 29500): 1 052 632 h;
- between metrological failures of the module: 100 000 h.

METROLOGICAL CHARACTERISTICS:

Current 4...20 (0...20) mА:

• Basic reduced error of measurement: ± 0,025%;
• Additional reduced error caused by a change of ambient air temperature from (25±2) °C to any temperature in a range from minus 20 °C to plus 70 °C: ± 0,05%.

Calibration interval: 5 years.