NEWPWR SIL3 NPEXB-CM31 safety Analog input isolated barrier

NEWPWR NPEXB-CM31 safety control module

Analog output isolated barrier, it transfers 4~20mA signals from a safe area to a hazardous area. It allows transmission of HART communication signals. The input, output, and power supply are galvanically isolated from each other. The LFD function of output short-circuit/ line-break can be closed by the DIP switch on the front side.

Supply

Power supply18 ~ 60 V DC

Input

Input signal4 ~ 20mA, HART

Input voltage drop≤ 1.2 V

Output

Output signal4 ~ 20mA, HART

Load resistance80 ~ 800 Ω

Transfer characterisics

Accuracy0.1 %F.S.

Temperature drift30 ppm/℃

General parameters

DIP switch settingsS1→ON：LFD on；S1→OFF： LFD off

Response time≤ 2 ms

Power dissipation1 W

EMC data

Electromagnetic compatibilityIEC 61326-3-1

Dielectric strength≥ 3000V AC (intrinsically safe side / non-intrinsically safe side); ≥ 1500V AC (Power supply /non-intrinsically safe side)

Insulation resistance≥ 100 MΩ (Input /Output/Power supply)

Operating conditions

Operation temperature-20 ℃ ~ +60 ℃

Storage temperature-40 ℃ ~ +80 ℃

Suitable locationMounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, T4 ~ T6

State

Line Failure stateWhen the output load resistance was detected less than 30Ω, the output is in the fault of short circuit. When the output load resistance was detected more than 8000Ω, the output is in the fault of line breakage. If the output is in the fault, the input current value is limited to within 1mA and the output current value is limited to 3mA.

Mechanical specifications

Connection methodScrew connection

Dimension12.8mm (W) × 110mm (H) × 117mm (D)

Mounting typeDIN35 mm

Certified data

Ex marking[Ex ia Ga]ⅡC