Intrinsically Safe Analog Output Module

Intrinsically Safe Analog Output Module


The UWNTEK UW5866 high quality intrinsically safe analog output module can be directly connected to the dangerous side actuator to isolate and transmit the current signal from the safe area to the dangerous area. UW6766 implements the verification, latching, protection, and output of single-channel analog output data. It can maintain data output or output specified set values under abnormal conditions according to configuration requirements, and supports online replacement.

This Intrinsically Safe Analog Output Module has passed the inspection in accordance with GB3836.1 and GB3836.4 standards and obtained an explosion-proof certificate. It is suitable for installation and use in safe areas, and can be used with intrinsically safe equipment in Zones 0, 1 and 2 of explosive gas hazardous locations.

Through software configuration, it supports analog output of 0~10mA, 0~20mA, and 4~20mA;

Automatically performs ambient temperature compensation and zero point and gain correction, no adjustment or maintenance required;

Online automatic diagnosis and operating status display, rapid identification of fault points, automatic identification of disconnections;

Complete isolation between modules and systems and between modules to keep out external interference;

Abnormal status configuration function, you can choose to output hold or output user set value;

Surge protection and online plug-in support circuit support module online plug-in and online replacement;

Low ripple, low temperature drift, high efficiency, high stability, high withstand voltage isolation power supply design, with multiple protections such as soft start, input short circuit protection, output power limit, and power distribution output current limit.

Technical parameters

parameter name Technical indicators
Rated input voltage 24VDC(18~36VDC)
input signal Current: 0~10mA、0~20mA、4~20mA
common mode rejection ratio ≥120dB
Series mode rejection ratio ≥60dB
Input precision ±0.1%F.S.
Distribution voltage Open circuit voltage <27V
Dielectric strength 2500Vac (1min)
Dimensions 115mm×112mm×13mm
Installation Environment On-site installation should comply with the GB3836.15-2000 standard and be installed in a non-hazardous place, and there should be no strong vibration, impact, gas or dust that are corrosive to product components in the surrounding environment.
Note: For products that have passed the explosion-proof inspection, components and structures that affect the explosion-proof performance cannot be changed at will.
working environment Ambient temperature: -20℃~60℃
Relative humidity: 10%~90%RH (no condensation)
Atmospheric pressure: 80~110KPa
Explosion-proof signs [Ex ia Ga] IIC
Intrinsically safe parameters C、Dterminals:
IIC:Co=0.05uF, Lo=2.4mH;
IIB:Co=0.65uF, Lo=7.2mH;
IIA:Co=2.15uF, Lo=19.2mH.
Intrinsically safe parameter matching principle
UW6766Intrinsically safe parameters Match condition Intrinsically safe instrument parameters + cable parameters
U0 Ui
I0 Ii
P0 Pi
C0 Ci+Cc
L0 Li+Lc

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