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Analog Signal Conditioning & Isolation Modules

/ SIM-Micro 2.0 Series

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The SIM Micro - Series signal conditioning & isolating modules are compact DIN rail mountable modules which enhance the Channel packing density per unit length of the mounting rail. For e.g. 16 signal modules can be stacked on a 500 mm rail length. These modules are thus suitable for use in process control & instrumentation panels where a large number of signal modules are required and space is limited.

The Micro - Series range comprises of compact Signal modules. The signal modules are available in single, dual channel and Signal Splitter types. A variety of input modules are available which accept analog DC Voltage, DC Current, RTD, Thermocouple signals from field sensors or transmitters. Modules with universal input & output signal ranges are also available. The input signal is filtered, isolated, converted, amplified & in some cases split into multiple outputs. Thus enabling field devised to interface directly with indicators, controllers, recorders, DCS and PLC systems used extensively in manufacturing and process industries. This eliminates faulty reading in process measurement and control equipment caused by ground loops, noise due to inductive load switching, and other unpredictable electrical disturbances.

Various inoput/output combinations are possible besides the standard types given in this data sheet. The units operate on a wide auxiliary power supply span of 18 -36 V DC. An LED on the module front facia indicates the status of the power supply. It shall glow if the Power supply is health. Standard units are available in compact 35mm DIN rail mounted enclosures.

SIM -Micro - 2.0 Series Variants

Variants in this series are divided into following types each with 2 port & 3 port isolation versions and single / dual channel / splitter types :

	DC Voltage Signal module
	DC Current Signal module
	RTD Signal module
	Thermocouple Signal module
	Universal Signal module

Features

High packing density per unit length of rail

Easy Scalability to meet future expansion

Available in Single / Dualchannel / Splitter types

Improved Perfomance.

1	Low peak and RMS noise.
2	Low drift input circuitry for long term stability.

Wide auxiliary Supply of 18 - 36 VDC

Accuracy + 0.1 % of FS

2 Port and 3 Port Isolation options

2 KV Isolation @ leakage current < 5 mA.

DIN rail mounting.

Customized versions possible.

Applications

	Use in PLC / DCS / Instrumentation control panels requiring large no. of channels Reduction of electrical noise in low level signal & amplification
	Signal transmission over long distances in large process plants.
	Protection of equipment from high voltage surges induced by lightning or inductive load switching.
	Measured signal splitting for 2 receiver instruments e.g. Controller & Recorder OR redundant PLC inputs.

Technical Specifications

Module type	Universal	Single channel (Non - Universal)
Input Range (selectable) Sensor / transmitter excitation Input Resistance	4 - 20 mA. 0 - 20 mA 0 - 1VDC, 0 5VDC, 0 - 10VDC +24 V DC for 4-20mA 100 Ohms for DC current inputs > 100K for Voltage inputs	0 - 1VDC 0 - 2.5VDC 0 - 5 VDC 0 - 10VDC 4 - 20mA 0 - 20mA
Isolation Level. CMV (I/P to O/P)	2KV Rms max.	2KV rms max.
Accuracy Non-Linearity Temp. Drift Bandwidth (3 dB) Response Time	+/- 0.2% of Span +/- 0.1% of Span 0.01% /^o C 10Hz 0.1 Sec	+/- 0.2% of Span +/- 0.1% of Span 0.01% /^o C 10Hz 0.1 Sec
Output Range (selectable) Output Resistance for Voltage outputs Output Load Driving Capacity for Current outputs	4 - 20mA 0 - +10 V DV 1 K Ohms Min. 500 Ohms	0 - 5 VDC 0 - 10VDC 4 - 20mA 0 - 20mA
Powe Supply Voltage Powe Supply Current	18 - 36 VDC 150 mA max. for single channel	18 - 36 VDC 150 mA max. for single channel
Mechanical Size Enclosure	W - 22.5mm H - 75mm D - 110mm Plastic, 35 mm DIN Rail Mounted.	W - 22.5mm H - 75mm D - 110mm Plastic, 35 mm DIN Rail Mounted.
Environmental Operating temp. range Storage temp. range Relative Humidity	0 -60^o C 0 -80^o C 0 -90^{o% RH noncondensing}	0 -60^o C 0 -80^o C 0 -90^{o% RH noncondensing}

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