www.cynergy3.com ? 2017 cynergy3 components, all rights reserved. specifications are subject to change without prior notice. cynergy3 components and the cynergy3 components logo are trademarks of cynergy3 components limited. iso 9001 certified cynergy3 components ltd. 7 cobham road ferndown industrial estate wimborne, dorset 21 7 bh pe SC420TWHL 2017 telephone +44 (0) 1202 897969 email:sales@cynergy3.com made in the uk SC420TWHL ma and voltage input isolating terminals voltage or current inputs simple 2 wire 4-20ma output low cost solution replace standard din-rail terminals rfi protection, input isolation loop powered output gives high noise immunity the SC420TWHL series of isolating terminal blocks can replace standard din-rail terminal to provide input isolation, signal conversion and excellent rfi and noise rejection the units are powered from the output side, making them ideal for plc and data acquisition applications. inputs for the SC420TWHL include ma or voltage and other units are available with thermocouple, mv or rtd inputs. the standard output is 4-20ma. the SC420TWHL units are housed in ultra- compact din-rail mounted enclosures just 18mm wide. input options the range of inputs for the SC420TWHL are as follows:- standard ranges are 4-20ma, 0-20ma, 0-10v and 1-5v. but the unit can cover the following ranges:- input types input range min input range max dc current 0 - 100a 0 - 5 a dc voltage 0 - 100mv 0 - 100 v technical specifications parameter min typ max comments supply voltage 10v 24v 32v powered from output side input current 0ma 0-20ma 30ma full scale volt drop 0.2v 0.3v on input side (20ma input) input impedance (volt in) 1m voltage input input impedance (ma in) 10m ma input output linearity error 0.1% temp coefficient 100ppm/oc load resistance error 5ppm/ 0 < rl < 600 ? time constant (10-90%) 30ms 300ms for thermocouple input operating ambient -15oc 70oc relative humidity 0% 90% isolation voltage 1kv surge voltage 2.5kv for 50stransient of 10kv/s notes absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. device is protected against reverse polarity connection. accuracy figures based on 0-20ma input, 250 load resistance, and an ambient temperature of 20oc. installation data mounting din rail ts35 orientation any connections screw clamp with pressure plate conductor size 0.5-4.0mm insulation stripping 12mm weight approx 50g ordering information part no.: SC420TWHL 4-20ma in 4-20ma out connection details 1. output channel +ve 2. output channel -ve 3. input channel +ve 4. input channel -ve 63mm 58mm 18mm
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