MSC90AS DIN Rail Mounted Programable Analog Signal Isoatlor


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MSC90AS DIN Rail Mounted Programable Analog Signal Isoatlor , Signal Converter Programmable current, voltage, mv input by key, input-output-power Photo-electrical isolation, with LED display, transmitting and isolating mA, VDC signal to various instruments or DCS, PLC etc.control system




  • 1 input 1 output, 1 input 2 outputs, 2 inputs 2 outputs
  • Transmission accuracy (20°C): (0.2%FS+1) digit
  • Temperature shift: 0.0075%FS/°C
  • Power-Input-Output isolation: 1.5KVrms, 1min, 50HZ
  • Universal Input : mAdc, Vdc, mv 16 types signal input
  • Output signal: 4-20ma, 0-20ma, 0-5VDC, 1-5VDC; RS485
  • With LED display for input, output PV, SV setting by key
  • With optional math function: plus, sub, multiple divide
  • Standard 35mm Rail Installation with pluggable terminals
  • Size:109×116.5×18.5mm
  • Wide power supply: DC/AC 20-260V



Type 1 input 1 output, 1 input/ 2input 2 outputs Accuracy (+-0.2%FS +1)(20℃)
Isolated power distributed for transmitter Temperature shift 0.0075%/℃
Input Signal    4-20mA,0-10ma,0-20mA;

1-5V,0-5V,0-10V, -5 to 5V,

Isolated ability Input-output-power isolation

1.5KVrms,1min, no sparking

-10 to 10V ,0-20mv,0-40mv,0-100mv, Insulation resistance Input-output-power≥100MΩ(500VDC)
-20 to 20mv, -100 to 100mv, 0-75mv, Response time: 50ms up to 90% of final PV value
-40 to 40mv, -75 to 75 mv Math Function plus: +, sub:-,multiple: x, divide: /
Input impendence  ≤50Ω when current mA input; Display /key LED display, 4 button key
≥250KΩwhen voltage VDC put Power supply DC/AC 20-260V (50/60Hz)
Max. Input mA/V ≤30mA, ≤10.5V Consumption <1W/(1 input 1 output);
Distributed power 19-25VDC, ≤30mA (DC/AC100-265V) <1.4W (1 or 2 input 2 outputs)
Output 4-20mA,0-10mA;0-20mA;1-5V,0-5V Case material/Protection PC/ IP20
Load resistance   ≤500KΩ when 4-20mA,0-10mA,0-20mA EMC GB/T18268 (IEC61326-1)
≥250KΩ when 0-5V,1-5VDC Size/N.W. 175×111.4×121.2/0.14kg
. Communication RS485 MODBUS-RTU Protocol Working T&H -10 to 50℃/25% to 85%RH
Rate/Distance ≤19.2kps, ≤1Km for RS485 Storage temperature -10 to 60℃


Size (mm)



Order Code

MSC90AS: Smart Programmable DIN Rail Mount Analog Signal Isolator
Order Code: E.g.: MSC90AS-NN11-1N1N-N Description
MSC90AS -X X X -X X X X -X MSC90AS: Smart DIN Rail Mount Analog Signal Isolator
Display -D   With LED display indicator
Type N Signal isolator without distrusted power supply for transmitter
P Signal isolator with distributed power supply for transmitter
Input-Output NO. 11 1 Input 1 output
12 1 input 2 output
22 2 Input 2 Output
Input 1

(When type code: P,

input type only 1,2,3:

4-20ma,0-10ma,0-20ma input)

-1 4-20mA(default)
-2 0-10mA
-3 0-20mA
-4 0-5VDC
-5 1-5VDC
-6 0-10VDC
-A -5 to 5V
-B -10 to 10V
-C 0-20mV
-D 0-40mV
-E 0-100mV
-F -20 to 20mV
-G -100 to 100mV
-H 0-75mV
-J -40 to 40mV
-K -75 to 75mV
X When there is no input when Input 2
Input 2 (When type code: P,

input type only 1:4-20ma, 0-10ma,0-20ma input)

N None
Please choose correct input type as Input 1’s order code
K -75 to 75mV




1 4-20mA (default)
2 0-10mA
3 0-20mA
4 0-5VDC
5 1-5VDC
C RS485 Output, MODBSU-RTU ( OUT2 without output)



N None
1 4-20ma (default)
2 0-10mA
3 0-20mA
4 0-5VDC
5 1-5VDC
Power Supply -N DC/AC 20-260V 50/60Hz


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