eYc DST01 Universal Isolating Signal Converter / Splitter EYC TECH Việt Nam STC Việt Nam

Power

Power supply

  AC 95 ... 250 V, DC 12 ... 38 V

Power consumption

  10 VA, 5 W maximum

Signal input

Type

  Thermocouple(J, K, T, E, B, R, S, N, L, U, P, C, D),   RTD(Pt100(DIN),
  Pt100(JIS)), current(mA), voltage(V)

Sampling rate

  5 Times / Second(200 msec)

Temperature effect

  1.5 μV / °C for all inputs except mA input, 3.0 μV / °C for mA

Sensor lead
resistance effect

  Thermocouple：0.2 μV / Ω ;
  3-wire RTD：2.6°C / Ω of difference  of resistance of two leads
  2-wire RTD：2.6°C / Ω of sum of resistance of two leads

Burn-out current

  200 nA

Common mode
rejection ratio(CMRR)

  120 dB

Normal mode
rejection ratio(NMRR)

  55 dB

Sensor break detection

  Sensor open for thermocouple, RTD and mV inputs, sensor short 
  for RTD input, below 1 mA for 4 ... 20 mA input, below DC 0.25 V
  for DC 1 ...   5 V input, not available for other inputs

Sensor break
response time

  within 4 seconds for thermocouple, RTD and mV inputs, 0.1 second
  for 4 ... 20 mA and DC 1 ... 5 V inputs

Analog
retransmission
output 1
output 2
output 3

Number of outputs

  3

Output signal

  4 ... 20 mA, DC 0 ... 10 V

Accuracy

  ±0.05% of span ±0.0025% / °C

Load resistance

  0 ... 500 Ω for current output, 10 KΩ minimum for voltage output

Output regulation

  0.01% for full load change

Output setting

  Time 0.1 second(Stable to 99.9%)

Isolation breakdown

  AC 1000 V minimum

Integral linearity error

  ±0.005% of span

Temperature effect

  ±0.0025% of span / °C

Data
communication

Interface

  RS-485

Protocol

  Modbus RTU(Slave mode)

Address

  1 ... 247

Baud rate

  2.8 ... 115.2 KBPS

Parity bit

  None, even or odd

Stop bit

  1 or 2 bits

data length

  7 or 8 bits

Communication buffer

  160 bytes

User interface

Key / Display

  Keypad：4 keys
  4 Digit LCD display；No of display 2
  Upper：0.58”(15 mm)；Lower：0.3”(7.8 mm)

Digital filter

Function

  First order

Time constant

  0, 0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 seconds, programmable

Environmental
 and physical
specifications

Temperature

  Operating：-10 ... 50°C；Storage：-40 ... 60°C

Humidity

  0 ... 90%RH(Non-condensing)

Altitude

  2000 meters maximum

Pollution

  Degree II

Insulation resistance

  20 MΩ minimum(at DC 500 V)

Dielectric strength

  AC 2000 V, 50 / 60 Hz for 1 minute

Vibration resistance

  10 ... 55 Hz, 10 m/s2 for 2 hours

Shock resistance

  200 m/s2(20g)

Dimensions / Weight

  W22.5xH96xD83 mm / 160g

Approval
standards

IP rating

  IP65 for panel(in process), IP20 for terminals and housing(Indoor)

EMC

  EN61326