Dwyer SCD Manual do Utilizador descarregar pdf (Página 2)

FUNCTION AND SPECIFICATION

Power Supply DC24V. Isolated switching power

Voltage Range Rated voltage: 90% ~ 110%

Power consumption

Rated 24 Vdc, Max. 24 W combined, 3 W + 3 W x no. of SCD2000 (max. 7

connected)

Thermocouple: K, J, T, E, N, R, S, B, L, U, TXK

Platinum RTD: Pt100, JPt100

Sensor Type

Linear DC input: 0 ~ 5V, 0 ~ 10V, 0 ~ 20mA, 4 ~ 20mA, 0 ~ 50mV

Sampling Rate Analog input: 0.15 sec. Thermocouple or Platinum RTD: 0.4 sec.

Control Method PID , PID program control, Manual or ON/OFF

Relay output (SPST), Max. load 250VAC, 3A resistive load

Voltage pulse output: DC 12V, Max. output current 40mA

Current output: DC4 ~ 20mA output (Load resistance: Max. 5,00Ω)

Output Type

Analog voltage output: 0 ~ 10V (Load resistance shall be higher than

1,000Ω)

Output Function

Control output, Alarm output, or Retransmission output (only for linear

voltage and current output as 1

group)

Alarm Function 12 Alarm mode selections

Communication RS-485 digital communication, 2,400bps ~ 38,400bps.

Communication Protocol Mod-bus communication protocol, support RTU/ASCII.

Internal Connection

Provide internal connection terminals to transmit 24V power supply and

communication signal.

Vibration Resistance 10 to 55Hz, 10m/s

for 10min, each in X, Y and Z directions

Shock Resistance Max. 300m/ s

, 3 times in each 3 axes, 6 directions

Ambient Temperature 0

C to + 50

Storage Temperature -20

C to + 65

Altitude 2,000m or less

Relative Humidity 35% to 85% RH (non-condensing)

Pollution Degree Degree 2

PRODUCT PROFILE AND OUTLINE

SCD1000

RUN/STOP switch

Wiring and Model name

DIN fix

I/O terminals

LED indicators

Extension hole of the extension unit mounting

pins

Specification label

Extension port

Extension clip

DIN rail

RS-485 communication port

Extension clip

90.0

3.0

60.03.4

25.2

4.0

3.0

DC power input

SCD2000

Wiring and Model name

DIN rail clip

I/O terminals

LED indicators

Extension hole of the extension unit

mounting

pins

Specification label

Extension port

Extension clip

DIN rail

90.0

3.0

60.03.4

25.2

4.0

3.0

Extension port

1 2 3 4 5 6 7 8 9 10

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