model

technical performance

SR25

Contains microprocessor, intelligent PID automatic regulator, DIN96 × 96 × 140mm, with slope control, can preset 10 point SV values, 10 sets of PID and 10 sets of limiting, with LCD screen display

Input type and range

one

Thermocouple type: 15 types of thermocouples to choose from, temperature range -200~2300 ℃

two

Platinum resistance type (Pt100): 8 optional ranges, temperature range -200~600 ℃

three

DC voltage type: 0-10; 10～50; -10～+10; 0～20; 0～50; 0-100mV linear input

four

DC current type: Users can choose 4-20mA; 0-20mA linear input

six

DC voltage type: Users can choose from 0 to 1; 1～5； -1～+1； 0～2； 0～5； 0-10V linear input

controlled output

（1）

Y

Relay contact output: proportional cycle 1~200 seconds, 240V AC 2.5A/pure resistance, 1A/inductive

I

Current output: 4-20mA DC, load resistance=600 Ω/maximum

P

Solid state relay (SSR) voltage output: proportional cycle 1~200 seconds/variable 15V/20mA DC

V

Voltage output: 0-10V DC: load current=2mA/maximum

controlled output

(2)

(Heating/Cooling)

N

nothing

Y

Relay contact output: proportional cycle 1~200 seconds, 240V AC 2.5/pure resistance, 1A/inductive

I

Current output: 4-20mA DC, load resistance=600 Ω/maximum

P

Solid state relay (SSR) voltage output: proportional period of 1-200 seconds; 15V/20mA DC

V

Voltage output: 0-10V DC; Load current=2mA/maximum

Signal contact output

(Alarm/Status)

0

D01, D02 open collector electrode output; 24V DC/50mA maximum, can be connected to an external relay

one

Contact output (single pole single throw), EV1-EV3/240V AC 2.5A/pure resistance, 1A/inductive

Remote control input

(Cascade regulation)

06

0～10V DC; Input impedance=500k Ω/minimum

no isolation

input

04

4～20mA DC; Receiving resistance 250 Ω

05

1-5V DC input impedance=500k Ω/minimum

fourteen

4～20mA DC; Receiving resistance 250 Ω

isolation

input

fifteen

1～5V DC; Input impedance=500k Ω/minimum

sixteen

0～10V DC; Input impedance=500k Ω/minimum

Simulate sending

(Set PV or SV values inside the machine)

00

nothing

thirteen

0～10mV DC; Output impedance 10 Ω

Single output

fourteen

4～20mA DC; Load resistance=500 Ω/maximum

sixteen

0～10V DC; Load current=2mA maximum

twenty-three

0～10mV DC; Output impedance 10 Ω

dual output

twenty-four

4～20mA DC; Load resistance=500 Ω/maximum

twenty-six

0～10V DC; Load current=2mA maximum

communication interface

0

nothing

six

RS-422A， Communication distance of 1.2 kilometers (10 units per link)

seven

RS-232C， Communication distance of 15 meters (point-to-point)