Intelligent digital display instrument
Main features
●Double row display process value and set value
●Input signal: thermocouple, thermal resistance, current signal, voltage signal
●Output: relay/solid state relay/current continuous PlD output
●Two groups of relays alarm, multiple alarm modes
●Heating/cooling control optional
●Power supply: 100-240VAC/21-48VAC/DC
Optional features
●RS485 communication interface MODBUS/RTU protocol
●Opto-isolated external contact input
●Thermal resistance Pt100/Pt1000 optional
●Slash heating function
●Automatic/manual mode switching
● Second control point
●24V feed output
Technical Parameters
●Input
Thermocouple input signal: K/J/E/N/T/R/S/B,
Thermal resistance input signal: Cu50/Pt100/Pt1000
Linear signal: 0/4-20mA, 0/1-5VDC, 0/2-10VDC
●Control
PID control: ON/OFF control
PID calculation integral action limit
Sampling time optimization function
Self-tuning function
Heating/Cooling Control
●Heating/cooling control output
SPDT relay 5A@250VAC relay
+12VDC logic drive solid state relay, the maximum load can be connected to 35mA
0/4-20mA or 0/2-10V continuous output
Thyristor zero-crossing/phase-shift output
Cycle time 1~100s
Resolution 0.01s
●Alarm output
Two-way alarm SPST relay
*alarm mode code
A: upper limit deviation alarm;
B: Lower limit deviation alarm
C: upper and lower limit deviation alarm;
D: alarm within the interval
E: There is a standby action upper limit deviation alarm
F: There is a standby action lower limit deviation alarm
G: With standby action upper/lower limit deviation alarm
H: upper limit absolute value alarm;
J: lower limit absolute value alarm
●Operation
Auto/Manual Mode
●Power supply
100-240VAC50/60HZ Power: 4W
21-48VAC/DC Power: 4W
●Working environment
Temperature: 0-50℃
Relative humidity: 30%-85% (non-condensing)