Controllers & Temperature Controllers
Product Details · PRODUCT DETAILS
LU-906M Intelligent PID Controller
The LU-906M intelligent controller is widely used in automatic temperature, flow, pressure and level control systems in the chemical, ceramics, light industry, metallurgy, petrochemical and heat treatment industries.
I. Overview
Built on the LU-606M smart controller, the LU-906M smart controller further improves noise immunity and overall performance through a modular structure, EMI suppression, and other technologies; combined with the advanced fuzzy PID control method, its functions and performance are increasingly complete.
The LU-906M smart controller uses an advanced ATMEL single-chip microcomputer as the host, reducing peripheral components and improving reliability. It integrates multiple input types, output modes, and control modes in one unit. By combining fuzzy theory with conventional PID control, it achieves fast response, small overshoot, and high steady-state accuracy, and shows a clear control effect especially on objects with large pure lag that are difficult to control with conventional PID.
The hardware adopts a WATCHDOG circuit, and the software adopts redundancy, trap, and other noise-immunity techniques, giving the instrument very high reliability and allowing it to work in harsh environments. The instrument provides bumpless manual/automatic switching and auto-tuning, as well as a soft-start function on power-up.
The LU-906M smart controller is widely used in automatic control systems for temperature, flow, pressure, and level in chemical, ceramic, light industry, metallurgy, petrochemical, and heat treatment industries.
2. Main Technical Specifications
Basic error: ±(0.2%F.S+1) digit
Resolution: 1, 0.1
Display: dual 4-digit LED display + bar graph
Input specifications:
K, S, B, T, E, J, WRe325, N
Pt100, Cu50, Cu100
0-10mA, 4-20mA
0-5V, 1-5V
Special input: R, WRe526, mV, others
J1: Relay output (resistive 250VAC/3A, NO + NC)
J2: Relay output (resistive 250VAC/0.8A, NO)
T: Solid-state relay trigger output (12V/40mA)
T1: Single-channel SCR zero-crossing trigger output
T2: Two-channel SCR zero-crossing trigger output
I1: Control current output (0-10mA 4-20mA)
I2: Transmitter current output (0-10 mA 4-20mA)
V1: DC12V/50mA supply module
V2: DC24V/50mA supply module
V3: DC5V/50mA supply module
R: RS232 communication module
S: RS485 communication module
C1: Single-phase SCR phase-shift trigger
C3: Three-phase three-wire SCR phase-shift trigger
C4: Three-phase four-wire SCR phase-shift trigger
Thermocouple cold junction compensation error: ±1°C
Broken sensor or over-range: displays symbol Sb
Sampling period: 0.5 s
Power supply voltage: 85-264VAC
Power consumption: 4W
3. Dimensions and panel cutout (W×H×D) Unit: mm
Type A: 96×96×105 Cutout: 92×92
Type B: 48×96×105 Cutout: 45×92
Type C: 96×48×105 Cutout: 92×45
Type D: 160×80×105 Cutout: 152×76
Type E: 80×160×105 Cutout: 76×152
Type F: 72×72×105 Cutout: 68×68
Type G: 48×48×100 Cutout: 44×44
LU-906M Intelligent PID Controller User Manual
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