W900 Series Intelligent Liquid Crystal Temperature Controller
Description
Product Features
- Adopts three-color LCD screen with bright, vivid colors for excellent display effect.
- Equipped with low temperature drift components, offering measurement accuracy of Class 0.2.
- Built with the latest industrial-grade Renesas CPU from Japan. Renesas chips are widely applied in high-reliability scenarios such as automotive electronics.
- Universal input compatible with all types of thermocouples and RTDs; also supports linear signals including 4~20mA and 0~5V.
- Embedded with Shimaden PID algorithm and exclusive anti-overshoot PID control for precise temperature regulation.
- Supports up to 50 program segments, flexibly divided into one or two groups of curves.
- Comes with RS-485 communication interface supporting MODBUS RTU protocol; master-slave communication is available between instruments.
- Configurable with maximum two outputs for heating & cooling control, and up to two alarm outputs.
Basic Specifications
| Power Supply Voltage | 100~240V AC ±10%, 50/60Hz |
| Power Consumption | Max. 6VA |
| Insulation Resistance | 20MΩ at 500VDC between input/output terminals and power terminal |
| Withstand Voltage | Power ↔ All Terminals: AC 1500V for 1 minuteRelay Contact Output ↔ All Terminals: AC 500V for 1 minuteOthers: AC 1500V for 1 minute |
Measurement Salue Input
| Item | Specification |
| Input Points | 1 Point |
| Input Signal | Thermocouple: K, B, J, E, S, T, N, R, PLII, WRe5-26, U, LRTD: PT100Voltage: -1~1V, 0~1V, 0~2V, 0~5V, 1~5V, 0~10VCurrent: 0~20mA, 4~20mA |
| Display Accuracy | 0.2% of Full Scale (FS) |
| Input Sampling Cycle | 250ms |
Alarm Output
| Item | Specification |
| Number of Output Points | Max. 2 Points |
| Output Rating | AC 250V / DC 30V, 5A (Resistive Load) |
| Alarm Modes | • High Deviation• Low Deviation• In-Zone• Out-of-Zone• High Absolute Value• Low Absolute Value• Over Range• Run/Standby Status• Manual Status• Auto-Tuning Status• Program End Alarm |
Control Output
| Item | Specification |
| Output Points | Max. 2 points (Heating / Cooling or Proportional Motor Output) |
| Relay Output | A-contact, AC250V / DC30V, 5A (Resistive Load) |
| SSR Trigger Signal | DC12V (DC10.7~13.2V), Max. Current DC20mA |
| Current Output | DC0~20mA / DC4~20mA, Load ≤500Ω |
| Voltage Output | DC0~5V / DC1~5V / DC0~10V / DC2~10V, Load ≥10kΩ |
| SCR Trigger Signal | Directly drive single-phase or three-phase SCR modules |
| Proportional Motor Output | Contact capacity AC250V/DC30V, 12A; Dual relay output for valve opening & closing |
| Communication | Modbus-RTU format: 8 data bits, 1 stop bit, even parity / no parityBaud rate: 9600, 19200, 38400 |
| Transmission Output | 1 channel DC4~20mA output, supports transmission of PV, SV, MV |
Shape and panel hole openings
| Category | Symbol | WA900 | WA400 | WA700 | WA100 |
| Overall Dimension | H | 96×96 | 48×96 | 72×72 | 48×48 |
| Overall Dimension | L1 | 4.1 | 4.1 | 4.1 | 4.1 |
| Overall Dimension | L2 | 71 | 71 | 71 | 71 |
| Panel Cutout Size | H1 | 92 −0.0+0.8 | 92 −0.0+0.8 | 68 −0.0+0.8 | 45 −0.0+0.6 |
| Panel Cutout Size | W1 | 92 −0.0+0.8 | 45 −0.0+0.6 | 68 −0.0+0.6 | 45 −0.0+0.6 |
| Panel Cutout Size | H2 | ≥130 | ≥130 | ≥85 | ≥60 |
| Panel Cutout Size | W2 | ≥130 | ≥60 | ≥85 | ≥60 |
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