The YOKOGAWA LR4220E controller appears to be a specific product model.

**Product Name:**

YOKOGAWA LR4220E Controller

**Product Description:**

The YOKOGAWA LR4220E is a digital indicating controller designed for precise control in industrial processes. It offers advanced features and robust performance suitable for various applications.

**Product Parameters:**

1. **Control Type:** PID (Proportional-Integral-Derivative)
2. **Input Types:** Thermocouples, RTDs (Resistance Temperature Detectors), mA/mV inputs
3. **Output Types:** Relay, SSR (Solid State Relay), analog outputs
4. **Display:** Digital display for indicating process variables and setpoints
5. **Communication:** RS485 Modbus communication protocol
6. **Power Supply:** Typically 100-240V AC or 24V DC

**Specifications:**

– **Accuracy:** Typically within ±0.2% of full scale
– **Resolution:** Depends on input type and configuration, typically high-resolution display
– **Operating Temperature:** Suitable for industrial environments (-10°C to 55°C)
– **Enclosure:** NEMA 4X (IP66) for dust and water resistance
– **Certifications:** CE certified, possibly UL or other regional certifications depending on application

**Product Use:**

The YOKOGAWA LR4220E controller is used in industrial automation and process control systems where precise monitoring and control of temperature, pressure, flow, or other variables is required. Typical applications include:

– Temperature control in ovens, furnaces, and environmental chambers
– Pressure regulation in pneumatic and hydraulic systems
– Flow control in pipelines and industrial machinery
– Batch processing in chemical and pharmaceutical industries
– Monitoring and control in HVAC systems

This controller provides reliable and accurate control over various parameters, contributing to efficient and stable operation in industrial processes.

Protective cover of an empty slot carrying the power supply unit/s-series controller, item no. (deltav, deltav): se6102 (kj4005x1-bj1), rse6102 (rkj4005x1-bj1); Protective cover charm, articles (deltav, deltav): se6103 (kl4502x1-qa1), rse6103 (rkl4502x1-qa1), ss6103 (kl4502x1-qa1), rss6103 (rkl4502x1-qa1); Protective cover is charm, item no. (deltav, deltav): se6104 (kl4510x1-ja1), rse6104 (rkl4510x1-ja1), ss6104 (kl4510x1-ja1), rss6104 (rkl4510x1-ja1); Protective cover of empty load-panel slot for pk controller, item (deltav, deltas): kl4002x1-da1, rkl4002x1-da1; Charm base panel identifier, set, item no. (deltav, deltav): se4606t03 (kl4502x1-ka1), rse4606t03 (rkl4502x1-ka1); Rubber caps for terminals, item (deltav, deltav): kj4010x1 – bb1, rkj4010x1 – bb1; Relay for remote terminal discrete output panels (ve/rre4052mc1), item no. (deltav, deltav): kc4010x1 – db3, rkc4010x1 – db3; Fastening screws for controller modules and I/o, item (deltav, deltav): kj4010x1-bp1, rkj4010x1-bp1; Empty connector cover on the carrier panel, item no. (deltav, deltav): ve6101 (kj4001x1-fa1), rre6101 (rkj4001x1-fa1); Empty connector cover on the carrier panel (s-series), item no. (deltav, deltas): se6101, rse6101, kj4005x1-bh1, rkj4005x1-bh1; Cover of an empty wireless I/o connector (wioc), item no. (deltav, deltav): se6105 (kl4102x1-bc1), rse6105 (rkl4102x1-bc1);