N1540 USB RS485 Universal Indicator, 2 relays, 96×48 mm – 8154000320

Description

Overview

The 8154000320 universal panel meter is a high-performance and versatile measurement device designed for precise monitoring of multiple process variables. With broad input compatibility, high-resolution display, advanced alarm functions, and optional communication features, it is ideal for demanding industrial applications.

Key Features
• Universal input support (thermocouples, Pt100, current, voltage, mV)
• Bright 5-digit LED display (17 mm height)
• High accuracy and fast sampling rate
• Electrically isolated analog output (optional)
• Two configurable alarm outputs with advanced functions
• Optional RS485 communication with Modbus RTU
• USB Mini-B configuration interface
• Password-protected configuration
• Compact 96 × 48 mm (1/8 DIN) panel-mount design

Applications
Industrial automation, process monitoring, temperature measurement, signal indication, and control systems

Specifications

• Display:
  LED 7-segment, 5-digit, 17 mm high
• Input Types:
  Thermocouples: J, K, T, N, R, S, B, E
  RTD: Pt100
  Linear signals: 0–20 mA, 4–20 mA, 0–50 mV, 0–5 VDC, 0–10 VDC

Measurement Features

• Sampling Rate: Up to 55 readings per second
• Input Resolution: 15 bits

Accuracy / Precision

• Thermocouples J, K, T: 0.2% of span ±1°C
• Thermocouples N, R, S, B: 0.2% of span ±3°C
• Pt100 and linear signals (mA, mV, V): 0.2% of span

Outputs

• Analog Output (Optional):
  0–20 mA or 4–20 mA (electrically isolated)
  Resolution: 12 bits
• Alarm Outputs:
  2 programmable alarms

Alarm Functions

• Minimum, maximum
• Minimum differential, maximum differential
• Differential out of range
• Sensor open detection

Communication (Optional)

• Interface: RS485
• Protocol: Modbus RTU

Configuration & Safety

• Interface: USB Mini-B (powered)
• Protection: Password-protected parameters

Electrical Specifications

• Power Supply:
  100 to 240 VAC/DC (±10%)
  or 12 to 24 VDC / 24 VAC (-10% / +20%)
• Auxiliary Supply: 24 VDC
• Maximum Consumption: 6 VA

Mechanical Specifications

• Dimensions: 96 × 48 × 34 mm (1/8 DIN)

Protection & Enclosure

• Front Panel: IP65, Polycarbonate (PC) UL94 V-2
• Enclosure: IP30, PC UL94 V-2

Environmental Conditions

• Operating Temperature: 0 to 50°C
• Humidity: 0 to 80% RH (up to 30°C)

Additional Features
• Multi-signal measurement in one compact device
• Fast, accurate, and stable process indication
• Flexible alarm and output configuration
• Easy integration into PLC and SCADA systems
• Robust and low-maintenance design