GJR5251200R0101 | ABB 07 EA 90-S Analog Input Module

The ABB 07 EA 90-S is a safety-rated analog input module designed for use in safety-critical automation systems. This module is a key component of the Advant Controller 31-S PLC, offering robust performance and compliance with requirement classes 1–4 per DIN V 19250.

It features 4 electrically isolated input channels optimized for 4–20 mA current signals, ensuring reliable and precise signal processing. Designed for remote operation, it communicates seamlessly with the central unit 07 KT 94-S via the CS31 system bus, with isolation between the system bus and module circuitry to enhance safety and reduce interference.

Key Features

Safety-Rated Design: Meets safety requirements up to DIN V 19250 Classes 1–4 for critical automation systems.
Analog Inputs: 4 channels supporting 4–20 mA input signals.
Electrical Isolation: Complete isolation between process inputs and the CS31 system bus for enhanced reliability.
Error Indication: LED-based error diagnostics for “Underflow” (<3.6 mA) and “Overflow” (>20.4 mA).
Robust Build: Engineered to withstand harsh industrial environments with reinforced insulation and robust error handling.

Technical Specifications

Power and Voltage

Supply Voltage: 24 V DC ± 5% ripple
- Upper Limit: 28.8 V
- Lower Limit: 20.4 V
Buffered Voltage Interruption Time: >10 ms
Power Consumption: 150 mA at 24 V DC
Total Power Dissipation: Max 4 W

Input Channels

Input Current Range: 4–20 mA
Resolution: 12-bit (3.91 µA)
Input Resistance: 208.5 Ω
Accuracy: <1% full scale over the entire temperature range
Max Input Frequency: 20 Hz
Input Delay: 9 ms typical (monitored over 30 ms)

Safety and Isolation

Electrical Isolation: Reinforced, rated at 0–50 V (VDE 0160)
Test Voltage: 800 V DC

Diagnostics and Error Indication

LED Display: 8 yellow LEDs for rough analog value display (1 channel at a time)
Error LED: 1 red LED (ERR)

Physical Characteristics

Dimensions (W x H x D): 120 x 140 x 85 mm
Weight: 400 g
Cable Length (Shielded): Max 1000 m
Process Terminals: Max 1 x 2.5 mm² cross-section

Applications

The ABB 07 EA 90-S is ideal for use in safety-relevant industrial automation systems, including manufacturing, process control, and environments requiring compliance with stringent safety standards.

Ordering Information

Order Number: 07 EA 90-S (GJR5 2512 00 R0101)

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