AAI135-H50/13S00

Overview

AAI135-H50/13S00 is an 8-channel isolated analog input module from Yokogawa, designed for 4–20 mA signal processing with HART communication. It offers high accuracy, stable performance, and secure isolation between channels and system.

Model and Suffix Codes

Model: AAI135 – Analog Input Module (4–20 mA, 8-channel, Isolated)
Suffix Codes:

• -H: With digital communication (HART protocol)

• 5: No explosion protection

• 0: Basic type

Option Code:

• /13S00: With pressure clamp terminal block for isolated analog (Model: ATI-00)

Input Specifications

• Channels: 8 isolated inputs

• Input Signal: 4–20 mA

• Allowable Input Current: Up to 25 mA

• Input Resistance (Power ON): 290–450 Ω

• Input Resistance (Power OFF): ≥500 kΩ

• Accuracy: ±16 µA

Electrical Isolation

• Input to System: 500 V AC for 1 min

• Channel to Channel: 500 V AC for 1 min

Performance

• Data Update Period: 10 ms

• Temperature Drift: ±16 µA / 10 °C

Power & Physical

• Transmitter Power Supply:

• ≥15.0 V (at 20 mA)

• ≤29.3 V (at 0 mA)

• Weight: 0.3 kg

---