I. Core Parameters (9760-210)

1) Basic Specifications

Model: 9760-210 (AI ETP, 4–20mA → 0–5VDC, 32 Points, 250Ω)

Signal Type: 4–20mA Current Input (Two-wire / Three-wire Transmitter)

Number of Channels: 32 Points / Board (Single block direct connection of 32 channels, no splicing required)

Sampling Resistance: 250Ω Precision Metal Film Resistor (4–20mA → 1–5VDC, Compatible with 0–5V AI Module)

Input Impedance: 250Ω (Fixed)

Isolation: ≥1500VAC Field - System Isolation, Channel-to-Channel Isolation

Accuracy: ±0.05% FS @ 25℃

Resolution: 16bit (Dependent on AI Module)

Diagnosis: Open Circuit / Short Circuit / Overrange Detection, TMR Triple Redundancy

Safety Level: SIL3 (IEC 61508)

Operating Voltage: Passive Terminal Board (No Power Supply Required)

Temperature: -40℃ ~ +70℃

Certification: CE, UL, CSA, ATEX/IECEx

Installation: 35mm DIN Rail

Compatible Modules: 3700A, 3701, 3704E, 3720 (Tricon 32-point Analog Input Module)

Connection Cable: Special Flat Cable (e.g. 7400213-100)

2) Panel and Indicator Lights

CH01–CH32 (Green): Channel Signal Normal (4–20mA Range)

FAULT (Red): Channel Fault (Open Circuit / Short Circuit / <4mA/〉20mA)

3) Comparison within the Same Series (9760 Family)

9760-210: 32 Points 4–20mA → 0–5V, 250Ω, Passive (Most Commonly Used)

9760-410: 32 Points 0–5V/0–10V Voltage Input, Active

9765-210: 32 Points Three-wire Current Input, With Cold Junction Compensation

II. Usage Instructions (Installation / Wiring / Maintenance)

1) Installation Configuration

32-point AI Module (3700A/3704E): 1 Module per 9760-210 (32-point Full Coverage)

Installation Location: Cabinet DIN Rail, Close to the Field Transmitter to Reduce Interference

Hot Swap: Supports Online Replacement without Affecting System Operation

2) Wiring Specifications (4–20mA Two-wire Transmitter)

Transmitter + → CHx+

Transmitter - → CHx-

24VDC + → Transmitter Power +

24VDC - → Transmitter Power - (Common Ground with CHx-)

Wire Diameter: 1.0–1.5mm² Shielded Twisted Pair, Single-ended Grounding of Shield Layer

Resistance Matching: Built-in 250Ω, No Additional Resistors Required

3) Fault Handling

FAULT Lights On: Open Circuit / Short Circuit / Overrange Detection → Check Transmitter Wiring, Power Supply, Range

CH Lights Not On: Check Flat Cable Connection, Module Configuration, 24VDC Power Supply

Signal Drift: Check Shielding Grounding, Cable Length, Terminal Tightening