| Product Type | S7-200 SMART Expansion Module |
| Product Model | 6ES7288-3AM06-0AA0 |
| Power Loss | Power loss, typical value 2 W |
| Product dimensions | 45 MM × 100 MM × 81 MM |
| Power Supply Voltage | Voltage type of power supply DC Rated value (DC) 24 V; -15 / +20 % Allowable range, lower limit (DC) 20.4 V Allowable range, upper limit (DC) 28.8 V |
| Weight | 173.4 g |
4-Channel Analog Input – Meets Basic Signal Acquisition Needs:Provides 4 independent analog input channels for monitoring temperature, pressure, flow, and other process variables in small to medium automation systems.
Supports Multiple Signal Types – Flexible Wiring:Each channel can be configured for ±10 V voltage input or 0/4–20 mA current input, compatible with most industrial sensors and transmitters.
12-Bit High Resolution – Accurate Data Conversion:Offers 12-bit resolution for current inputs and 11-bit + sign for voltage, ensuring precise analog-to-digital conversion for stable control.
Galvanic Isolation – Strong Noise Immunity:Features optical isolation between field inputs and CPU bus, effectively suppressing electrical noise and enhancing system reliability.
LED Indicators for Real-Time Status Monitoring:Equipped with RUN (green) and ERROR (red) LEDs for instant visual feedback on module operation and fault conditions.
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