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| Product Type | S7-200 SMART Expansion Module |
| Product Model | 6ES7288-2DR32-0AA0 |
| Supply Voltage Type | DC |
| Product dimensions | 70 MM × 100 MM × 81 MM |
| Power Supply Voltage | Rated value (DC) 24 V Allowable range, lower limit (DC) 20.4 V Allowable range, upper limit (DC) 28.8 V |
| Weight | 295.4 g |
32-Channel Relay Outputs – High-Density I/O Expansion:Provides 32 independent digital output points in one module, ideal for systems requiring extensive control outputs.
Dry-Contact Relay Outputs – AC/DC Load Compatibility:Features potential-free contacts that can switch both AC (e.g., 220V AC) and DC (e.g., 24V DC) loads, offering maximum wiring flexibility.
High Drive Capacity – Up to 2A per Point:Each relay contact can handle up to 2A current, enabling direct control of contactors, solenoids, lamps, and small motors without additional relays.
Group-Based Optical Isolation – Strong Noise Immunity:Outputs are divided into 4 isolated groups (8 points each), with optical isolation between groups and from the CPU, reducing electrical interference.
Per-Channel LED Indicators – Clear Status Feedback:Each output has a green LED for real-time visual indication, facilitating commissioning, monitoring, and troubleshooting.


