1. Basic Product Information
Order No.: 6ES7322-1FF01-0AA0
Product Name: SM 322 Digital Output Module, optically isolated
Applicable PLC: SIMATIC S7-300 / ET200M
Output Spec: 8 digital outputs (8 DO), 120/230 V AC, 1 A per channel
Front Connector: 1 × 20-pin front connector (required: 6ES7392-1AJ00-0AA0)
Country of Origin: Germany
Typical Application: Control AC solenoid valves, AC contactors, indicator lamps, small AC actuators
2. Electrical Specifications
Load Voltage (L1)
Rated voltage: 120 / 230 V AC, 50 / 60 Hz
Permissible range: 93 V AC ~ 264 V AC
Residual current (signal “0”): Max. 2 mA per channel
Minimum load current (signal “1”): 10 mA
Rated switching current per channel: 1 A
Permissible surge current: Max. 20 A (max. 1 AC cycle)
Short-circuit protection: Fuse 8 A / 250 V per group; min. 40 A trip current
