New SM321, Digital Input Module, AC 300 321-1FF01 can replace Siemens 6ES7  321-1FF01-0AA0

Description

All our Softlink 300 series digital input modules convert external power-level signals from processes into internal signals for programmable logic controllers. All the modules are compatible with Siemens S7-300 and VIPA 300V series, suitable for inputs from switches etc. The input modules provide galvanic isolation from CPU (of S7-300 or VIPA300V), and have LED indicators for every input channel. Specification: Part Number: 300 321-1FF01 For "0" Signal: 0 ~ 40V For "1" Signal: 79 ~ 264V Frequency: 47 ~ 63Hz Delay Time: About 25ms Input Current for "1" Signal: About 6.5mA (120V); 11mA (230V) Connection of 2-wire Initiator: Max 2mA Cable Length: 600m Unshielded: 1000m Current Consumption: 30mA Power Loss (Rated Operation): 4W Isolation: Optical isolation, 8 Dimension (W/D/H, mm): 40x125x120 Weight: About 240g Front Connector: 20-way