SM321, Digital Input Module, DC 300 321-1BH02

Description The Siemens 6ES7 321-1BH02-0AA0 can be replaced by this item.SM321 with DI 16* 24V DC 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. Specifications Part Number 300 321-1BH02 Number of Inputs 16 Input Voltage 24V DC For "0" Signal 0~5V For "1" Signal 15~30V Delay Time About 3ms Input Current for "1" Signal About 7mA Connection of 2-wire Initiator Max 1.5mA Cable Length 600m Unshielded 1000m Current Consumption (backplane bus) 10mA Power Loss (Rated Operation) 3.5W Isolation Optical isolation, 8 Dimension (W/D/H, mm) 40x125x120 Weight About 220g Front Connector 20-way