SIEMENS 6ES7321-1FHOO-4AA1
SIEMENS 6ES7331-1FHOO-4AA1 is a digital input module for Siemens S7-300 series PLC. It is mainly used to receive digital signals from external devices, such as switches, sensors, etc., and convert these signals into digital signals that can be recognized by the PLC for PLC processing and control.
Product parameters and specifications
Model: 6ES7321-1FHOO-4AA1
Type: Digital input module
Number of channels: 16 points
Input voltage: 24VDC
Logical type: Can be configured as NPN or PNP
Isolation: Channels are isolated from each other
Indicator: Each channel has a status indicator
Mounting method: DIN rail mounting
Main feature
High channel count: 16 independent digital input channels to receive multiple digital signals at the same time.
Flexible configuration: Can be configured as NPN or PNP to adapt to different sensor types.
Isolation design: Each channel is isolated from each other to improve the reliability of the system.
Indicator: allows the user to observe the input status.
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