6ES7321-1FH00-0AA0 Siemens Simatic S7-300 Digital I/O Module

Core parameters

Input points: 64 channels, divided into 4 groups of 16 channels per group. The channel density is relatively high among AC modules of the same series

Rated input voltage: Compatible with AC 120V / 230V, it can adapt to different national power supply standards without the need to replace modules

Signal threshold

Signal "0" : 0~50V AC (120V specification), 0~100V AC (230V specification)

Signal "1" : 70-150V AC (120V specification), 165-264V AC (230V specification)

Input delay: Default 12ms, which can be set to 25ms, 50ms, or 100ms through software, offering flexible and anti-interference capabilities

Isolation performance: Electrical isolation between groups (each group is also isolated from the backplane bus), with an isolation voltage of 250V AC to prevent signal crosstalk

Working environment: Working temperature 0~60℃, storage temperature -40 ~+70℃, suitable for industrial field environments

Power consumption and current: The typical power consumption is approximately 12W, and the maximum current of the backplane bus is 200mA (5V DC).

Function

Ultra-high channel density: 64-channel design, compared with 32-channel modules of the same series (such as 6ES7321-1FF10-0AA0), can reduce the number of racks occupied and lower system integration costs.

Multiple independent isolation groups: Four channels are isolated separately. When one group fails, it does not affect the others. At the same time, external communication interference is isolated to enhance the stability of signal acquisition.

Wide voltage and adjustable filtering: Compatible with dual AC voltages, suitable for cross-border projects; The 4-level delay is adjustable, which can specifically filter out electromagnetic interference generated by motors, frequency converters and other equipment.

Easy to maintain and integrate: Supports hot plugging (requires the S7-300 active bus module), and maintenance does not need to stop the machine. Automatically allocate addresses by slot without the need for additional programming Settings, simplifying debugging.

Application scenarios

Large-scale production line signal acquisition: such as automotive assembly and electronic component mass production lines, connecting a large number of AC signal sensors (such as AC proximity switches) and limit switches, monitoring the status of multi-station equipment.

High-voltage equipment cluster monitoring: Such as high-pressure pumps, fans, heaters and other AC 220V/110V equipment in chemical and metallurgical plants, centralized collection of their start-stop feedback and fault signals.

Large-scale building strong current system: It is used for lighting circuits, air conditioning units, elevator machine rooms and other strong current equipment in buildings such as shopping malls and airports, and uniformly collects the switch status and operation feedback.

Cross-regional large-scale projects: such as multinational factories and overseas infrastructure projects, due to compatibility with dual voltages, there is no need to select models separately by region, reducing the complexity of the supply chain and inventory pressure.

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