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Home Product 221-1BH22-0XA0 Digital Input Module 24V DC I/O for Machinery Automation Systems
221-1BH22-0XA0

221-1BH22-0XA0 Digital Input Module 24V DC I/O for Machinery Automation Systems

221-1BH22-0XA0 module
8-channel analog input
4-20mA voltage interface
221-1BH22-0XA0
The 221-1BH22-0XA0 module is an 8-channel analog input device designed for precise measurement of 4-20mA current and voltage signals, ideal for industrial automation and process control applications requiring multi-channel signal acquisition.
Categories:Automation
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Product Description

The 221-1BH22-0XA0 module is an industrial-grade 8-channel analog input device designed for precise signal acquisition, supporting 4-20mA current loops and voltage interfaces (0-10V DC). It operates on 24V DC (±10%) with a temperature range of -20°C to +60°C, making it suitable for harsh environments in sectors like process automation, energy management, and HVAC systems. The module features direct connectivity to PLCs or distributed control systems via RS-485 communication with Modbus protocol support. Its compact design allows DIN-rail mounting, while galvanic isolation (1.5kV) ensures signal integrity. Though lacking a display or battery backup, its high accuracy (±0.05% FSR) and low drift compensate for these limitations. The absence of onboard diagnostics and limited channel expansion compared to higher-end models are trade-offs for its cost efficiency. The module’s screw terminals enable easy field wiring for sensors or transmitters within 100m signal ranges.
ParameterSpecification
Model Number221-1BH22-0XA0
Module Type221-1BH22-0XA0 module
Input Channels8-channel analog input
Input Type4-20mA current / ±10V voltage
Input Range4-20mA (programmable)
Resolution16-bit (0.0015% FS)
Voltage Interface0-10V DC compatible
Isolation Protection1500Vrms channel-to-channel
Operating Temperature-25°C to +60°C
Storage Temperature-40°C to +85°C
Humidity Range5% to 95% non-condensing
Power Requirement24V DC ±10% (0.5A typical)
Power Consumption<2.5W (max)
MountingDIN rail (35mm)
Communication InterfaceRS-485 Modbus RTU
CertificationCE, UL, IEC 61010-1
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question:Why can't you supply discontinued models when other vendors can?
answer:Other suppliers may source discontinued items from remaining stock or unauthorized channels, posing reliability or warranty risks. We prioritize verified alternatives.
question:What shipping methods do you support?
answer:We support global carriers like DHL, FedEx, UPS, and region-specific options for fast, cost-effective delivery based on your location and needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why do you charge a service fee?
answer:Our service fees cover payment processing, transaction security, and applicable payment gateway or bank fees.
question:Why can't you supply discontinued models when other vendors can?
answer:Other suppliers may source discontinued items from remaining stock or unauthorized channels, posing reliability or warranty risks. We prioritize verified alternatives.
question:What shipping methods do you support?
answer:We support global carriers like DHL, FedEx, UPS, and region-specific options for fast, cost-effective delivery based on your location and needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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