6ES7221-1BH32-0XB0 Siemens S7-1200 SM 1221 16 DI Module

6ES7221-1BH32-0XB0 Digital Input Module SM 1221 for SIMATIC S7-1200 – 16 DI, 24 V DC

Technical Specifications

• Brand: Siemens
• Model: 6ES7221-1BH32-0XB0
• Product Type: Digital input module
• Series: SIMATIC S7-1200
• Product Designation: SM 1221, DI 16x24 V DC
• Number of Digital Inputs: 16, in groups of 4
• Rated Supply Voltage: 24 V DC
• Permissible Range: 20.4 V to 28.8 V DC
• Input Current from Backplane Bus: 5 V DC, max. 130 mA
• Input Current per Channel: Max. 4 mA from load voltage L+
• Signal "0" Voltage: 5 V DC at 1 mA
• Signal "1" Voltage: 15 V DC at 2.5 mA
• Input Delay: 0.2 ms to 12.8 ms, selectable in groups of four
• Shielded Cable Length: Max. 500 m
• Unshielded Cable Length: Max. 300 m
• Power Loss: Typ. 2.5 W
• Potential Separation: Between channels, in groups of 4
• Degree of Protection: IP20
• Ambient Temperature During Operation: -20 °C to 60 °C
• Storage/Transport Temperature: -40 °C to 70 °C
• Relative Humidity: Max. 95 % at 25 °C, without condensation
• Dimensions (W x H x D): 45 mm x 100 mm x 75 mm
• Weight: Approx. 210 g

Approvals and Standards

• CE Mark: Yes
• CSA Approval: Yes
• UL Approval: Yes
• cULus: Yes
• FM Approval: Yes
• RCM (formerly C-TICK): Yes
• KC Approval: Yes
• Marine Approval: Yes

Installation Guide

• Power down the S7-1200 system before you mount the module.
• Snap the 6ES7221-1BH32-0XB0 onto the DIN rail beside the CPU.
• Connect the front connector and wire the 16 digital inputs.
• Choose sink or source wiring to match your field devices.
• Set the input delay in groups of four through the engineering software.
• Verify the diagnostic LED status after you restore power.

Package List

• 1 x 6ES7221-1BH32-0XB0 digital input module SM 1221

Shipping and Support

• Stock: We keep this item in stock for immediate order processing.
• Dispatch: We ship within 5 days after we confirm your order.
• Couriers: We use FedEx, UPS, and DHL for global delivery.
• Returns: We accept returns within 30 days of delivery.
• Condition: All units are brand new and original.

FAQ

• Q: What is the model number of this module?
  A: The model number is 6ES7221-1BH32-0XB0.
• Q: How many digital inputs does this module offer?
  A: It offers 16 digital inputs.
• Q: What is the rated supply voltage?
  A: The rated supply voltage is 24 V DC.
• Q: Does this module support sink and source wiring?
  A: Yes, it supports both sink and source wiring.
• Q: What is the maximum shielded cable length?
  A: The maximum shielded cable length is 500 m.
• Q: What is the operating temperature range?
  A: The operating temperature range is -20 °C to 60 °C.
• Q: How fast do you ship?
  A: We dispatch within 5 days using FedEx, UPS, or DHL.
• Q: Can I return the product?
  A: Yes, we accept returns within 30 days.

Contact Information

Inquiries: sales@nex-auto.com
Phone/WhatsApp: +86 153 9242 9628

Partner NexAuto Technology Limited: https://www.nex-auto.com/