Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F3221 |
| Spare Model | F 3221, 984322102 |
| Brand | HIMA |
| Product Type | Digital Input Module |
| Input Channels | 16 |
| Input Signal | 1-signal, 8 mA, including cable plug |
| Mechanical Contact Input | 24 V |
| Input Behavior | Non-interacting |
| Safety Isolation | Specified for input signals |
| Typical Switching Time | 10 ms |
| Space Requirement | 4 TE |
| Operating Current at 5 V DC | 70 mA |
| Operating Current at 24 V DC | 130 mA |
| Safety Certificate Reference | SN-Test-Certificate 12 D 2/H 19-66 R/82 |
| Weight | 0.1 kg |
| Estimated Shipping Dimensions | 2.5 x 12.7 x 20.3 cm |
| Manufacturer | HIMA |
Input Functions and Signal Handling
The F3221 monitors discrete signals from compatible sensors or mechanical contacts. Its 16 input channels allow multiple field signals to enter a safety-related control system through one module. The specified non-interacting behavior indicates that the input channels operate without the stated interaction between inputs; confirm the precise functional definition against the applicable HIMA documentation when designing the system.
The module supports two stated input arrangements: 1-signal inputs rated at 8 mA, including the cable plug, and mechanical contact inputs at 24 V. Verify the field-device output characteristics and wiring configuration before connecting sensors or contacts.
Electrical Requirements and Installation Space
The module draws 70 mA from the 5 V DC supply and 130 mA from the 24 V DC supply. These values are operating currents, not power ratings. The specified space requirement is 4 TE, which should be checked against the available mounting position and the applicable rack configuration.
The supplied certificate reference is 12 D 2/H 19-66 R/82. Retain this reference when checking the module’s safety documentation and confirming suitability for a particular system. Do not assume that the reference alone establishes a specific SIL rating or current certification status.
Frequently Asked Questions
Q: What input signals does the HIMA F3221 support?
A: The F3221 supports 1-signal inputs at 8 mA, including the cable plug, or mechanical contact inputs at 24 V. Check the sensor specifications and wiring requirements before selecting the input arrangement.
Q: What power supplies does the F3221 require?
A: The specified operating currents are 70 mA at 5 V DC and 130 mA at 24 V DC. Check both supply requirements against the system power budget.
Q: What does the 4 TE space requirement mean?
A: The module requires 4 TE of mounting space. Confirm the applicable rack or mounting arrangement before installation.
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