HIMA F3236 16-Fold Input Module – Safety Isolation & Self-Test

Description Product Overview The HIMA F3236 is a 16-fold input module for safety applications. It works with 1-signal sensors or mechanical contacts. The module provides safety isolation for each channel. It meets requirement class AK 1 to 6. The module runs automatic self-tests during operation. Consequently, you get high reliability without manual checks. Key Features 16 input channels for safety signals Safety isolation on every channel Requirement class AK 1 through 6 Full automatic self-test during operation Works with 6 mA current or 24 V mechanical contacts Typical switching time of only 8 ms Technical Specifications Parameter Value Brand HIMA Model F3236 Type 16-fold safety input module Number of inputs 16 channels Signal type 1-signal, 6 mA (with cable plug) Alternative input Mechanical contact, 24 V DC Switching time 8 ms (typical) Safety class AK 1 to 6 Isolation Safety isolation per channel Space requirement 4 TE Operating voltage 5V DC 120 mA Operating voltage 24V DC 200 mA Self-test features Cross-talking with walking-zero Self-test features Filter capacitor check Self-test features Full module function test Automatic Self-Test Functions Cross-talking test using walking-zero pattern Filter capacitor function verification Complete module function validation Tests run automatically without stopping operations No need for external test equipment Installation Guide Fits 4 TE wide rack slot Insert module into compatible HIMA backplane Connect sensors to any of the 16 input channels Use shielded cables for noisy environments No special tools required for mounting Allow space for wiring access Commissioning & Maintenance Module self-tests start automatically on power-up LED indicators show channel status No routine calibration needed Walking-zero test runs continuously Replace module if self-test fails repeatedly Firmware updates not applicable for this model Compatibility Notes Works with all HIMA safety systems AK1 to AK6 Compatible with 6 mA current sourcing sensors Also works with standard 24 V DC mechanical contacts For reference, check similar modules like Versamax for other applications Not compatible with analog signals or thermocouples Typical Applications Emergency stop monitoring in factories Safety door position detection Light curtain signal collection Pressure switch monitoring in process plants Temperature switch inputs for burners Frequently Asked Questions (FAQ) What does AK 1 to 6 mean? AK stands for requirement class in safety standards. AK1 is lowest safety level. AK6 is highest safety level for this module. Can I mix 6 mA and 24 V inputs on the same module? Yes, you can. Each channel works independently. However, all channels share the same return path. How do I know if the self-test finds a fault? The module sets a system fault flag. HIMA CPU reads this flag. Then the system goes to safe state. What is walking-zero test? Walking-zero sends a zero signal to each input one by one. This test checks for cross-talk between channels. Consequently, it verifies isolation integrity. My module fails self-test occasionally. What should I do? First, check your power supply voltages. Then verify all field wiring. If problem persists, replace the module. Experience-based tip: Always use separate shielded cables for each group of 8 inputs. This reduces cross-talk in noisy environments. For very high noise areas, use optical isolation externally. Which shipping method do you recommend? We ship via FedEx, UPS, or DHL. All methods include tracking. Delivery takes 3 to 7 business days worldwide. What warranty do you provide? We offer 12-month warranty against defects. This covers manufacturing faults only. It does not cover damage from wrong wiring or overvoltage. Can I use this module with non-HIMA systems? No, you cannot. This module requires a HIMA backplane and HIMA CPU for safety functions. Packing List One HIMA F3236 input module No cables or connectors included No documentation included (digital download available) Contact & Support For inquiries: 86 158 8020 0923 (WhatsApp) Copyright © 2026 PLCDCS HUB Limited. All rights reserved. Original Source: https://plcdcshub.com/ Partner: Powergear X Automation Limited Partner: Oiltech Controls Limited