{"product_id":"tk-idd321-honeywell-discrete-input-module","title":"TK-IDD321 | Honeywell | Discrete Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell TK-IDD321\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTK-IDD321\u003c\/strong\u003e Discrete Input Module, operates as a dedicated hardware component for sensing 24 VDC discrete field signals within Experion PKS C300 automation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTK-IDD321\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 kg (Shipping weight: 1.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard C300 \/ Experion I\/O module profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e6.1 W maximum power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e32 channels (16 points per common group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 31.2 VDC @ 60 deg C (all channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current (Min)\u003c\/td\u003e\n\u003ctd\u003e2.0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage (Max)\u003c\/td\u003e\n\u003ctd\u003e5.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e1.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current Peak\u003c\/td\u003e\n\u003ctd\u003e250 mA peak (decaying to less than 37% in 22 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eIEC 61131-2 Type 1+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Terminal Block\u003c\/td\u003e\n\u003ctd\u003eTC-TBCH 36-position terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eIn process automation networks, the module provides galvanic channel group isolation between incoming 24 VDC field contact circuits and the system backplane logic. The integrated filtering networks suppress high-frequency noise spikes and field switch contact chatter, maintaining signal integrity under noisy electrical conditions. Current-limiting circuitry on each input channel prevents internal card damage during continuous high-voltage input conditions, maintaining stable state detection across all 32 channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of switch contacts or proximity sensors can be interfaced with this input module?\u003c\/p\u003e\n\u003cp\u003eA: The module interface complies with IEC 61131-2 Type 1+ input characteristics, making it compatible with standard dry contacts, 2-wire solid-state sensors, and 3-wire PNP proximity switches operating at 24 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: Are individual channels isolated from one another?\u003c\/p\u003e\n\u003cp\u003eA: Channels are arranged into two groups of 16 points sharing a common return line per group, providing optical isolation between the field-side wiring group and the internal backplane system logic.\u003c\/p\u003e\n\u003cp\u003eQ: How is field wiring terminated to the module assembly?\u003c\/p\u003e\n\u003cp\u003eA: Field wiring connects directly via a removable 36-position TC-TBCH terminal block assembly, enabling module maintenance without disconnecting individual field wires.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module securely into its designated slot on the C300 I\/O carrier assembly inside an IP54-rated industrial enclosure.\u003c\/li\u003e\n\u003cli\u003eWire field signal lines to the 36-position TC-TBCH terminal block using stranded copper conductors compliant with local wire gauge standards.\u003c\/li\u003e\n\u003cli\u003eObserve polarity requirements for external 24 VDC sensor power supplies connected across the shared common points of each 16-channel group.\u003c\/li\u003e\n\u003cli\u003eGround all shielded input cables at a single entry point on the enclosure cabinet earth ground bus bar to avoid ground potential loops.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum separation of 50 mm between 24 VDC signal wiring and high-voltage AC power lines within the enclosure trunking.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53604397383989,"sku":"TK-IDD321","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/TK-IDD321.png?v=1789699966","url":"https:\/\/www.5gplc.com\/products\/tk-idd321-honeywell-discrete-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}