{"product_id":"analog-i-o-module-abb-1sap250100r0001-ax521-s500","title":"Analog I\/O Module | ABB 1SAP250100R0001 AX521 S500","description":"\u003ch2\u003eABB AX521 S500 Analog Input\/Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB AX521\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAX521\u003c\/strong\u003e Analog Input\/Output Module, operates as a dedicated hardware component for analog variable acquisition and signal generation within AC500 PLC networks. The hardware establishes concurrent processing for 4 analog inputs and 4 analog outputs, converting continuous physical signals into 12-bit binary logic registers to align field measurements with processor command sequences.\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\u003eAX521 (Part Number: 1SAP250100R0001)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.129 kg net (3 kg shipping weight configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e67.5 mm x 76 mm x 62 mm (W x H x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C (horizontal mounting), 0 to +40 deg C (vertical mounting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~0.15 A base current + external output load draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4 channels (individually configurable for U, I, or RTD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e4 channels (individually configurable for U or I)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e0 to 10 V, +\/-10 V, 0\/4 to 20 mA, Pt100, Pt1000, Ni1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e0 to 10 V, +\/-10 V, 0\/4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit including sign bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Time\u003c\/td\u003e\n\u003ctd\u003e2 ms cyclic loop (voltage\/current), 1 s cyclic loop (RTD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eVoltage: greater than 100 kOhm, Current: ~330 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Matrix\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between field loops and internal logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Protection\u003c\/td\u003e\n\u003ctd\u003eReverse polarity, reverse supply, short circuit, overvoltage to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC process supply (maximum 5 percent ripple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Network Integration Technical Attributes\u003c\/h3\u003e\n\u003cp\u003eThe architecture deploys an optimized I\/O density scaling framework that consolidates mixed-signal acquisition loops onto a singular terminal assembly. Field-side variable data moves across the integrated system backplane bus interface, matching firmware flash compatibility protocols to maintain sub-millisecond synchronization indexes under high data throughput.\u003c\/p\u003e\n\u003cp\u003eWhen routed into external Profinet or EtherNet\/IP deterministic networks via an AC500 bus coupler, the device updates its active peripheral registers within the standard bus cycle frame. An integrated hardware RC filter network provides a 100 us time constant to suppress industrial high-frequency line interference before the analog-to-digital matrix registers the conversion. The hardware assigns dedicated terminal paths for 2-wire transmitter circuits, while a 24 VDC process loop supply maintains potential stability, protected by an external 10 A fast-acting fuse.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the chosen mechanical mounting orientation alter the ambient thermal limitations of the module chassis?\u003c\/p\u003e\n\u003cp\u003eA: Horizontal placement on the TH35 DIN rail facilitates unhindered natural convection cooling up to +60 deg C. If you implement a vertical mounting array, the internal thermal path requires derating, capping the safe operating threshold at a maximum of +40 deg C.\u003c\/p\u003e\n\u003cp\u003eQ: Can the conversion speed of the temperature channels be synchronized with the 2 ms voltage input cycle?\u003c\/p\u003e\n\u003cp\u003eA: No, the hardware architecture uses a fixed internal multiplexer and filter circuit for RTD signals (Pt100\/Pt1000\/Ni1000), which dictates a constant 1 s conversion cycle that cannot be shortened via software configuration parameters.\u003c\/p\u003e\n\u003cp\u003eQ: What actions occur within the analog output circuits if the module loses its 24 VDC process supply?\u003c\/p\u003e\n\u003cp\u003eA: The loss of the 24 VDC process supply at the terminal interface immediately cuts power to the digital-to-analog converter matrices, driving all 4 analog output currents and voltages to a de-energized fail-safe zero state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Mounting Stability:\u003c\/strong\u003e Hook the module housing onto a standard TH35-15 or TH35-7.5 symmetric DIN rail, applying downward force until the physical slide lock snaps into position to eliminate axial displacement under field vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding Standards:\u003c\/strong\u003e Utilize low-capacitance twisted-pair shielded conductors for all analog loops. Terminate the shield mesh exclusively at the central functional earth terminal bar at the enclosure threshold; do not connect shields to module common pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection Requirements:\u003c\/strong\u003e Connect an external 10 A fast-acting fuse in series with the 24 VDC supply conductor leading into the main process power terminal to isolate internal circuits from catastrophic overcurrent failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Line Constraints:\u003c\/strong\u003e Keep the total continuous length of shielded analog signal cables under a maximum limit of 100 m, ensuring the wire cross-section stays greater than 0.14 mm squared to counter voltage drop anomalies.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44407184916579,"sku":"AX521 1SAP250100R0001","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/544_f4f85965-b797-4497-b707-ff831e22c68a.jpg?v=1785143861","url":"https:\/\/www.autocontrolglobal.com\/products\/analog-i-o-module-abb-1sap250100r0001-ax521-s500","provider":"AutoControl Global","version":"1.0","type":"link"}