{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7522-1BH01-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7522-1BH01-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7522-1BH01-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7522-1BH01-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 6ES7522-1BH01-0AB0 S7-1500 digital output module, DQ Yes, MSO Yes, 24 VDC, 2 W typ, SIL 2, 35 x 147 x 129 mm.","salesMarkdown":"## DQ and MSO in one slot The 6ES7522-1BH01-0AB0: This S7-1500 module serves dual duty as a standard digital output (DQ) and a motor starter output (MSO) — meaning a single slot handles both discrete valve/solenoid control and direct motor switching for small drives up to the MSO rating, without a separate contactor interface. Rated SIL 2 per IEC 62061, it fits into safety-related control circuits where the output must meet a quantified integrity level — the module itself carries the diagnostic coverage (wire-break and short-circuit detection are built in) to support the safety function without an external safety relay. ## Switching performance and diagnostics The output transitions from 0 to 1 in 100 µs max and from 1 to 0 in 500 µs max — fast enough for most discrete control loops but not for oversampling or PWM (neither is supported). Current-sourcing (PNP) topology with a minimum signal-1 voltage of L+ (-0.8 V) means the load sees nearly full rail voltage at the output; the module also reports wire-break and short-circuit conditions via diagnostic alarm and the red ERROR LED. Typical power loss is 2 W at 24 VDC — a modest thermal load for the enclosure, but the 35 mm width leaves room for adjacent modules without forced cooling in most cabinets. ## Lifecycle and firmware readiness Firmware version V1.1.0 is field-upgradable, and the module supports I&M data (I&M0 to I&M3) for asset tracking in larger plants. Hardware functional status from FS02 means the module meets the revision baseline for the S7-1500 system; prioritized startup and isochronous mode are both supported for time-critical applications.","metaTitle":"Siemens 6ES7522-1BH01-0AB0 Digital Output Module, DQ+MSO","metaDescription":"Siemens 6ES7522-1BH01-0AB0 digital output module for S7-1500. DQ and MSO capable, SIL 2 per IEC 62061, 24 VDC, 2 W typ. Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Digital Output Modules"],"specifications":{"DQ":"Yes","MSO":"Yes","PWM":"No","Depth":"129 mm","Width":"35 mm","title":"6ES7522-1BH01-0AB0","Height":"147 mm","RUN LED":"Yes; green LED","I&M data":"Yes; I&M0 to I&M3","ERROR LED":"Yes; red LED","MAINT LED":"Yes; Yellow LED","Wire-break":"Yes","Group error":"Yes","Lower Limit":"48 Ω","Upper Limit":"12 kΩ","description":"SIMATIC S7-1500, digital output module DQ16x24 V DC/0.5A HF; 16 channels in groups of 8; 4 A per group; single-channel diagnostics; substitute value: switching cycle counter for connected actuators. the module supports the safety-oriented shutdown of load groups up to SIL2 according to EN IEC 62061:2021 and Category 3 / PL d according to EN ISO 13849-1:2015. front connector (screw terminals or push-in) to be ordered separately","For Uprating":"No","Oversampling":"No","Short-circuit":"Yes","Shielded, Max.":"1 000 m","For Logic Links":"Yes","Weight, approx.":"230 g","lifecycle_stage":"current","\"0\" To \"1\", Max.":"100 µs","\"1\" To \"0\", Max.":"500 µs","Current-sourcing":"Yes","Diagnostic alarm":"Yes","Firmware version":"V1.1.0","Isochronous mode":"Yes","Power loss, typ.":"2 W","Rated value (DC)":"24 V","Unshielded, Max.":"600 m","FW update possible":"Yes","On Lamp Load, Max.":"10 Hz","Prioritized startup":"Yes","Between The Channels":"No","Diagnostics function":"Yes","For Signal \"1\", Min.":"L+ (-0.8 V)","HW functional status":"From FS02","Isolation tested with":"707 V DC (type test)","Maintenance interrupt":"Yes","SIL acc. to IEC 62061":"SIL 2","Channel status display":"Yes; green LED","For Module Diagnostics":"Yes; red LED","Type of digital output":"Transistor","Current per group, max.":"4 A; see additional description in the manual","For Channel Diagnostics":"Yes; red LED","Current per module, max.":"8 A; see additional description in the manual","Response threshold, typ.":"1 A","Short-circuit protection":"Yes; Clocked electronically","Current consumption, max.":"30 mA","Current per channel, max.":"0.5 A; see additional description in the manual","Number of digital outputs":"16","With Inductive Load, Max.":"0.5 Hz; According to IEC 60947-5-1, DC-13","With Resistive Load, Max.":"100 Hz","Bus cycle time (TDP), min.":"250 µs","For Signal \"1\" Rated Value":"0.5 A","Controlling a digital input":"Yes","Reverse polarity protection":"Yes; through internal protection with 7 A per group","Vertical Installation, Max.":"40 °C","Vertical Installation, Min.":"-30 °C; From FS03","Horizontal Installation, Max.":"60 °C","Horizontal Installation, Min.":"-30 °C; From FS03","Monitoring the supply voltage":"Yes","Substitute values connectable":"Yes","Suitable for safety functions":"No","DQ with energy-saving function":"No","For Redundant Control Of A Load":"Yes","Digital outputs, parameterizable":"Yes","Category according to ISO 13849-1":"Cat. 3","Between The Channels, In Groups Of":"8","Integrated operating cycle counter":"Yes","permissible range, lower limit (DC)":"19.2 V","permissible range, upper limit (DC)":"28.8 V","For Signal \"0\" Residual Current, Max.":"0.5 mA","Between The Channels And Backplane Bus":"Yes","For Signal \"1\" Permissible Range, Max.":"0.5 A","PROFIBUS from GSD version/GSD revision":"V1.0 / V5.1","PROFINET from GSD version/GSD revision":"V2.3 / -","Power available from the backplane bus":"1.1 W","Execution and activation time (TCO), min.":"70 µs","Monitoring of the supply voltage (PWR-LED)":"Yes; green LED","Performance level according to ISO 13849-1":"PL d","Installation altitude above sea level, max.":"5 000 m; Restrictions for installation altitudes > 2 000 m, see manual","Limitation of inductive shutdown voltage to":"L+ (-53 V)","STEP 7 configurable/integrated from version":"V5.5 SP3 / -","Cam control (switching at comparison values)":"No","STEP 7 TIA Portal configurable/integrated from version":"V13 SP1 / -","Suitable for safety-related tripping of standard modules":"Yes; From FS02"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$154.94","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/33d59faccae582981f30c1674ebb39e8.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=644989&mlfb=6ES7522-1BH01-0AB0"},"ai":{"faq":[{"question":"What does DQ and MSO mean on this module?","answer":"DQ means it functions as a standard digital output (24 VDC, current-sourcing). MSO means it can also serve as a motor starter output, directly switching small motors without an external contactor — both capabilities are enabled in the same hardware slot."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7522-1BH01-0AB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7522-1BH01-0AB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}