제품개요
Schneider SR2A201BD is a compact smart relay (programmable logic controller) from the Zelio Logic SR2 series, used for the management, remote control, and monitoring of simple automation systems. It is an upgraded replacement for the SR1‑A201BD, offering enhanced functions. Suitable for industrial and commercial applications, it is an ideal alternative to traditional relay logic control and dedicated control cards.
- 핵심 매개변수 요약
| 매개변수 카테고리 | 상세사양 |
| Basic Info | • Type: Compact smart relay |
| • Series: Zelio Logic SR2 | |
| • Model: SR2A201BD | |
| • Supply voltage: 24 VDC | |
| • Display: With LCD (no clock function) | |
| • Programming software: Zelio Soft 2 | |
| I/O Configuration | • Total I/O points: 20 |
| • Digital inputs: 12 (EN/IEC 61131‑2 type 1) | |
| • Analog inputs: 2 (universal type) | |
| • Digital outputs: 8 (relay output) | |
| • Output form: 4 changeover contacts (4PDT‑NO, NC) | |
| 전기적 특성 | • Input current: 최대. 4 엄마 |
| • Counting frequency: 1 kHz (discrete inputs) | |
| • Relay output rating: ≥10 mA @ 12V; 1.5에이 (CA‑12), 0.9에이 (CA‑15) at 230V rated | |
| • Mechanical life: 10,000,000 사이클 (relay output) | |
| • Electrical life: 500,000 사이클 | |
| • Power consumption: 6 여 (without extension modules) | |
| • Reverse polarity protection: 예 | |
| 성능 | • Program capacity: Ladder ≤120 lines, FBD ≤200 lines |
| • Cycle time: 6–90 ms | |
| • Backup time: 10 연령 (at 25°C) | |
| • Clock drift: 6 s/month (25℃), 12 min/year (0–55°C) | |
| • Impulse withstand voltage: 4 kV (EN/IEC 60947‑1) | |
| Ambient Conditions | • 작동 온도: -20°C ~ 55°C |
| • Protection rating: IP20 (앞쪽) | |
| • 장착: DIN 레일 |
- 치수 & Physical Features
치수: Standard DIN‑rail mount, 폭 대략. 70 mm, height approx. 90 mm, depth approx. 60 mm (subject to official data)
무게: 대략. 0.38 kg
터미널: Screw‑clamp terminals, reliable connection, easy maintenance
Mounting recommendation: 15 mm standard galvanized steel DIN rail (예를 들어, Schneider AM1DE200)
- 대사 & 호환성
- 직접 교체: SR1‑A201BD (단종)
- Same‑series replacements / upgrades:
SR2A201FU: 24VDC, 20입출력, with display, no clock (functionally identical, minor differences possible)
SR2A201E: 24VDC, 20입출력, no display, no clock
SR2B201BD: 24VDC, 20입출력, with display, with real‑time clock
- Cross‑series compatibility: Can be used with SR3 series extension modules to expand I/O and functions.
- Recommended Accessories
| Accessory Type | 모델 | 설명 |
| Programming cable | SR2‑USB01 | USB programming cable (3 중), connects PC to smart relay |
| Programming software | Zelio Soft 2 | Official software, supports Ladder (LD) and FBD |
| Extension modules | SR3XT series | Expand I/O: 디지털, 비슷한 물건, communication |
| Mounting accessory | 15 mm DIN 레일 | Standard mounting rail, Schneider AM1DE200 recommended |
| 보호 | Dust cover | Protects front interface and display |
- 응용
산업 자동화: Small production lines, 자재 취급, 포장 기계
Commercial buildings: Lighting control, HVAC control, access control
하부 구조: Pump control, compressor management, wastewater treatment
기타: 자동 판매기, lift control, agricultural automation
- 프로그램 작성 & 문제 해결
Programming Features
Supports Ladder Diagram (LD) and Function Block Diagram (FBD) per IEC 61131‑3
Built‑in EEPROM: program and data retained for 10 years after power loss
Program memory self‑test on power‑up
Common Faults
- Power fault: Check 24VDC supply and polarity (reverse protected)
- Input not responding: Verify signal type/voltage, check wiring
- Output not operating: Check load within rating, inspect output contacts
- Program lost: Reload via Zelio Soft 2, check backup battery (if fitted)
- Display abnormal: Power cycle, check ambient temperature
- 선택 참고 사항
- Confirm supply voltage 24VDC matches field power
- 입출력: 12 inputs / 8 outputs (including 2 비슷한 물건)
- 출력 유형: Relay output suitable for AC/DC loads; observe current limits
- Display: LCD aids on‑site commissioning and diagnostics
- Clock: No clock on this model; choose SR2B201BD for timing functions
Complete Guide to Schneider SR2A201BD Replacements
- Core Replacement Overview
Schneider SR2A201BD is a compact Zelio Logic SR2 smart relay. Below is a complete list of replacements sorted by type and functional differences for quick selection.
- Detailed Replacement List
- 직접 교체 (Identical Function)
| 모델 | Core Specs | Difference from SR2A201BD |
| SR2A201FU | 24VDC, 20입출력 (12DI+2AI+8RO), LCD, no clock | Fully interchangeable, only batch/process differences |
| SR1‑A201BD | 24VDC, 20입출력, with display, no clock | Predecessor, 단종; SR2A201BD is official upgrade |
- Same‑Series Functional Replacements
| 모델 | Core Specs | 애플리케이션 |
| SR2B201BD | 24VDC, 20입출력, LCD, with RTC | For timing / 시간 제어 |
| SR2D201BD | 24VDC, 20입출력, no LCD, no clock | Cost‑optimized, no local display |
| SR2E201BD | 24VDC, 20입출력 (12DI+6AI+8RO), LCD, no clock | For more analog inputs (6 일체 포함) |
| SR2A201E | 24VDC, 20입출력, no display, no clock | Basic low‑cost version |
- 전압 / Output Type Replacements
| 모델 | Core Specs | 애플리케이션 |
| SR2A201BD‑AC | 100–240VAC, 20입출력, display, no clock | For AC mains supply |
| SR2A201BD‑DO | 24VDC, 20입출력 (12DI+2AI+8DO transistor) | For DC loads, higher switching frequency |
- Upgrade Replacements (확장된 기능)
| 모델 | 시리즈 | Key Improvements | 애플리케이션 |
| SR3B261BD | SR3 (modular) | 26I/O base, expandable to 40I/O, clock + display | For expansion, communication, more I/O |
| SR3XT series | SR3 | Extensions for SR2A201BD: 입출력 & communication | Upgrade existing system without replacing main unit |
- Replacement Selection Guide
| Requirement | 추천 모델 | Key Reason |
| Identical function | SR2A201FU | 100% 호환 가능 |
| Real‑time clock | SR2B201BD | Built‑in RTC |
| No local display | SR2D201BD | Lower cost |
| More analog inputs | SR2E201BD | 6 AI instead of 2 |
| AC supply | SR2A201BD‑AC | Matches mains voltage |
| High‑speed DC output | SR2A201BD‑DO | Transistor output |
| System expansion | SR3B261BD | Modular, expandable I/O & comms |
| Legacy system repair | SR1‑A201BD | For old discontinued SR1 units |
- 교체 노트
- 소프트웨어 호환성: All SR2 models work with Zelio Soft 2; programs portable
- Mounting compatibility: Standard DIN‑rail, same dimensions (~70×90×60 mm)
- Wiring compatibility: Identical terminal layout, no rewiring needed
- Function check: Clock, display, analog input count must match application
- Spare parts: Prefer SR2A201FU / SR2B201BD for long‑term availability
Schneider SR2A201BD Programming Software
The official programming software for Schneider SR2A201BD is Zelio Soft 2 (latest version: v5.4.2.2). It is a free configuration and programming tool developed by Schneider Electric for Zelio Logic smart relays (SR2 and SR3 series), used for managing, 모니터링, and controlling simple automation systems.
- Core Software Information
| 목 | 세부 |
| Software | Zelio Soft 2 (Zelio2) |
| 최신 버전 | v5.4.2.2 (updated July 2022) |
| Developer | 슈나이더 일렉트릭 |
| 유형 | Freeware |
| OS | Windows XP/Vista/7/8/10/11 (32/64‑bit) |
| Project file | .zm2 |
| Cable | Dedicated USB cable: SR2‑USB01 (3 중) |
- 주요 특징
- Multi‑language programming
Supports Ladder (LD) and FBD (IEC 61131‑3)
Built‑in function library: logic, timers, counters, comparators, math
- Debug & simulation
Offline simulation without hardware
Online monitoring of I/O, variables, and execution
Breakpoint debugging
- Project management
Upload / download programs
Data backup; EEPROM retention 10 연령
Auto‑generated documentation
- Diagnostics
입출력, program, and communication fault detection
Status, error codes, event logs
- 호환성 & 사용법 참고 사항
- Series compatibility
Full support for SR2 series (SR2A201BD, SR2B201BD, SR2D201BD, 등.) and SR3 modular smart relays
Imports and converts SR1 series (예를 들어, SR1‑A201BD) programs
- Connection requirements
Use only SR2‑USB01; standard USB cables not supported
Install driver (included in setup)
Unit must be powered (24VDC) for programming
- 제한사항
No SFC (Sequential Function Chart) support
Program limits: Ladder ≤120 lines, FBD ≤200 lines
No serial link to HMI (예를 들어, Magelis/Harmony)
- 설치 단계
- Disable antivirus/firewall temporarily
- Run installer and follow wizard
- Connect SR2‑USB01 and install driver
- Launch software, create or open project
- 대안 & 업그레이드
| 애플리케이션 | 추천 | 메모 |
| Temporary programming | Zelio Soft 2 online trial | Limited functions |
| System upgrade | SR3 series + Zelio Soft 2 | More I/O, communication, SFC |
| Advanced applications | EcoStruxure Machine Expert | Latest Schneider software suite |
Complete Model Guide for Schneider Zelio Logic SR2 Series
The Schneider Zelio Logic SR2 series is a product line of compact smart relays, designed specifically for simple automation systems. It offers three fixed I/O configurations: 10/12/20 전철기, with various combinations of power supply, display, clock, and analog inputs to meet different application requirements. Below is a detailed list of all series models classified by function:
- Model Naming Rules (Quick Identification)
SR2 [기능 코드] [I/O Points] [Voltage Code]
기능 코드:
에이: With LCD display, no clock
비: With LCD display, with real-time clock
디: No LCD display, no clock
E: With LCD display, more analog inputs, no clock
I/O Points: 10, 12, 20
Voltage Code:
BD: 24 VDC
FU: 100–240 VAC
JD: 12 VDC
- Complete Model List for SR2 Series (Classified by I/O Points)
- 10 I/O Points Models (6DI + 4RO, no analog input)
| 모델 | Supply Voltage | Display | Clock | 주요 특징 | 일반적인 응용 분야 |
| SR2A101BD | 24 VDC | 예 | 아니요 | Basic type, with display for easy debugging | Simple control, on-site status monitoring |
| SR2A101FU | 100–240 VAC | 예 | 아니요 | AC supply version, with display | Commercial buildings, AC-powered environments |
| SR2A101JD | 12 VDC | 예 | 아니요 | Low-voltage version, with display | Vehicle/mobile equipment, 12V supply |
| SR2B101BD | 24 VDC | 예 | 예 | With real-time clock, 시간 제어 | Simple systems requiring time control |
| SR2B101FU | 100–240 VAC | 예 | 예 | 교류 + clock + display | Commercial time control (예를 들어, 조명) |
| SR2B101JD | 12 VDC | 예 | 예 | 12다섯 + clock + display | Time control for mobile devices |
| SR2D101BD | 24 VDC | 아니요 | 아니요 | Cost-optimized, no display | Fixed programs, no on-site debugging |
| SR2D101FU | 100–240 VAC | 아니요 | 아니요 | 교류 + no display | Low-cost mass applications |
| SR2D101JD | 12 VDC | 아니요 | 아니요 | 12다섯 + no display | Low-power simple control |
- 12 I/O Points Models (8DI + 4RO, basic version with 2AI)
| 모델 | Supply Voltage | Display | Clock | Analog Inputs | 주요 특징 | 일반적인 응용 분야 |
| SR2A121BD | 24 VDC | 예 | 아니요 | 2 | Standard 12-point, with display | 작은 & medium equipment control |
| SR2A121FU | 100–240 VAC | 예 | 아니요 | 2 | Standard AC version | Commercial automation |
| SR2A121JD | 12 VDC | 예 | 아니요 | 2 | Standard 12V version | Mobile equipment control |
| SR2B121BD | 24 VDC | 예 | 예 | 2 | With clock, 2 일체 포함 | Timing & analog monitoring |
| SR2B121FU | 100–240 VAC | 예 | 예 | 2 | 교류 + clock + 2 일체 포함 | Basic HVAC control |
| SR2B121JD | 12 VDC | 예 | 예 | 2 | 12다섯 + clock + 2 일체 포함 | Vehicle temperature control |
| SR2D121BD | 24 VDC | 아니요 | 아니요 | 2 | No display, 2 일체 포함 | Fixed programs + 아날로그 입력 |
| SR2D121FU | 100–240 VAC | 아니요 | 아니요 | 2 | 교류 + no display + 2 일체 포함 | Mass production equipment |
| SR2E121BD | 24 VDC | 예 | 아니요 | 4 | Upgraded to 4 일체 포함 | Applications needing more analog detection |
| SR2E121FU | 100–240 VAC | 예 | 아니요 | 4 | 교류 + 4 일체 포함 | Environmental monitoring systems |
- 20 I/O Points Models (12DI + 8RO, standard version with 2AI)
| 모델 | Supply Voltage | Display | Clock | Analog Inputs | 주요 특징 | 일반적인 응용 분야 |
| SR2A201BD | 24 VDC | 예 | 아니요 | 2 | Standard 20-point, with display | 생산 라인 제어, 자재 취급 |
| SR2A201FU | 100–240 VAC | 예 | 아니요 | 2 | Standard AC version | Complex control in commercial buildings |
| SR2A201JD | 12 VDC | 예 | 아니요 | 2 | Standard 12V version | Large mobile equipment |
| SR2B201BD | 24 VDC | 예 | 예 | 2 | With clock, 2 일체 포함 | Complex control with timing functions |
| SR2B201FU | 100–240 VAC | 예 | 예 | 2 | 교류 + clock + 2 일체 포함 | Advanced HVAC control |
| SR2B201JD | 12 VDC | 예 | 예 | 2 | 12다섯 + clock + 2 일체 포함 | Special vehicle control |
| SR2D201BD | 24 VDC | 아니요 | 아니요 | 2 | No display, 2 일체 포함 | Complex systems with fixed programs |
| SR2D201FU | 100–240 VAC | 아니요 | 아니요 | 2 | 교류 + no display + 2 일체 포함 | Mass production lines |
| SR2E201BD | 24 VDC | 예 | 아니요 | 6 | Upgraded to 6 일체 포함 | Process control, multi-parameter monitoring |
| SR2E201FU | 100–240 VAC | 예 | 아니요 | 6 | 교류 + 6 일체 포함 | Environmental monitoring centers |
- 특수 모델 & 부속품
- Special Output Type Models
SR2A201BD-DO: 24 VDC, 20 입출력, with display, no clock, 8 transistor outputs (instead of relay), suitable for high-speed DC loads
SR2B121BD-DO: 24 VDC, 12 입출력, with display and clock, 4 transistor outputs
- Extension Module Compatibility
All SR2 series models can work with SR3XT series extension modules to expand I/O points and functions:
SR3XT02BD: 2 digital input extension
SR3XT04BD: 4 digital output extension (계전기)
SR3XT02AI: 2 analog input extension
SR3XT01AO: 1 analog output extension
SR3XTCOM: Communication extension module (supports Modbus RTU)
- 프로그램 작성 & Mounting Accessories
| Accessory Model | 설명 |
| SR2-USB01 | Dedicated USB programming cable (3중), connects PC to SR2 smart relay |
| Zelio Soft 2 | Official programming software (latest v5.4.2.2), supports LD and FBD programming |
| AM1DE200 | 15 mm standard DIN rail for SR2 series mounting |
| SR2PACK | Programming software + USB cable kit, ideal for new users |
- Selection Quick Reference
| Requirement | Recommended Model Series | Key Selection Factors |
| Minimal system (10 입출력) | SR2A101xx / SR2B101xx | Power type, clock/display needed |
| Standard system (12 입출력) | SR2A121xx / SR2B121xx | Analog input requirement (2/4 채널) |
| Complex system (20 입출력) | SR2A201xx / SR2B201xx | 아날로그 입력 (2/6 채널), output type |
| Timing control | SR2Bxxx series | Must have real-time clock |
| No on-site debugging | SR2Dxxx series | No display, 저렴한 비용 |
| Multi-analog detection | SR2Exxx series | 4 (12 입출력) 또는 6 (20 입출력) 일체 포함 |
| High-speed DC output | SR2xxx-DO series | Transistor output instead of relay |
| AC power supply | SR2xxxFU series | Universal 100–240 VAC |
| Low-voltage supply | SR2xxxJD series | 12 VDC, suitable for mobile devices |
All SR2 series models are compatible with Zelio Soft 2 programming software. Programs can be directly ported between different models in the same series. Mounting dimensions are uniform (대략. 70×90×60 mm), facilitating system upgrade and maintenance.
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