16-axis motion controller CPU module for Mitsubishi MELSEC-Q series, adopting a dual-CPU architecture (sequential CPU + motion CPU for parallel processing). It connects to servo amplifiers via the SSCNET III/H high-speed servo network, designed specifically for complex motion control applications.
- 모델 코드 설명
| 코드 세그먼트 | 설명 |
| 큐 | MELSEC-Q Series PLC System |
| 172 | Series number for 16-axis motion controller |
| DS | Dual-CPU architecture (sequential + 운동) + SSCNET III/H interface |
| CPU | Central Processing Unit module |
- 주요 사양
| 목 | 세부 |
| 제어되는 축 | 최대 16 synchronous axes, 확장 가능 96 축 (with additional motion CPU modules) |
| Network Interface | SSCNET III/H (1 체계), high-speed real-time communication |
| CPU Architecture | Dual-core high-performance RISC CPU, parallel sequential and motion control |
| 프로그램 메모리 | 10 MB (motion program + user program) |
| 작업주기 | 기본 1 ms (조절할 수 있는) |
| 제어 모드 | 위치 / 속도 / 토크 제어, 전자 캠, electronic gear, linear / circular / helical / 3D spline interpolation, PTP control |
| I/O 인터페이스 | 8-point DC24V output (2A/포인트), 12 ms 응답 시간 |
| 전력 소비 | DC5V, 1.44에이 |
| 치수 | 120.5(시간)×27.4(여)×120.3(디)mm, weight 0.38kg |
| Controllable Modules | Q172DLX, Q172DEX and other motion control modules |
- Direct Replacement Solutions
- Upgrades within Mitsubishi (공식적으로 추천됨)
| 교체 모델 | 특징 | 애플리케이션 |
| Q172DSCPU | 원래 모델, replaces older models such as Q172CPUN / Q172HCPU | Maintenance of existing systems with minimal modifications |
| R16MTCPU (iQ‑R Series) | New‑generation 16‑axis motion controller, performance improved by 30%, compatible with all iQ‑R modules | Full system upgrade for higher performance and expandability |
| Q173DSCPU | 32‑axis version, otherwise same specifications as Q172DSCPU | Applications requiring up to 32 축 |
- Cross‑Brand Equivalent Replacements
| 상표 | 교체 모델 | 주요 매칭 포인트 |
| 지멘스 | SIMOTION D445‑2 DP/PN | 16‑axis motion control, 프로피버스 / 프로피넷, supports complex interpolation |
| 록웰 | 키네틱스 5500 + Logix5380 | 16‑axis synchronous control, 이더넷/IP, 통합 안전 기능 |
| 슈나이더 | 렉시움 62 + M340 PLC | 16‑axis motion control, CANopen / EtherCAT, 비용 효율적 |
- 일반적인 응용 분야
- High‑precision multi‑axis synchronization: Electronic processing equipment, semiconductor manufacturing, 인쇄 & 포장 기계
- Complex trajectory control: 로봇, CNC 공작기계, laser cutting / 용접 장비
- 고속 포지셔닝: Chip mounters, dispensers, precision assembly lines
- 전자 기어 / cam applications: 섬유기계, label printing machines, metal processing equipment
- Automated production lines requiring parallel logic and motion control
- 메모
- 시스템 호환성: Must be used with a Q‑series PLC CPU (예를 들어, Q03UDVCPU) to form a dual‑CPU system
- Servo Amplifier Matching: Only supports Mitsubishi servo amplifiers with SSCNET III/H interface (예를 들어, MR‑J4 series)
- 확장 제한: 맥스 16 servo amplifiers; add Q172DSCPU or upgrade to Q173DSCPU for more axes
- 프로그래밍 소프트웨어: GX 웍스2 / GX 웍스3, with dedicated motion control libraries
- 업그레이드 제안: When migrating to iQ‑R series (R16MTCPU), check program compatibility and hardware interface differences
Q172DSCPU ↔ R16MTCPU Core Comparison + 구성 가이드
- 주요 매개변수 비교
| 목 | Q172DSCPU | R16MTCPU |
| 시리즈 | Q Series Motion CPU | iQ‑R Series Motion CPU |
| Max Axes | 16 | 16 |
| Servo Network | SSCNET III/H | SSCNET III/H |
| Architecture | Dual CPU (sequential + 운동) | Single CPU integrating logic + 운동, 더 높은 성능 |
| 프로그램 용량 | 10MB | 32MB |
| 작업주기 | Standard 1ms | Standard 0.5ms, up to 0.2ms |
| 프로그래밍 소프트웨어 | GX 웍스2 / Works3 | GX 웍스3 |
| 백플레인 버스 | Q Bus | iQ‑R High‑Speed Bus |
| 호환성 | Q‑series base units / modules only | iQ‑R series base units / modules only |
| 포지셔닝 | Mature, 안정적인, spare‑part oriented | Latest generation, 고속 & 정도, 새로운 프로젝트에 선호 |
- System Configuration Recommendations
1) Legacy Equipment Maintenance / No Hardware Change → Q172DSCPU
기본 단위: Q35B / Q68B or other Q‑series bases
전원공급장치: Q61P / Q62P
Servo Match: MR‑J4‑WJ / JE‑C / J4‑B (SSCNET III/H)
애플리케이션: 직접 교체, repair, minor modification of existing Q‑series PLCs
2) New Equipment / System Upgrade → R16MTCPU
기본 단위: R38B / R64B
전원공급장치: R61P
CPU: R16MTCPU (integrated logic + 운동, no extra CPU needed)
Servo Match: MR‑J4A‑B / J5‑B series
애플리케이션: High‑speed synchronization, multi‑axis interpolation, 인쇄 / 포장 / 공작기계 / 로봇
- One‑Sentence Selection Guide
Keep cabinet, keep base, maintain old lines → use Q172DSCPU
New machines, faster & more stable, long‑term use → use R16MTCPU
접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지

















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