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| Part of Model | Description |
| AJ65 | CC-Link network module identifier, for MELSEC-A/Q/L series PLC |
| S | Small size module |
| BT | CC-Link dedicated cable connection (twisted pair) |
| B1 | 1-line terminal block connection |
| 16 | 16 I/O points |
| D | DC24V digital input module (T = output, DT = mixed I/O) |
Full Product Name: Mitsubishi MELSEC-A series CC-Link compact remote I/O module, 16-point DC24V digital input, 1-line terminal block type
- Key Specifications
Basic Information
シリーズ: AJ65SBTB1 series CC-Link remote I/O module
タイプ: Digital input module only
通信プロトコル: CC-Link (Version 1.10)
Station Occupancy: 1 CC-Link station
端子の種類: Screw clamp terminal block (M3 screw)
Wiring: 1-line, 16 points / common terminal
Input Specifications
| Item | Specification |
| Input Points | 16 points |
| Input Type | DC24V, common positive/negative (sink/source compatible) |
| Rated Input Voltage | DC24V (ripple ≤5%) |
| Rated Input Current | 約. 7ミリアンペア |
| 電圧範囲 | 19.2~28.8VDC |
| 応答時間 | ≤1.5ms |
| Insulation | Optocoupler isolation (input – internal circuit) |
| External Connection | 1-line terminal block, 16 points share 1 common |
電気 & 身体的特徴
Supply Voltage: DC24V (module power), max. 100ミリアンペア
Power Consumption: 約. 2.4W
寸法: 50(W)×118(H)×40(D)mm
重さ: 約. 0.18kg
Operating Temp: 0~55°C (non-condensing)
Storage Temp: -20~70°C
保護等級: IP20 (when installed in control cabinet)
- Applications
- 産業オートメーション: Remote I/O expansion for Q/L/A series PLCs, field digital signal acquisition
- Production Line Monitoring: Connect 24VDC sensors (photoelectric, proximity, 等) for status monitoring
- Process Control: Distributed signal acquisition in chemical, pharmaceutical, food processing, 等.
- Factory Automation Network: Remote station on CC-Link for high-speed data transmission and real-time control
- Equipment Retrofit: Add digital acquisition to legacy machines to improve automation
Recommended Applications:
NPN and PNP sensor compatibility required
Space-limited control cabinets (compact design)
General industrial control requiring fast response (1.5MS)
Applications needing simplified wiring (1-line connection)
- Replacement & Upgrade Models
Same-Series Direct Replacements
- AJ65SBTB1-16D1: High-speed response type, response time 0.2ms, input current 5mA, otherwise compatible
- AJ65SBTB3-16D: Standard response, slightly different terminal design, functionally compatible
Upgrade Models
- AJ65SBTB2N-16D: New-generation CC-Link module, higher speed, improved noise immunity
- QJ61BT11N: Q-series CC-Link master module for use with remote I/O, advanced network management
Cross-Series Replacements
- L65CCL-R: L-series CC-Link remote I/O module for L-series PLC systems
- FX5-CCL: FX5U series CC-Link module for small PLC system upgrades
- Additional Information
Equivalent Model: AJ65SBTB116D (without hyphen)
Approvals: CE, UL, CSA certified
Mounting: DIN rail or direct screw mounting
Common Confusion: Distinguish from AJ65SBTB1-16DT (8DI/8DO mixed) and AJ65SBTB1-16T (16-point output)
The AJ65SBTB1-16D is a classic Mitsubishi CC-Link remote digital input module, widely used in industrial automation for its compact size, flexible wiring, and reliability. For higher-speed applications, upgrade to AJ65SBTB1-16D1.
Complete List of Replacements for AJ65SBTB1-16D
Below is a full range of replacements for the Mitsubishi AJ65SBTB1-16D (16-point DC24V CC-Link remote digital input module), grouped by type with key differences and applications.
- Direct Same-Series Replacements (Fully Compatible)
| Replacement Model | Key Differences | Advantage | Application |
| AJ65SBTB1-16D1 | Response: 0.2MS (orig. 1.5MS) | Higher speed for high-speed signal capture | High-speed lines, precision inspection |
| Input current: 5ミリアンペア (orig. 7ミリアンペア) | |||
| AJ65SBTB1-16D-C | Conformal coating applied | Moisture & corrosion resistance | Harsh environments: chemical, metallurgy, outdoor cabinets |
| AJ65SBTB3-16D | Improved terminal block design | Easier wiring & maintenance | Frequent wiring/maintenance |
| AJ65SBTB1-16D (no hyphen) | Labeling only, identical function | Direct OEM equivalent | Direct replacement when original is out of stock |
- Same-Series Performance Upgrades
| Upgrade Model | Key Improvements | 価値 | Application |
| AJ65SBTB2N-16D | 1. CC-Link Ver.2.0 | Better network performance for modern factories | FA network upgrades, new projects |
| 2. Up to 10Mbps | |||
| 3. Better noise immunity | |||
| 4. Enhanced diagnostics | |||
| AJ65SBTB2N-16D1 | High response + Ver.2.0 network | High speed + high performance | High-speed control with large data |
- Cross-Series Replacements (System Migration)
- Q/L Series (A → Q/L Upgrade)
| Replacement Model | Compatible PLC | Function Match | Migration Advice |
| QJ61BT11N + QX40 | Q-series PLC | CC-Link master + 16-point input | Full A-Q system upgrade |
| LJ61BT11 + LX40 | L-series PLC | CC-Link master + 16-point input | Mid/small systems, 費用対効果の高い |
- Small PLC Systems (A → FX5U)
| Replacement Model | Compatible PLC | Function Match | Migration Advice |
| FX5-CCL + FX5-16ET/ES | FX5U series | CC-Link module + 16-point input | Compact retrofits, コスト削減 |
- Mixed I/O Expansion Models
| モデル | I/O構成 | 特徴 | Application |
| AJ65SBTB1-16DT | 8から + 8する (transistor output) | Mixed I/O, fewer modules | Small equipment, balanced I/O |
| AJ65SBTB1-16DT1 | 8から + 8する (high-speed) | Mixed + fast response | High-speed mixed control |
| AJ65SBTB2N-16DT | 8から + 8する (Ver.2.0) | Mixed + high-performance network | Modern mixed I/O projects |
- Selection Guide
| Requirement | Recommended Model | Reason |
| Direct drop-in replacement | AJ65SBTB1-16D1 / AJ65SBTB3-16D | 完全な互換性, minor performance boost |
| Harsh environment | AJ65SBTB1-16D-C | Conformal coating |
| Better network performance | AJ65SBTB2N-16D | CC-Link Ver.2.0, higher speed |
| Full system upgrade | QJ61BT11N+QX40 / LJ61BT11+LX40 | For latest PLC platforms |
| Compact / cost-down | FX5-CCL+FX5-16ET/ES | Small systems, budget-friendly |
| Mixed I/O needed | AJ65SBTB1-16DT / AJ65SBTB2N-16DT | Fewer modules, simplified system |
- Verify master module compatibility before replacement, especially CC-Link version (Ver.1.10 / Ver.2.0)
- AJ65SBTB2N series requires a Ver.2.0-capable master station
- Cross-series replacement may require PLC program and network reconfiguration
- Special versions (例えば, -C conformal coating) may have longer lead times
