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| Brand: | MITSUBISHI | Modenl Number: | AJ55TB2-16T |
|---|---|---|---|
| Country Of Origin: | Japan | Program Capacity: | 8 K Steps |
| Basic Operation Processing Speed (LD Instruction): | 0.12 μs | Input: | 100 To 240 V AC |
| Output: | 5 V DC/3 A | Type: | Redundant Power Supply Module |
| Highlight: | plc power supply module,diode redundancy module |
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AJ55TB2-16T Redundant Power Supply Module Mitsubishi Universal model
AJ55TB2-16T Overview
The AJ55TB2-16T is a 16-point transistor output module (sink-type/NPN) designed by Mitsubishi Electric for its MELSEC-I/O communication system. It functions as a remote I/O station within industrial automation networks, enabling high-speed control of actuators (e.g., solenoids, relays) by converting digital signals from a PLC into DC outputs. Designed for reliability and noise immunity, it simplifies wiring in distributed control systems and is widely used in manufacturing, packaging machinery, and process automation.
High Reliability and Fault Tolerance
Utilizes Mitsubishi's MELSEC-I/O bus topology, ensuring that the failure of one remote I/O group does not disrupt communication in other modules, enhancing system stability
.
Fast Response and Precision
Transistor-based sink-type outputs enable rapid switching, with response times optimized for high-speed automation tasks (e.g., conveyor control, robotic operations).
Robust Isolation and Noise Resistance
Features photocoupler isolation between communication, power, and output circuits, protecting against electrical noise and voltage surges in industrial environments.
Compact and Scalable Design
Occupies minimal space in control panels and supports seamless integration with CC-Link or MELSEC networks, allowing flexible system expansion.
Efficient Wiring
Uses terminal block connections (M3 screws) for secure and straightforward wiring, reducing installation time and maintenance efforts.
Material: Constructed with industrial-grade plastics and metal components, providing EMI shielding and mechanical durability. The internal circuitry includes photocouplers and transistor arrays for isolation and precision performance.
Primary Applications:
Factory Automation: Control of actuators in automotive assembly lines, packaging machines, and robotic systems.
Energy Management: Switching operations in power distribution units.
Process Control: Output signaling for chemical and pharmaceutical production equipment.
|
Parameter |
Specification |
|---|---|
| Output Type | Transistor, sink-type (NPN) |
| Number of Points | 16 points |
| Rated Load Voltage | DC 12–24 V |
| Max. Load Current | 0.5 A per point |
| Leakage Current (OFF) | ≤0.1 mA |
| Response Time | OFF→ON ≤0.5 ms; ON→OFF ≤1.5 ms (resistive load) |
| Isolation | Photocoupler isolation (between communication, power, and output circuits) |
| Power Supply | DC 20.4–26.4 V (via unit power) |
| External Connection | Terminal block (M3 screws) |
| Operating Temperature | 0–55°C |
| Weight | Approx. 0.3 kg (based on Mitsubishi's similar modules) |
| Dimensions (H × W × D) | 40 × 90 × 87 mm (standard for compact I/O modules) |
Data synthesized from Mitsubishi's MELSEC-I/O module specifications and industry standards.
|
Attribute |
Value |
|---|---|
|
For Use With |
MELSEC Q Series |
|
Number of I/O |
2048 |
|
Manufacturer Series |
MELSEC Q |
|
Input Type |
Analogue, Digital |
|
Voltage Category |
5 V dc |
|
Output Type |
Analogue, Digital |
|
Communication Port Type |
RS232C |
|
Program Capacity |
32 kB |
|
Programming Interface |
Computer, Operating Panel |
|
Length |
89.3mm |
|
Maximum Inputs/Outputs |
8192 |
|
Number of Communication Ports |
1 |
|
Width |
27.4mm |
|
Maximum Operating Temperature |
+55°C |
|
Dimensions |
89.3 x 27.4 x 98 mm |
|
Depth |
98mm |
|
Battery Backup |
Yes |
|
Minimum Operating Temperature |
0°C |
|
Mounting Type |
DIN Rail |
|
Memory |
94 kB |
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