Managing high-speed multi-axis synchronization within the MELSEC Q Series platform, the Mitsubishi Electric Q173DCPU Motion Controller delivers precise servo control for demanding industrial automation architectures. This controller operates as a dedicated CPU module on the PLC backplane, handling complex motion profile calculations independently from the sequence PLC program to optimize system response. Engineered to support up to 32 control axes, it minimizes execution lag with an operation cycle starting at 0.44 ms, ensuring high-speed tracking and perfect synchronization across dynamic mechanical setups. This unit comes complete with an external battery holder and a pre-installed Q6BAT backup battery to protect volatile parameters and absolute encoder positions during power cycles.
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | Q173DCPU |
| Series Type | MELSEC Q Series |
| Controlled Axes | Up to 32 axes |
| Operation Cycle | 0.44 ms or more |
| Current Consumption (5 VDC) | 1.25 A |
| Backup Battery System | Q6BAT with external mounting holder |
| Unit Dimensions (W x H x D) | 2.74 cm x 9.80 cm x 11.93 cm |
| Net Module Weight | 0.33 kg |
| Shipping Weight (Gross) | 3.00 kg |
The Q173DCPU is designed to replace older legacy motion controllers within standard Q-Series backplane designs. When transitioning configurations from equivalent units, verify your software package compatibility inside MT Developer2. Ensure the system backplane's power supply module (such as the Q61P) is rated to handle the 1.25 A internal current draw of this unit combined with any concurrent sequence CPUs.
When deploying multiple CPU modules (e.g., combining a Q03UDCPU sequence processor with the Q173DCPU), the motion controller must be assigned its designated slot order as defined in the multi-CPU configuration settings. Failure to set matching CPU parameters in both GX Works2 and MT Developer2 will trigger a multi-CPU synchronization error on startup, preventing the system from entering RUN mode.
Always maintain absolute cleanliness when handling the optical SSCNET III ports on the face of the Q173DCPU. Dust or oil film on the fiber optic interfaces will attenuate the signal, leading to transmission faults or axis disconnects. Leave the protective port plugs in place until the optical fiber cabling is ready to be locked into position.
Isolate and lock out all power sources feeding the main PLC backplane and related servo drives prior to installing, replacing, or wiring the controller. Physical manipulation of modules on an active backplane can destroy internal microprocessors or trigger unexpected industrial machine movements.
Global Express Shipping
Returns & Warranty
Manufacturer: Mitsubishi Electric
Product No.: Q173DCPU
Country of origin:United States
Product Type: Motion Controllers
Payment: T/T, Western Union
Weight: 3000g
Dimensions: 2.74 cm x 9.80 cm x 11.93 cm
Shipping port: Xiamen
Warranty: 12 months
Managing high-speed multi-axis synchronization within the MELSEC Q Series platform, the Mitsubishi Electric Q173DCPU Motion Controller delivers precise servo control for demanding industrial automation architectures. This controller operates as a dedicated CPU module on the PLC backplane, handling complex motion profile calculations independently from the sequence PLC program to optimize system response. Engineered to support up to 32 control axes, it minimizes execution lag with an operation cycle starting at 0.44 ms, ensuring high-speed tracking and perfect synchronization across dynamic mechanical setups. This unit comes complete with an external battery holder and a pre-installed Q6BAT backup battery to protect volatile parameters and absolute encoder positions during power cycles.
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | Q173DCPU |
| Series Type | MELSEC Q Series |
| Controlled Axes | Up to 32 axes |
| Operation Cycle | 0.44 ms or more |
| Current Consumption (5 VDC) | 1.25 A |
| Backup Battery System | Q6BAT with external mounting holder |
| Unit Dimensions (W x H x D) | 2.74 cm x 9.80 cm x 11.93 cm |
| Net Module Weight | 0.33 kg |
| Shipping Weight (Gross) | 3.00 kg |
The Q173DCPU is designed to replace older legacy motion controllers within standard Q-Series backplane designs. When transitioning configurations from equivalent units, verify your software package compatibility inside MT Developer2. Ensure the system backplane's power supply module (such as the Q61P) is rated to handle the 1.25 A internal current draw of this unit combined with any concurrent sequence CPUs.
When deploying multiple CPU modules (e.g., combining a Q03UDCPU sequence processor with the Q173DCPU), the motion controller must be assigned its designated slot order as defined in the multi-CPU configuration settings. Failure to set matching CPU parameters in both GX Works2 and MT Developer2 will trigger a multi-CPU synchronization error on startup, preventing the system from entering RUN mode.
Always maintain absolute cleanliness when handling the optical SSCNET III ports on the face of the Q173DCPU. Dust or oil film on the fiber optic interfaces will attenuate the signal, leading to transmission faults or axis disconnects. Leave the protective port plugs in place until the optical fiber cabling is ready to be locked into position.
Isolate and lock out all power sources feeding the main PLC backplane and related servo drives prior to installing, replacing, or wiring the controller. Physical manipulation of modules on an active backplane can destroy internal microprocessors or trigger unexpected industrial machine movements.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
Replacing a 1756-L73 does not automatically mean upgrading its firmware. This guide compares v19.013, v21.011 and v31.011, focusing on project compatibility, HMI communications, legacy networks and...
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Integrate Allen-Bradley CompactLogix, Caterpillar ATS, and generators into DeltaV DCS over Modbus RTU. Covers ProSoft MVI69-MCM, Miille DIN266 gateways.
ONS instruction fires but the OTE coil never latches in Studio 5000 because the one-shot is only true for one scan. Use OTL/OTU or seal-in logic instead.
Configure Allen-Bradley Kinetix 5500 servo drives on EtherNet/IP. Covers CIP Sync, IEEE 1588 V2 timing, Stratix selection, DLR topology, and HMI.
A moving-average filter is the sliding-window smoother most instrument engineers drop into DCS and PLC analog paths. Here is how the window works, how N and sample time set lag, and when a...
