Hersteller: Mitsubishi Electric
Produkt-Nr.: Q173HCPU
Herkunftsland:Vereinigte Staaten
Produkttyp: Motion Controller Modules
Zahlung: T/T, Western Union
Gewicht: 3000g
Abmessungen: 250 mm x 180 mm x 110 mm
Versandhafen: Xiamen
Garantie: 12 Monate
Optimizing synchronization across multiple axes in complex machinery, the Mitsubishi Electric Q173HCPU coordinates up to 32 independent servo axes within a single system. This high-density motion CPU module integrates directly onto the standard MELSEC Q Series multi-CPU backplane, sharing high-speed data transmission buses with host PLC modules to minimize processing overhead. Utilizing the noise-resistant, high-speed fiber-optic SSCNET III network, it provides reliable closed-loop control over servo drives and motors, preventing communication latency even in high-electromagnetic-noise environments. Designed to slot in directly to the right of the primary PLC CPU, the controller utilizes a clear base cover for status visualization and is structurally built to withstand heavy vibrational environments when panel-mounted.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | Q173HCPU |
| Series | MELSEC Q Series |
| Control Axes | Up to 32 axes |
| Communication Protocol | SSCNET III (Fiber-Optic Network) |
| Mounting Compatibility | DIN Rail (with adapter) or Panel Direct Mounting (recommended for high-vibration) |
| Multi-CPU Placement | CPU slot No. 2 or later (always to the right of PLC CPU) |
| Empty CPU Slot Setting | Not allowed between active CPU modules |
| Operating Temperature Range | 0 to 55 degC |
| Storage Temperature Range | -25 to 75 degC |
| Shipping Weight (Calculated) | 3.0 kg |
| Package Dimensions (Calculated) | 250 mm x 180 mm x 110 mm |
| Connector / Terminal | Interface Type | Functional Assignment |
|---|---|---|
| CN1 Connector | Optical Transceiver | SSCNET III communication loop for Axes 1 to 16 |
| CN2 Connector | Optical Transceiver | SSCNET III communication loop for Axes 17 to 32 |
| EMI Terminal | Discrete I/O Connection | Forced stop (External Interlock) input terminal |
| P1/P2/P3 Ports | Serial / Encoder Port | Manual Pulse Generator / External synchronous encoder inputs |
When replacing an older Q173CPUN module, be aware that the Q173HCPU transitions from the copper-based SSCNET to the fiber-optic SSCNET III system. You must upgrade all associated cabling to optical fiber (MR-J3BUS or compatible) and ensure that the connected servo drives (e.g., MR-J3-B or MR-J4-B series in J3-compatibility mode) are fully compatible with SSCNET III protocols. Furthermore, check the Operating System software (SV13/SV22) programmed within the module; mismatching OS versions with the host GX Works2 / MT Developer2 configurations will trigger a CPU verification fault upon system boot.
A common issue during multi-CPU configuration is allocating empty slots. The Q173HCPU cannot be separated from the host PLC CPU (CPU No.1) by an empty slot on the base unit. In addition, dust or microscopic scratches on the optical fiber connectors (CN1/CN2) are the primary causes of transient communication drops (alarm code AL.37). Always ensure the protective rubber caps remain fitted to unused optical ports and clean fiber ends with designated optical cleaning swabs prior to insertion.
When routing the fiber-optic cables, enforce a minimum bending radius of 25 mm. Exceeding this limit causes signal attenuation, leading to intermittent link losses. During software commissioning in MT Developer2, ensure that the multi-CPU shared memory configurations align exactly between the PLC program and the Motion SFC code to prevent parameter overlap errors.
CRITICAL WARNING: HIGH VOLTAGE & ESD HAZARD
Isolate all external power sources feeding the base unit and connected servo controllers before handling the module. Retained electrical charges in servo capacitors pose a lethal shock hazard. Wait a minimum of 10 minutes post-power-down before disconnecting cabling or extracting the module. Always wear a grounded wrist strap to prevent static discharge to exposed internal circuitry.
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