Festo has expanded its planar surface gantry series. The CANopen-connectable systems are dedicated for larger workspaces (EXCM-30) respectively higher loads (EXCM-40).
The EXCM series is suitable for applications, in which every millimeter counts. The EXCM-30 provides an optimum ratio between installation space and working space and can be installed directly on a worktable without an external control cabinet. The main applications are in small parts assembly and handling or in electronics manufacturing and laboratory processes.
New to the EXCM-30 is a clean look housing. The cover of the Y-axis provides basic protection against the ingress and discharge of particles. This is especially valuable in cases of upside-down installation. The gantry now has a flexible and simple energy supply concept with a 3D chain and a universal flange adapter. The Y-stroke can be expanded to 410 mm, 460 mm, or 510 mm.
The EXCM-40 is distinguished by an even larger working area of up to 2000 mm in the X-direction and 1000 mm in the Y-direction. Due to the 48-V power supply, loads of up to 4 kg can be. Optionally, accessories including multi-pole and compressed air-connection for electric and pneumatic pick-and-place units are pre-installed. When delivered, the actuators are completely connected. This reduces the lead-time for engineering, assembly, and installation.
A controller package consisting of two motors and the CMXH controller is available for both versions. This offers an STO function in accordance with EN 61800-5-2 for enhanced safety. The optional CANopen interface is based on a manufacturer-specific profile. In a CANopen network, the CMXH controller behaves as a NMT slave with cyclical data exchange. In each case, 8-byte control data (control word and target positions) and 8-byte status data (status word and actual positions) are thereby exchanged between the host controller (PLC/IPC) and the CMXH. Control data are transferred by means of TPDOs and status data by means of RPDOs. The SDO servcies can be used to access the other parameters (e.g. maximum permissible speed, positive and negative SW end position for X and Y). The CANopen interface also supports a homing function.
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