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For ease of programming values, after using the Enter key to edit, use the Sel key to jump to the digit that needs to be modified, then use the arrow keys to scroll through the digits. If a human interface module is disconnected from the SMC Flex controller while the Logic Mask is set to 1, a “Coms Loss” fault occurs. Extension cables are available up to a maximum of 10 m in total length.
The Logic Mask parameter (Parameter 87) lets you configure whether a communication device (HIM or network connection) can perform control commands such as starting. you can enable or disable each communication port as required. When a given device is enabled through the logic mask, that device is allowed to execute control commands. Disconnecting any device with the logic mask enabled results in a communication fault unless the communication fault is disabled. When a given device is disabled through the logic mask, that device cannot execute control commands, but can still be used for monitoring. A device that is disabled through the logic mask can be disconnected without causing a fault.
To enable motor control from a connected human interface module or 20-COMM communication card, follow the procedure below with the connected human interface module’s programming keys. You can start and stop the SMC Flex controller with the control panels of the Bulletin 20-HIM LCD human interface modules. However, the factory default settings disable control commands other than Stop through the serial communication port. To enable motor control from a connected human interface module or communication module, you must take the following programming steps: 1. Disconnect the HIM and allow to power down. 2. Reconnect the HIM. On Initializing screen, the bottom right corner of LCD shows Port X. Note this port number.3. Go to Logic Mask, found as follows: Main Menu: Parameter/Communications/Comm Mask/Logic Mask (Parameter 87)
The loss of communication fault will follow the functionality as defined in the DPI specification. There are separate faults for each device. Because three DPI ports are supported there will be three faults that can be generated. DPI provides a separate network fault for each port. This fault can be generated directly by the peripheral and is separate from the Communications Loss fault (which is generated by the SMC Flex itself). SMC Flex Controllerspecific Information You can use the SMC Flex controller with all LCD-applicable DPI interfaces. Regardless of the type of interface being used, you can use the information in this section to configure the rest of the system.