======mb_num_devices====== WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0 Return number of devices on the modbus ====Description==== int mb_num_devices ( ) ====Parameters==== None ====Return Values==== Integer: Number of devices on the modbus ====See Also==== [[mb_add_dev()]] - Add a device to the list of polled devices [[mb_delete_dev()]] - Delete a device from the list of active devices [[mb_get_dev_by_id()]] - Return modbus device details by ID [[mb_get_dev_by_index()]] - Return modbus device details by index [[mb_get_dev_by_name()]] - Return modbus device details by name [[mb_get_dev_info()]] - Return modbus device details by type [[mb_get_role_array()]] - Return an array of all roles and their values [[mb_get_status_by_role()]] - Return status of the device attached to the role [[mb_get_val_by_role()]] - Return value of the role [[mb_queue_command()]] - Queue a sequence of characters to the RS-485 bus and get but ignore the reply [[mb_scan_complete()]] - Check to see if a modbus scan has completed [[mb_scan_percent()]] - Return scan percentage completed [[mb_send_command()]] - Send a sequence of characters to the RS-485 bus and get a reply [[mb_set_dev_var()]] - Set a variable on a modbus device [[mb_set_val_by_role()]] - Set a role value on a modbus device [[mb_start_scan()]] - Initiate an automatic scan of the modbus