User Tools

Site Tools


uphp:functions:mb_num_devices

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

uphp/functions/mb_num_devices.txt · Last modified: 2021/09/13 05:57 (external edit)