const char * const config_element_switch_timer_interval = "switch_timer_interval";
const char * const config_element_read_timer_interval = "read_timer_interval";
const char * const config_element_monitor_timer_interval = "monitor_timer_interval";
const char * const config_element_switch_timer_interval = "switch_timer_interval";
const char * const config_element_read_timer_interval = "read_timer_interval";
const char * const config_element_monitor_timer_interval = "monitor_timer_interval";