diff --git a/lib/sensor_sdm120.c b/lib/sensor_sdm120.c
index 79157a8..af92f3f 100644
--- a/lib/sensor_sdm120.c
+++ b/lib/sensor_sdm120.c
@@ -117,7 +117,7 @@ void sensor_sdm120_setup(void)
 	gpio_clear(USART_PORT(SENSOR_SDM120_USART), USART_PIN_RX(SENSOR_SDM120_USART)); // pull down to avoid noise when not connected (it will be set low by RS485 chip when RO is enabled)
 
 	// setup USART parameters for electricity meter
-	usart_set_baudrate(USART(SENSOR_SDM120_USART), 2400); // get baud rate by scrolling through the measurements on the electricity meter's screen (default 2400)
+	usart_set_baudrate(USART(SENSOR_SDM120_USART), 9600); // get baud rate by scrolling through the measurements on the electricity meter's screen (default 2400)
 	usart_set_databits(USART(SENSOR_SDM120_USART), 8);
 	usart_set_stopbits(USART(SENSOR_SDM120_USART), USART_STOPBITS_1);
 	usart_set_mode(USART(SENSOR_SDM120_USART), USART_MODE_TX_RX);
@@ -212,6 +212,14 @@ bool sensor_sdm120_configuration_request(uint8_t meter_id, enum sensor_sdm120_co
 	return sensor_sdm120_transmit_request(meter_id, 0x03, register_holding[type], 0);
 }
 
+bool sensor_sdm120_configuration_set(uint8_t meter_id, enum sensor_sdm120_configuration_type_t type, float value)
+{
+	if (type>=SENSOR_SDM120_CONFIGURATION_MAX) { // invalid type
+		return false;
+	}
+	return sensor_sdm120_transmit_request(meter_id, 0x10, register_holding[type], value);
+}
+
 float sensor_sdm120_measurement_decode(void)
 {
 	float measurement = NAN; // decoded measurement to return (invalid in the beginning)
diff --git a/lib/sensor_sdm120.h b/lib/sensor_sdm120.h
index f29e0fc..828c9d4 100644
--- a/lib/sensor_sdm120.h
+++ b/lib/sensor_sdm120.h
@@ -64,10 +64,17 @@ void sensor_sdm120_setup(void);
 bool sensor_sdm120_measurement_request(uint8_t meter_id, enum sensor_sdm120_measurement_type_t type);
 /** request configuration from electricity meter
  *  @param[in] mater_id electricity meter device ID
- *  @param[in] type configuration: type to request
+ *  @param[in] type configuration type to request
  *  @return if transmission started
  */
 bool sensor_sdm120_configuration_request(uint8_t meter_id, enum sensor_sdm120_configuration_type_t type);
+/** set configuration in electricity meter
+ *  @param[in] mater_id electricity meter device ID
+ *  @param[in] type configuration type to set
+ *  @param[in] value configuration value to set
+ *  @return if transmission started
+ */
+bool sensor_sdm120_configuration_set(uint8_t meter_id, enum sensor_sdm120_configuration_type_t type, float value);
 /** decode received measurement
  *  @return decoded measurement or number of registers written, NaN if message has error or no new measurement has been received, infinity if an error or unknown message has been received
  */