diff --git a/src/pv_controller/FromDevices.py b/src/pv_controller/FromDevices.py
index be8fc83..6e6c389 100644
--- a/src/pv_controller/FromDevices.py
+++ b/src/pv_controller/FromDevices.py
@@ -53,7 +53,7 @@ class FromDevices(AbstractMqttPublisher):
                     logger.error(f"Caught exception: {str(e)}")
 
                 payload['cnt'] = cnt
-                payloadStr = json.dumps(payload)
+                payloadStr = json.dumps(payload) if not device.raw_output else str(payload)
                 self.client.publish(device.publish_topic, payloadStr)
                 logger.debug(f"mqtt message sent: {device.publish_topic} -> {payloadStr}")
 
diff --git a/src/pv_controller/config.py b/src/pv_controller/config.py
index ff9d0da..4308a8d 100644
--- a/src/pv_controller/config.py
+++ b/src/pv_controller/config.py
@@ -24,6 +24,7 @@ class OutputConfig(BaseModel):
     enabled: bool = Field(default=True)
     scan_rate: Optional[int] = Field(default=60)
     publish_topic: str
+    raw_output: Optional[bool] = Field(default=False)
     slave_id: int
     registers: List[RegisterConfig]