diff --git a/strolch-plc-gw-server/src/main/java/li/strolch/plc/gw/server/service/SendPlcTelegramService.java b/strolch-plc-gw-server/src/main/java/li/strolch/plc/gw/server/service/SendPlcTelegramService.java
new file mode 100644
index 0000000..fa196a4
--- /dev/null
+++ b/strolch-plc-gw-server/src/main/java/li/strolch/plc/gw/server/service/SendPlcTelegramService.java
@@ -0,0 +1,71 @@
+package li.strolch.plc.gw.server.service;
+
+import static li.strolch.plc.model.PlcConstants.*;
+
+import com.google.gson.JsonPrimitive;
+import li.strolch.model.StrolchValueType;
+import li.strolch.plc.gw.server.PlcGwServerHandler;
+import li.strolch.plc.model.PlcAddressKey;
+import li.strolch.plc.model.PlcAddressResponse;
+import li.strolch.service.StringMapArgument;
+import li.strolch.service.api.AbstractService;
+import li.strolch.service.api.ServiceResult;
+import li.strolch.utils.dbc.DBC;
+
+public class SendPlcTelegramService extends AbstractService<StringMapArgument, ServiceResult> {
+
+	@Override
+	protected ServiceResult getResultInstance() {
+		return new ServiceResult();
+	}
+
+	@Override
+	public StringMapArgument getArgumentInstance() {
+		return new StringMapArgument();
+	}
+
+	@Override
+	protected ServiceResult internalDoService(StringMapArgument arg) throws Exception {
+
+		String plcId = arg.map.get(PARAM_PLC_ID);
+		String resource = arg.map.get(PARAM_RESOURCE);
+		String action = arg.map.get(PARAM_ACTION);
+
+		DBC.PRE.assertNotEmpty(PARAM_PLC_ID + " must be set!", plcId);
+		DBC.PRE.assertNotEmpty(PARAM_RESOURCE + " must be set!", resource);
+		DBC.PRE.assertNotEmpty(PARAM_ACTION + " must be set!", action);
+
+		PlcGwServerHandler plcHandler = getComponent(PlcGwServerHandler.class);
+
+		PlcAddressResponse response;
+		if (!arg.map.containsKey(PARAM_VALUE)) {
+			response = plcHandler.sendMessageSync(PlcAddressKey.keyFor(resource, action), plcId);
+		} else {
+
+			String valueS = arg.map.get(PARAM_VALUE);
+			String valueTypeS = arg.map.get(PARAM_VALUE_TYPE);
+
+			DBC.PRE.assertNotEmpty(PARAM_VALUE + " must either not be set, or a non-empty value", valueS);
+			DBC.PRE.assertNotEmpty(PARAM_VALUE_TYPE + " must be set when a value is given!", valueTypeS);
+
+			StrolchValueType valueType = StrolchValueType.parse(valueTypeS);
+			Object value = valueType.parseValue(valueS);
+			JsonPrimitive valueJ;
+			if (value instanceof String)
+				valueJ = new JsonPrimitive((String) value);
+			else if (value instanceof Number)
+				valueJ = new JsonPrimitive((Number) value);
+			else if (value instanceof Boolean)
+				valueJ = new JsonPrimitive((Boolean) value);
+			else
+				throw new IllegalArgumentException("Unhandled value type " + valueType);
+
+			response = plcHandler.sendMessageSync(PlcAddressKey.keyFor(resource, action), plcId, valueJ);
+		}
+
+		if (response.isDone())
+			return ServiceResult.success();
+
+		return ServiceResult.error(response.getState() + ": " + response.getStateMsg());
+	}
+}