diff --git a/bundles/org.openhab.binding.knx/src/main/java/org/openhab/binding/knx/internal/dpt/ValueEncoder.java b/bundles/org.openhab.binding.knx/src/main/java/org/openhab/binding/knx/internal/dpt/ValueEncoder.java
index f2768a7b83a..582a57d561f 100644
--- a/bundles/org.openhab.binding.knx/src/main/java/org/openhab/binding/knx/internal/dpt/ValueEncoder.java
+++ b/bundles/org.openhab.binding.knx/src/main/java/org/openhab/binding/knx/internal/dpt/ValueEncoder.java
@@ -45,6 +45,7 @@ import tuwien.auto.calimero.dptxlator.DPT;
 import tuwien.auto.calimero.dptxlator.DPTXlator;
 import tuwien.auto.calimero.dptxlator.DPTXlator1BitControlled;
 import tuwien.auto.calimero.dptxlator.DPTXlator2ByteFloat;
+import tuwien.auto.calimero.dptxlator.DPTXlator2ByteUnsigned;
 import tuwien.auto.calimero.dptxlator.DPTXlator3BitControlled;
 import tuwien.auto.calimero.dptxlator.DPTXlator4ByteFloat;
 import tuwien.auto.calimero.dptxlator.DPTXlatorBoolean;
@@ -258,6 +259,14 @@ public class ValueEncoder {
                     default:
                         return "1 " + valueDPT.getUpperValue();
                 }
+            case "7":
+                if (DPTXlator2ByteUnsigned.DPT_TIMEPERIOD_10.getID().equals(dptId)
+                        || DPTXlator2ByteUnsigned.DPT_TIMEPERIOD_100.getID().equals(dptId)) {
+                    return bigDecimal.divide(BigDecimal.valueOf(1000)).stripTrailingZeros().toPlainString().replace('.',
+                            ((DecimalFormat) DecimalFormat.getInstance()).getDecimalFormatSymbols()
+                                    .getDecimalSeparator());
+                }
+                return bigDecimal.stripTrailingZeros().toPlainString();
             case "18":
                 int intVal = bigDecimal.intValue();
                 if (intVal > 63) {
diff --git a/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/dpt/DPTTest.java b/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/dpt/DPTTest.java
index 1775261087a..45ce5f8521b 100644
--- a/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/dpt/DPTTest.java
+++ b/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/dpt/DPTTest.java
@@ -73,8 +73,9 @@ class DPTTest {
     @Test
     void testToDPT7ValueFromQuantityType() {
         assertEquals("1000", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.002"));
-        assertEquals("1000", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.003"));
-        assertEquals("1000", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.004"));
+        // according to spec this should be 1000 for 7.003 and 7.004 - 1 is a workaround for Calimero 2.5.1
+        assertEquals("1", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.003"));
+        assertEquals("1", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.004"));
         assertEquals("1", ValueEncoder.encode(new QuantityType<>("1000 ms"), "7.005"));
         assertEquals("1", ValueEncoder.encode(new QuantityType<>("60 s"), "7.006"));
         assertEquals("1", ValueEncoder.encode(new QuantityType<>("60 min"), "7.007"));
diff --git a/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/itests/Back2BackTest.java b/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/itests/Back2BackTest.java
index 20c88d05d61..ae34945b8ff 100644
--- a/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/itests/Back2BackTest.java
+++ b/bundles/org.openhab.binding.knx/src/test/java/org/openhab/binding/knx/internal/itests/Back2BackTest.java
@@ -53,6 +53,7 @@ import tuwien.auto.calimero.GroupAddress;
 import tuwien.auto.calimero.KNXException;
 import tuwien.auto.calimero.datapoint.CommandDP;
 import tuwien.auto.calimero.datapoint.Datapoint;
+import tuwien.auto.calimero.dptxlator.DPTXlator2ByteUnsigned;
 import tuwien.auto.calimero.dptxlator.TranslatorTypes;
 import tuwien.auto.calimero.process.ProcessCommunicator;
 import tuwien.auto.calimero.process.ProcessCommunicatorImpl;
@@ -368,9 +369,45 @@ public class Back2BackTest {
 
     @Test
     void testDpt7() {
-        // TODO add tests for more subtypes
         helper("7.001", new byte[] { 0, 42 }, new DecimalType(42));
         helper("7.001", new byte[] { (byte) 0xff, (byte) 0xff }, new DecimalType(65535));
+        // workaround in place, as Calimero uses "s" instead of "ms"
+        // refs: ValueEncoder::handleNumericTypes() (case 7) and DptUnits (static initialization)
+        assertTrue("s".equals(DPTXlator2ByteUnsigned.DPT_TIMEPERIOD_10.getUnit()));
+        helper("7.002", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 ms"));
+        helper("7.002", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 ms"));
+        helper("7.002", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 ms"));
+        assertTrue("s".equals(DPTXlator2ByteUnsigned.DPT_TIMEPERIOD_100.getUnit()));
+        helper("7.003", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 ms"));
+        helper("7.003", new byte[] { (byte) 0x00, (byte) 0x64 }, new QuantityType<>("1000 ms"));
+        helper("7.003", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("2550 ms"));
+        helper("7.003", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("655350 ms"));
+        helper("7.004", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 ms"));
+        helper("7.004", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("25500 ms"));
+        helper("7.004", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("6553500 ms"));
+        helper("7.005", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 s"));
+        helper("7.005", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 s"));
+        helper("7.005", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 s"));
+        helper("7.006", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 min"));
+        helper("7.006", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 min"));
+        helper("7.006", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 min"));
+        helper("7.006", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("3932100 s"));
+        helper("7.007", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 h"));
+        helper("7.007", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 h"));
+        helper("7.007", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("918000 s"));
+        helper("7.007", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 h"));
+
+        helper("7.010", new byte[] { 0, 42 }, new DecimalType(42));
+        helper("7.010", new byte[] { (byte) 0xff, (byte) 0xff }, new DecimalType(65535));
+        helper("7.011", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 mm"));
+        helper("7.011", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 mm"));
+        helper("7.011", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 mm"));
+        helper("7.012", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 mA"));
+        helper("7.012", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 mA"));
+        helper("7.012", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 mA"));
+        helper("7.013", new byte[] { (byte) 0x00, (byte) 0x00 }, new QuantityType<>("0 lx"));
+        helper("7.013", new byte[] { (byte) 0x00, (byte) 0xff }, new QuantityType<>("255 lx"));
+        helper("7.013", new byte[] { (byte) 0xff, (byte) 0xff }, new QuantityType<>("65535 lx"));
     }
 
     @Test