diff --git a/pyLSV2/scripts/demo.py b/pyLSV2/scripts/demo.py
index 17b7f98..3a4df18 100644
--- a/pyLSV2/scripts/demo.py
+++ b/pyLSV2/scripts/demo.py
@@ -100,7 +100,11 @@ def comprehensive_demo():
         print("## double word: {}".format(con.read_plc_memory(0, MemoryType.DWORD, 5)))
         print("## string: {}".format(con.read_plc_memory(0, MemoryType.STRING, 5)))
         print("## input: {}".format(con.read_plc_memory(0, MemoryType.INPUT, 5)))
-        print("## output: {}".format(con.read_plc_memory(0, MemoryType.OUTPUT_WORD, 5)))
+        print("## output: {}".format(con.read_plc_memory(0, MemoryType.OUTPUT, 5)))
+        print("## input word: {}".format(con.read_plc_memory(0, MemoryType.INPUT_WORD, 5)))
+        print("## output word: {}".format(con.read_plc_memory(0, MemoryType.OUTPUT_WORD, 5)))
+        print("## input dword: {}".format(con.read_plc_memory(0, MemoryType.INPUT_DWORD, 5)))
+        print("## output dword: {}".format(con.read_plc_memory(0, MemoryType.OUTPUT_DWORD, 5)))
 
         print("# data values via data path, only available on some iTNC530")
         if con.versions.is_itnc():
diff --git a/tests/test_plc_read.py b/tests/test_plc_read.py
index 4c22ef5..5eaa241 100644
--- a/tests/test_plc_read.py
+++ b/tests/test_plc_read.py
@@ -16,8 +16,11 @@ def test_plc_read(address: str, timeout: float):
     assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.WORD, 1) is not False
     assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.DWORD, 1) is not False
     assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.STRING, 1) is not False
-    assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.INPUT, 1) is not False
     assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.OUTPUT_WORD, 1) is not False
+    assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.OUTPUT_DWORD, 1) is not False
+    assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.INPUT, 1) is not False
+    assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.INPUT_WORD, 1) is not False
+    assert lsv2.read_plc_memory(0, pyLSV2.MemoryType.INPUT_DWORD, 1) is not False
 
     lsv2.logout(pyLSV2.Login.PLCDEBUG)