diff --git a/etc/uldaq.conf b/etc/uldaq.conf
index 94c33dabf..d2806fa78 100644
--- a/etc/uldaq.conf
+++ b/etc/uldaq.conf
@@ -1,3 +1,7 @@
+http = {
+    enabled = false
+}
+
 nodes = {
     ul201 = {
         type = "uldaq"
@@ -6,11 +10,41 @@ nodes = {
             range = "bipolar-10",
             input_mode = "single-ended" 
             signals = (
-                { name = "ch0", type = "float", channel = 0, }
+                { name = "ch0", type = "float", channel = 0 },
             )
 
-            sample_rate = 1000,
+            sample_rate = 5000,
             vectorize = 100
         }
+    },
+
+    sigGen = {
+        type = "signal"
+        signal = "sine"
+        frequency = 50
+        rate = 1000
+    }
+    vpmu = {
+        type = "socket",
+        layer = "udp",
+
+        format = "raw.32.be",
+
+        in = {
+            address = "*:13001"
+
+            signals = ()
+        },
+        out = {
+            vectorize = 100
+            address = "127.0.0.1:13000"
+        }
     }
 }
+
+paths = (
+    {
+        in = "ul201",
+        out = "vpmu"
+    }
+)
diff --git a/include/villas/nodes/uldaq.h b/include/villas/nodes/uldaq.h
index 776547f6d..870061289 100644
--- a/include/villas/nodes/uldaq.h
+++ b/include/villas/nodes/uldaq.h
@@ -50,6 +50,7 @@ struct uldaq {
 	DaqDeviceInterface device_interface_type;
 
 	uint64_t sequence;
+	uint32_t buffer_pos;
 
 	struct {
 		double sample_rate;
diff --git a/lib/nodes/uldaq.c b/lib/nodes/uldaq.c
index 6ef1be9b8..af62127c6 100644
--- a/lib/nodes/uldaq.c
+++ b/lib/nodes/uldaq.c
@@ -319,7 +319,7 @@ void uldaq_data_available(DaqDeviceHandle device_handle, DaqEventType event_type
 
 	pthread_mutex_lock(&u->in.mutex);
 
-#if 1
+#if 0
 	UlError err;
 	err = ulAInScanStatus(device_handle, &u->in.status, &u->in.transfer_status);
 	if (err != ERR_NO_ERROR)
@@ -339,6 +339,7 @@ int uldaq_start(struct node *n)
 	struct uldaq *u = (struct uldaq *) n->_vd;
 
 	u->sequence = 0;
+	u->buffer_pos = 0;
 
 	unsigned num_devs = ULDAQ_MAX_DEV_COUNT;
 	DaqDeviceDescriptor descriptors[num_devs];
@@ -465,7 +466,8 @@ int uldaq_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *re
 	if (cnt != n->in.vectorize)
 		return -1;
 
-	long long start_index = u->in.transfer_status.currentIndex - (n->in.vectorize-1) * u->in.channel_count;
+	//long long start_index = u->in.transfer_status.currentIndex - (n->in.vectorize-1) * u->in.channel_count;
+	long long start_index = u->buffer_pos;
 	if(start_index < 0){
 		start_index += u->in.buffer_len;
 	}
@@ -493,7 +495,7 @@ int uldaq_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *re
 		smp->sequence = u->sequence++;
 		smp->flags = SAMPLE_HAS_SEQUENCE | SAMPLE_HAS_DATA;
 	}
-
+	u->buffer_pos += u->in.channel_count * n->in.vectorize;
 	pthread_mutex_unlock(&u->in.mutex);
 
 	return cnt;