--- a/master/master.c	Fri Feb 24 13:14:51 2006 +0000
+++ b/master/master.c	Fri Feb 24 13:34:31 2006 +0000
@@ -483,8 +483,8 @@
             return -1;
 
         // Check if slave was registered...
-        if (!slave->type || !slave->registered) {
-            printk(KERN_INFO "EtherCAT: Slave %i was not registered.\n", i);
+        if (!slave->type) {
+            printk(KERN_INFO "EtherCAT: Slave %i has unknown type!\n", i);
             continue;
         }
 
@@ -541,6 +541,14 @@
         if (unlikely(ec_slave_state_change(slave, EC_SLAVE_STATE_PREOP)))
             return -1;
 
+        // Slaves that are not registered are only brought into PREOP
+        // state -> nice blinking and mailbox comm. possible
+        if (!slave->registered) {
+            printk(KERN_WARNING "EtherCAT: Slave %i was not registered!\n",
+                   slave->ring_position);
+            continue;
+        }
+
         // Set FMMUs
         for (j = 0; j < slave->fmmu_count; j++)
         {

--- a/rt/msr_module.c	Fri Feb 24 13:14:51 2006 +0000
+++ b/rt/msr_module.c	Fri Feb 24 13:34:31 2006 +0000
@@ -59,8 +59,9 @@
 uint32_t angle0;
 
 ec_field_init_t domain1_fields[] = {
+    {},
+    {(void **) &ssi_value,   "1", "Beckhoff", "EL5001", ec_ipvalue, 0, 1},
     {(void **) &dig_out1,    "2", "Beckhoff", "EL2004", ec_opvalue, 0, 1},
-    {(void **) &ssi_value,   "3", "Beckhoff", "EL5001", ec_ipvalue, 0, 1},
     {(void **) &inc_value, "0:4", "Beckhoff", "EL5101", ec_ipvalue, 0, 1},
     {}
 };
@@ -72,7 +73,7 @@
     // Prozessdaten lesen und schreiben
     EtherCAT_rt_domain_xio(domain1);
 
-    angle0 = (uint32_t) *inc_value;
+    //angle0 = (uint32_t) *inc_value;
 }
 
 /*****************************************************************************/
@@ -165,14 +166,14 @@
         goto out_release_master;
     }
 
-    EtherCAT_rt_master_debug(master, 2);
-    if (EtherCAT_rt_canopen_sdo_addr_read(master, "0:3", 0x100A, 1,
+#if 1
+    if (EtherCAT_rt_canopen_sdo_addr_read(master, "1", 0x100A, 1,
                                           &version)) {
         printk(KERN_ERR "Could not read SSI version!\n");
         goto out_release_master;
     }
     printk(KERN_INFO "Klemme 3 Software-version: %u\n", version);
-    EtherCAT_rt_master_debug(master, 0);
+#endif
 
     ipipe_init_attr(&attr);
     attr.name = "IPIPE-MSR-MODULE";