ajbachhuber
Member
I've got a 6ES5 451-8MA11 It's a 8x24vdc digital output card. I've also got a 6ES5 441-8MA11 It too is an 8x24vdc output card. The 451 Siemens calls "Isolated" and the 441 they call "Non-isolated." My thought was that the isolated one had fused outputs and the non-isolated didn't. Can someone tell me where I'm going wrong here? I opened up the 451 and there are no replaceable fuses in there yet the red light marked "F" is on. The only other modules I have are inputs and they also have red LEDs marked "F." When the red LED is on, isn't that telling me I have a bad fuse?
-AJ-
-AJ-