Micro850

buffalonymann

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B

Join Date

May 2016

Location

NY

Posts

30

• Aug 30, 2019

• #1

First time using AB Micro850 - out of the box and powered up "MS" and "FAULT" are flashing. Connected via USB but cannot connect to the PLC. Tried to update firmware and get failure because PLC is not in right condition

 

geniusintraining

Lifetime Supporting Member + Moderator

Join Date

Jun 2005

Location

SC

Posts

8,274

• Aug 30, 2019

• #2

Any modules plug into it?

EDIT: Try plugging it into a router, the router will assign a IP address and then see if you can see it in RSLinx via ethernet

 

buffalonymann

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OP

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Join Date

May 2016

Location

NY

Posts

30

• Aug 30, 2019

• #3

I just learned with the addition of an expansion module, and end of bus terminator is required; this may be the problem. Ordered one, and will install next week

 

geniusintraining

Lifetime Supporting Member + Moderator

Join Date

Jun 2005

Location

SC

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8,274

• Aug 30, 2019

• #4

buffalonymann said:

Ordered one, and will install next week

Click to expand...

Just to test, you can unplug it (the expansion module) and power up... your fault should be cleared

 

Firejo

Member

Join Date

Jun 2008

Location

Redmond, WA

Posts

1,507

• Aug 30, 2019

• #5

If you do wind up updating the firmware don't use the USB connection. I've had a very high failure rate with the ControlFlash program when using a USB connection and from what I understand it is a known issue. Use the USB to configure the Ethernet port and connect ControlFlash using that.