ABB ACS280 Firmware Manual page 371

Fieldbus control through the embedded fieldbus interface (EFB)
Code Function name
08h Diagnostics
0Bh Get Comm Event
Counter
0Fh Write Multiple Coils
10h Write Multiple Registers
16h Mask Write Register
17h Read/Write Multiple
Registers
Description
Provides a series of tests for checking the
communication, or for checking various internal
error conditions.
Supported subcodes:
• 00h Return Query Data: Echo/loopback test.
• 01h Restart Comm Option: Restarts and initializes
the EFB, clears communications event counters.
• 04h Force Listen Only Mode
• 0Ah Clear Counters and Diagnostic Register
• 0Bh Return Bus Message Count
• 0Ch Return Bus Comm. Error Count
• 0Dh Return Bus Exception Error Count
• 0Eh Return Slave Message Count
• 0Fh Return Slave No Response Count
• 10h Return Slave NAK (negative acknowledge)
Count
• 11h Return Slave Busy Count
• 12h Return Bus Character Overrun Count
• 14h Clear Overrun Counter and Flag
Returns a status word and an event count.
Forces a sequence of coils (0X references) to 0 or
Writes the contents of a contiguous block of
holding registers (4X references).
Modifies the contents of a 4X register using a
combination of an AND mask, an OR mask, and the
register's current contents.
Writes the contents of a contiguous block of 4X
registers, then reads the contents of another
group of registers (the same or different than
those written) in a server device.
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