Yaskawa MP2000 - Manual (Page 134)

TECHNICAL NOTE
READ SERVO ERROR function
Function block for MP2000 series
<RDERROR> Function Block Summary
This function block displays servo alarm BIT and the servo alarm code in this function block regardless to
other function blocks. BALRMRST function is used to reset the alarm. Some alarm need cycle power to
clear it. Please refer to Chapter 10 of MP2200/MP2300 motion module user's manual SIJPC88070016
for the content of the alarm.
Function block diagram
<RDERROR> Function Block Operation Notes
• Related function blocks are: SVON and ALRMRST.
• Rising edge of EXECUTE input initiates block operation, and all block input
values are read once.
• The block will continue to monitor the axis for errors as long as the EXECUTE
input stays True. If the EXECUTE bit goes off during operation, all outputs will
be set to zero.
• The AXIS-ERR output will go on if servo alarm (IB**2C0=ON) occurs.
• The
ERROR-ID
output data can be referenced by the servo alarm code, IW**2D.
Further information regarding alarm can be viewed by examining bits in IL**04.
Please see appendix for details
• This block will not report any alarms until 5 seconds after the first execution of
the low scan. This gives the system time to stabilize.
• Four words are used as working registers for this function, starting at the address
in Data04W
File: MP2000_IndividualFunctionDocument_RevC 134/168
Doc Number: eng.MCD.05.101
11/17/2005