Specifications
Notes on versions
01.00|FB20|en
79
Version Date Remark
V02-00.06.00 26.09.2013 Behavior
Sporadically, the control values are not used for positioning
or not controlled accordingly.
Cause
If the default values change during transmission to the fu, the
current value is cached, but it is not the right one.
Remedy
All control relevant data are cached while sending the order
(cmd.: a0..4), to use this value as a reference value.
V02-00.05.00 24.09.2013 Behavior
Sometimes the drive moves only at a slow speed to the posi-
tion that was set by the previous speed.
Cause
The FB20 differs tip-v or control-target-v, but the module
works only with one speed value. It could be that there is no
target-v transmitted during the control drive. Therefore, the
module drove with the last target-v.
Remedy
If the speed movement is performed (cmd.: b5), the target-v
cache will be reset.
V02-00.04.00 04.02.2013 Behavior
The status signal "blocked" does not appear.
Cause
With the FB20, the values for the control (e.g. current, posi-
tion, etc.) are regularly resent. If the drive is being controlled,
the status bit is reset by this and will be reevaluated. This can
often no longer be re-activated.
Remedy
If the drive is now being controlled, only a control value is re-
sent if it has changed.
V02-00.03.00 14.12.2012 Behavior
If the control values, the control mode and, in the same PLC
cycle, the start signal has come in, the function was not per-
formed. Only after a repeated start impulse.
Remedy
When changing the control mode (for example, cmd.#b08 -->
cmd.#b0), the signal "#sd.fkt_mod_delta" is set to 1, so that
the start pulse is suppressed. Now the signal is only triggered
if neither a start nor a control function is active.










