By340_04b_oi_e.doc / Apr-16
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9.
Description of Commands and Outputs
9.1.
Commands
No. Command
Description
Assignment to
Keypad
Input
1
Reset
Sets the internal differential counter and the analog
correction signal to zero. Both drives run solely in
analog synchronization (open loop) whilst activated
yes
yes
2
Trim-
Provides a temporary lower or higher slave speed
which results in a phase displacement between the
motor shafts. When releasing the trim command, the
drives will synchronize again in their new relative
position. In Modes 5 and 6 impulses are required to
change the position step by step
yes
yes
3
Trim+
4
n. a.
5
n. a.
6
Integrator off This command sets the phase integrator to 0. This
prevents the integrator from building up error when
the drives are stopped, but not in a perfect
synchronous position. This prevents any leap in speed
on restart
yes
yes
7
Store EEProm Stores actual operational settings to the EEProm, so
they remain available also after power down.
yes
yes
8
Scroll Display Selects the source of the digital display.
See chapter
9.3
“Display of Actual Values” for details.
yes
yes
9
Parameter
Disable
Disables the keypad for any parameter access. Only
commands assigned to the keypads will be accessible
no
yes
10 Clear
Min. & Max
Sets the internal minimum and maximum error
registers to the actual differential error.
yes
yes
11 Index Slave
Assigns the index pick-up function to the input
(respectively Factor1 inc./dec. with Mode 4)
yes
yes
12 Index Master
13 n. a.
14 Read
Thumbwheels
Reads and activates the Factor 1 setting from the front
thumbwheel switches (model BY641 only)
yes
yes
15 Stop Slave
Ramps the Slave drive down to standstill using the
“Stop Ramp”. When released, the Slave ramps up
again and locks into synchronization
yes
yes
16 n. a.
n. a. = not applicable
