20 – 340 HEIDENHAIN Service Manual iTNC 530
Assumed
configuration for
two 1-axis modules
UM 11x: X111 (PWM connection of channel 1) connected with X51 (iTNC, X axis)
X81 (motor connection of channel 1) connected with motor X axis
UM 11x: X111 (PWM connection of channel 1) connected with X52 (iTNC, Y axis)
X81 (motor connection of channeel 1) connected with motor Y axis
Assumed
configuration for
one 2-axis module
UM 12x: X111 (PWM connection of channel 1) connected with X51 (iTNC, X axis)
X112 (PWM connection of channel 1) connected with X52 (iTNC, Y axis)
X81 (motor connection of channel 1) connected with motor X axis
X82 (motor connection of channel 2) connected with motor Y axis
Example Error in X axis.
Two 1-axis modules are available.
Block diagram
for two
1-axis modules
If motor brakes are connected to the power modules, they must be exchanged as well
(X344, X392, X393, X394, depending on the model. --> See Service Manual for Inverter
Systems and Motors)!
Motor brakes can be connected to current HEIDENHAIN inverter modules and compact
inverters. The motor brake is also powered with 24 V via a connector on the inverter. The
trigger signals for the motor brakes are transmitted via the PWM bus.
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