Motion Coordinator Technical Reference Manual
Hardware Overview 2-45
Motion Coordinator MC224
MC224 lower front panel
24v Power Supply Input
The MC224 is powered entirely via the 24v d.c.supply connections. The unit uses
internal DC-DC converters to generate independent 5v logic supply, the encoder
5v supply and other internal power supplies.
Note:
24V dc, Class 2 transformer or power source.
Amplifier Enable (Watchdog) Relay Outputs
Two internal relay contacts are available to enable external amplifiers when the
controller has powered up correctly and the system and application software is
ready. The amplifier enables A and B are solid-state relays with an ON resistance
of 25 ohms at 100mA. The enable relay will be open circuit if there is no power
on the controller OR a following error exists on a servo axis OR the user program
sets it open with the WDOG=OFF command.
The amplifier enable relay may, for example, be incorporated within a hold-up
circuit or chain that must be intact before a 3-phase power input is made live.
Note:
ALL STEPPER AND SERVO AMPLIFIERS MUST BE INHIBITED WHEN THE
AMPLIFIER ENABLE OUTPUTS ARE OPEN CIRCUIT
IO8
IO9
IO10
IO11
IO12
IO13
IO14
IO15
I0
I1
I2
I3
I4
I5
I6
I7
24v
0v
A1
A0
A-
B
CAN Bus
Drive Enable B
24v I/O Channels
8 .. 15
24v Input Channels
0 .. 7
Drive Enable A
Analog Inputs 0..1
Power Input 24v
FlashStick Socket
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