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Magstim 200
2
Operating Manual
APPENDIX B - TRIGGER INPUT/ OUTPUT
The Isolated Interface on the rear of the Magstim 200
2
allows external equipment to be connected to enable
synchronisation with an external device.
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The Isolated Interface Is a 26 Way High Density D-Type Female Connector.
The following tables detail the interface pins:
Location
Rear of Stimulator
Type
26 Way D-Type (Female)
Siqnal Levels
CMOS
Tout-O/C
Pin 3 -will be connected to Aux. Gnd. when the system is triaoered.
Tin+
Pin 5 -will triaaer the svstem when a looic hiqh is aoolied.
Tin -
Pin 6 - will trigger the system when a logic low is applied.
Tout+
Pin 7 - a logic high will be visible when the system is triggered.
Pin Signals
Tout-
Pin 8- a logic low will be visible when the system is triggered.
Trigger Edge I Level
Pin 24 - unconnected sets to an edge trigger
connected to Aux. Gnd. provides a level trigger.
Aux. Gnd.
Pins 1, 11 & 19
Aux. +5V
Pin 10
Trigger Edge/ Level
When set to edge trigger, the Magstim 200
2
will only be triggered when the logic level being applied on the Tin+ or
Tin- pin is changed. On the Tin+ pin, triggering will occur when the logic level is changed from low to high. On the
Tin- pin, triggering will occur when the logic level is changed from high to low. Edge triggering will only allow one
trigger per logic level change.
When set to level trigger, the Magstim 200
2
will be triggered when the appropriate logic level is applied to the Tin+
or Tin- pins. On the Tin+ pin, a logic high will need to be applied. On the Tin- pin, a logic low will need to be
applied. The system re-fire when the system is ready until the logic state being applied changes or is removed.
Note: For the Tin trigger pulse to fire the system, it need to be in an armed state when the trigger is applied and
another trigger will need to be applied i.e. coil switch.
ToutO/C
Tout O/C is connected to an open collector device inside the Magstim 200
2
meaning a pulled up resistor is
required to use this feature.
© The Magstim Company Limited
19
MOP01-EN-01
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