The Power Thyristors module consists of six power thyristors (SCRs) mounted in a half-size EMS enclosure. Each
individual thyristor is protected against overcurrents and short-circuits. All the anodes and cathodes of the
thyristors are terminated on the front panel by color-coded, 4 mm safety banana jacks. To reduce the number of
external connections, the most typical thyristor configurations can be achieved through the use of two toggle
switches on the front panel.
A firing control section allows six 0-5 V pulse signals from either the Data Acquisition and Control Interface,
Model 9063, the Thyristor Firing Unit, Model 9030, or any compatible 0-5 V control unit, to be applied to the
gating circuits of the thyristors. The signals are input in the Power Thyristors module through a nine-pin
connector.
Six miniature banana jacks in this section are used as test points to monitor the firing control signals using an
oscilloscope. They can also be used to inject 0-5 V pulse signals from an alternate firing unit, as well as to
inhibit each gating circuit. The Power Thyristors module also includes a synchronization output to trigger an
oscilloscope when observing the firing control signals as well as a firing control disable input that prevents all
six power thyristors from being fired.


Peak Inverse Voltage - 600V