These are still enclosed in classroom desktop electronic trainers. A code could be entered on the keypad or from a remote computer creating one or more faults. All of the components fit into an attache sized desktop trainer.
15a 48vdc res, 1a 30vdc. The students had to determine where the fault was located.
The relays are marked Takamisawa 12vdc st 12 k, rated. These were designed to introduce errors into circuits by cutting continuity on the wires.
5a 120vac res.
specifications robotiindustri:
brand: Takamisawa
model: St-12-k
type: 16 Relay Board
Seller:
city: Chandler, Arizona
zipcode: 85246
General:
Business & Industrial > Electrical & Test Equipment > Industrial Automation, Control > Robotics