9.3 VIEW OF CONTROL UNIT
Designations of the numbered parts:
1. LCD text display
2. 7-segment display (under the LCD
display)
3. Serial interface
4. Input for incremental encoder
5. Battery for real-time clock
6. Twist and selector switch for making
settings
7. Communication module slot (optional)
8. External radio-frequency receiver
(optional)
9. Connection for external antenna
10. ISK7 ATC
11. ISK connection
12. SKL connections for both running
directions
13. Main fuse (230V/6.3A slow-acting)
14. Power supply loop connection
230VAC/50Hz
15. Motor connection
16. Power supply input 230VAC/50Hz
17. Relay outputs
18. Safety and control inputs
Illustration 14: view of control unit
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