34 RLC-SVD05A-EN
CH530 provides compatibility with two types of starters for RTAC and RTHD
• X-Line - RTAC only
• Y-Delta
• Solid State - RTHD only
X-Line
CH530 provides a “Start” contact closure output for across the line starters. To
reduce the risk of starter damage due to the wrong starter type being selected,
the Transition Complete input is required to be wired at the starter module.
Y- D e l t a
Individual relays on the CH530 Starter module control the timing sequence for
the “Stop”, “Start”, “Short”, “Transition”, and “Run” contactor closures. During a
motor start. Prior to closing the “Short” contact, the transition complete input is
verified to be open, otherwise an MMR diagnostic is generated.
The sequence of a Y-Delta Start is shown in Figure 14. A more elaborate
description of the Y-delta starting sequence is shown in Figure 15 -Figure 28.
Starter
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