Detailed Answer
Remote interlocking: the receiver has reserved interlock input terminals for equipment safety signals: 1. limit switches (travel limits block actions); 2. door interlocks (safety door open blocks running); 3. overload limiters (overload blocks hoisting); 4. anti-collision signals. When conditions are not met, remote commands are void. LDER LD series reserves interlock inputs; Xingjia likewise. Interlocking is a key part of the safety system.
| Inputs | Limit/door/overload |
| Effect | Blocked when unmet |
| LDER | Reserved terminals |
Note:Test interlock signal effectiveness monthly.