Vacon 100 Safety Manual
Also see for 100 INDUSTRIAL: Installation instructionInstallation manualInstallation manualInstallation manualUser manual
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STO and SS1 safety functions vacon • 2324-hour support +358 (0)201 212 575 • Email: vacon@vacon.com55.3.5 Wiring examplesThe examples in this chapter show the basic principles for wiring OPTBJ board. Local standardsand regulations should be always followed in the final design.Example 1: OPTBJ board without reset for Safe Torque Off (STO)The figure above shows a connection example of OPTBJ board for Safe Torque Off safety functionwithout reset. The switch S1 is connected with 4 wires to the OPTBJ board as shown above.The power supply to S1 may come from control board (connector pins 6 & 7 in the above Figure) orit may also be external.When the switch S1 is activated (contacts open), the drive will go to STO state and motor (if running)will stop by coasting. The drive will indicate: "30 SafeTorqueOff".To start the motor operation again, the following sequence is performed.• Release the switch S1 (contacts closed). The hardware is now enabled but the drive continues to dis-play the fault "30 SafeTorqueOff".• Acknowledge the releasing of switch by edge sensitive reset function. The drive returns to the readystate.• Giving a valid start command will start running the motor.NOTE! The Vacon 100 default application software uses edge-sensitive start as default start com-mand, for preventing unexpected startup from STO state.F1123456L1 L2MAIN CIRCUITL3PEPEL1 L2 L3U V WPE27PEPEPEW1M1M3 ~U11V1 W12PER1SPEED REFERENCESCCWCWW12 1sh 1r 2sh 2p 2sBasic I/O1+10Vref12AI1+23AI13OPTBJSLOT E1STO1+2STO1S1 1112W10 1r 2r1b 2bS6START13144AI2+45AI25624Vout67GND73STO2+4STO22122S7STOP11128DI189DI2910DI31011CM1125RO1 C26RO1 NO28TI1+1224Vout1213GND1314DI41415DI515X23OFF29TI116DI61617CM1718AO1+1819AO/GND1930+24Vin20PESafe torque off+24V0VARS485BRS48521 22AO1RS485UUUON OFFIII AI2AI1Short circuit and earthfault protected supplyON OFF DGNDX10Installed3044A_UK.eps |
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