Vacon 100 INDUSTRIAL Safety Manual Download Page 38 | Manualshive

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8

vacon • 36

Thermistor function (ATEX)

Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205

8.1.4

Short circuit monitoring

The thermistor inputs TI1+ and TI1- are monitored for short circuit. If a short circuit is detected, the
drive modulation is disabled within 20ms, Fault 30, Safety diagnostic (subcode 522) is generated.
When the short circuit has been removed, the drive can be reset only after a power recycle.

The short circuit monitoring can be enabled or disabled using the jumper X23 in ON or OFF position
respectively. The jumper is set in ON position by factory default.

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Summary of Contents for 100 INDUSTRIAL

Page 1: ...vacon 100 ac drives optbj sto and atex option board safety manual...

Page 2: ......

Page 3: ...Safe Torque Off STO or Safe Stop 1 SS1 safety functions 28 7 Maintenance 29 7 1 Faults related to the Safe Torque Off STO or Safe Stop 1 SS1 safety functions 29 8 Thermistor function ATEX 31 8 1 Tech...

Page 4: ...1 vacon 2 Approvals Tel 358 0 201 2121 Fax 358 0 201 212 205 1 APPROVALS...

Page 5: ...Approvals vacon 3 24 hour support 358 0 201 212 575 Email vacon vacon com 1...

Page 6: ...1 vacon 4 Approvals Tel 358 0 201 2121 Fax 358 0 201 212 205...

Page 7: ...Approvals vacon 5 24 hour support 358 0 201 212 575 Email vacon vacon com 1...

Page 8: ...1 vacon 6 Approvals Tel 358 0 201 2121 Fax 358 0 201 212 205...

Page 9: ...Approvals vacon 7 24 hour support 358 0 201 212 575 Email vacon vacon com 1...

Page 10: ...g those requirements additional external components are required according to appropriate standards and applica tion requirements Required external components may be for example Appropriate lockable s...

Page 11: ...1 PL d Category 3 EN 62061 SILCL2 IEC 61508 SIL2 The function also corresponds to a controlled stop in accordance with the stop cat 1 EN 60204 1 Motor Thermistor Over temperature protection according...

Page 12: ...AC drive The relay outputs and other I O terminals may have a dangerous control voltage present even when Vacon 100 is disconnected from mains 2 NOTE Incompatible boards cannot be installed on Vacon...

Page 13: ...ard into slot E Close the inner cover NOTE See Chapter 4 1 for the jumper settings 4 Using the grounding clamp for control cable included in the delivery of the drive ground the shield of the OPTBJ ca...

Page 14: ...e protection class IP21 NOTE Cut the opening on the side of the slot E 6 Remount the AC drive cover and run the cable as shown in picture NOTE When planning the cable runs remember to keep the distanc...

Page 15: ...s see chapter 7 1 1 2 3 4 25 26 28 29 3038 emf X23 X10 STO JMP Thermistor short circuit supervision On Off Jumper for selecting thermistor short circuit supervision Jumper for STO board activation Pla...

Page 16: ...BJ board layout Tel 358 0 201 2121 Fax 358 0 201 212 205 4 2 STO jumpers on the Vacon 100 drive Figure 3 STO jumper location on Vacon 100 Open the main cover and the inner cover to reveal the jumper 3...

Page 17: ...torque in the motor shaft For STO the OPTBJ board has two separate galvanically isolated inputs STO1 and STO2 NOTE The STO inputs must be connected to 24V signal so that the drive can go to the enable...

Page 18: ...0 201 212 205 Figure 4 STO principle with OPTBJ board and Vacon 100 control board MR4 10 STO1 STO2 RO 3 VACON 100 CONTROL UNIT Control board OPT BJ board slot E POWER UNIT Thermistor Atex Safety Func...

Page 19: ...re 5 STO principle with OPTBJ board and Vacon 100 control board MR12 STO1 STO2 RO 3 3 VACON 100 CONTROL UNIT Control board OPT BJ board slot E MASTER POWER UNIT SLAVE POWER UNIT Thermistor Atex Safety...

Page 20: ...type c The Safe Stop 1 SS1 safety function consists of two safety related subsystems an external time delayed safety relay and the STO safety function These two subsystems combined compose the Safe S...

Page 21: ...ncerning the parametrizing of Safe Stop 1 and Chapter 5 3 5 for the wiring of Safe Stop 1 CAUTION The system designer user is responsible for understanding and setting the time delay of the safety rel...

Page 22: ...separate isolation transformer to limit short circuit current and overvoltage spikes This is to prevent the welding on the relay contacts Safety function Activation time De activation time Safe Torqu...

Page 23: ...is intended only for diagnostics of the STO function CAUTION The relay output is a non safety related functionality Table 4 Safe Torque Off STO safety related data MR4 MR10 MR12 EN 61800 5 2 2007 SIL...

Page 24: ...ta from user manual and certificate Vacon 100 STO safety related data SubsystemSafetyRelay SubsystemVacon100STO Safe Stop 1 SS1 safety related data When the two subsystems are combined the maximum saf...

Page 25: ...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 th...

Page 26: ...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 ready state Giving a valid star...

Page 27: ...nning the motor More information on the safety relay module may be found in the safety relay documentation NOTE The Vacon 100 default application software uses edge sensitive start as default start co...

Page 28: ...eral wiring instructions for the specific prod uct where OPTBJ is installed Shielded cable is required for connecting the OPTBJ board EN 60204 1 part 13 5 The voltage drop from supply point to load mu...

Page 29: ...tion been done according to the instruc tions in this manual 9 Have process requirements including deceleration time been consid ered for correct execution of Safe Stop 1 SS1 safety function and are t...

Page 30: ...sting them before operating the system NOTE Concerning the SS1 safety function make sure by testing that the drive s stop by ramp func tion is working in accordance with the process requirements NOTE...

Page 31: ...nfiguration 500 STO jumper is installed on the control board Remove the STO jumper from the control board See ch 3 1 and 3 1 1 30 Safety configuration 501 More than one OPTBJ option board detected in...

Page 32: ...it Check the connection of the Atex thermistor Check the thermistor Restart the drive If the restart does not help change the OPTBJ board Should the fault re occur con tact the distributor near to you...

Page 33: ...designed in compliance with all relevant standards within the field of industry NOTE The special conditions required for safe use X in the certificate number This function can be used with Exe Exd and...

Page 34: ...control systems Part 2 Validation EN 60079 14 2007 Electrical apparatus for explosive gas atmospheres Part 14 Electrical installations in hazardous area other than mines EN 61508 3 2010 Functional sa...

Page 35: ...n vacon com 8 Figure 9 Thermistor function principle in Vacon 100 AC drive with the OPTBJ board MR4 10 STO1 STO2 RO 3 VACON 100 CONTROL UNIT Control board OPT BJ board slot E POWER UNIT Thermistor Ate...

Page 36: ...principle with OPTBJ board and Vacon 100 control board MR12 STO1 STO2 RO 3 3 VACON 100 CONTROL UNIT Control board OPT BJ board slot E MASTER POWER UNIT SLAVE POWER UNIT Thermistor Atex Safety Function...

Page 37: ...e OPTBJ board The optocoupler isolates the thermistor inputs from the control board potential If 230VAC is used as control voltage from the output relays the control circuitry must be powered with a s...

Page 38: ...short circuit is detected the drive modulation is disabled within 20ms Fault 30 Safety diagnostic subcode 522 is generated When the short circuit has been removed the drive can be reset only after a...

Page 39: ...to fault state and indicates fault 29 Atex thermistor fault subcode 280 8 2 1 General wiring instructions The thermistor connection must be done using a separate control cable It is not allowed to use...

Page 40: ...Sales code DOC OPTBJ DLUK Document ID Rev D Vacon Ltd Member of the Danfoss Group Runsorintie 7 65380 Vaasa Finland www danfoss com...

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