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Safe speed monitoring with PNOZ s30

Applications in the speed monitoring range

Speed monitor PNOZ s30

When using the speed monitor PNOZ s30 you comply with the machinery directive with respect to the demand to safely monitor and maintain the operating status of the drive when the drive is shut down, thus protecting thee operation personnel.

The speed monitor PNOZ s30 can be used in a wide range of applications and for monitoring various functions. The user-friendly configuration is made directly at the device or optionally using the PNOZsigma Configurator. Typical applications for speed monitoring are balancing machines, high rack storage systems, centrifuges, filling systems, wind turbines or amusement parks. The monitorable safety functions in accordance with EN 61800-5-2 are listed below.

Your benefits of use

  • You increase the safety of your employees
  • You save costs and increase productivity: Unnecessary shutdown processes are omitted
  • To be on the safe side, you get a warning when a defined warning threshold is reached
  • Save time during setup due to convenient rotary knob (push and turn) operation and PNOZsigma Configurator

Speed monitor safety functions in accordance with EN 61800-5-2

Safe Speed Range (SSR)

Safe monitoring of the speed range (SSR - Safe Speed Range) is achieved by combining safe monitoring of the maximum speed – "Safely Limited Speed" and the safe monitoring of the minimum speed – "Safe Speed Monitoring". The safe monitoring of the speed range defines itself by the monitored speed having to move in a corridor of a minimum and maximum speed.

Safe Direction

Safe monitoring of the safe direction (SDI - Safe Direction) ensures that a drive moves only in the defined direction. Any deviation of the direction is safely detected and the relevant reaction is triggered. Monitoring of safe direction of movement is applied practically in cases where a danger zone is allowed access while the machine moves in a safe direction.

Safe Speed Monitor (SSM)- safe speed monitoring

The safe speed monitoring (SSM – Safe speed monitor) signals when a defined minimum speed is undershot. This may be used for example, to make a danger zone accessible when a specified speed is undershot. Different from that, the function "safely limited speed" (SLS) signals when a defined maximum value is exceeded.

Safe Operating Stop (SOS)

Safe monitoring of the safe operating stop (SOS - Safe Operating Stop) guarantees safe position monitoring. Depending on the configuration it is ensured that standstill or a defined position window is monitored. Leaving the defined area triggers a corresponding error reaction.

Safe Speed Range (SSR)

        Safe Speed Range (SSR)

Safe Direction (SDI)

             Safe Direction (SDI)

Safe Speed Monitor (SSM)

        Safe Speed Monitor (SSM)

Safe Operating Stop (SOS)

        Safe Operating Stop (SOS)

Application examples

Working safely with the guards open

The ability to work safely with the guard open leads to:

  • Reduced setup times as there is a better insight into the setup area
  • Greater work safety by guaranteeing that the direction of motion corresponds to the selected jog function
  • Greater work safety as a result of safely limited setup speeds
Safe operating stop (SOS and SS2)

Safe operating stop (SOS and SS2) leads to higher productivity because:

  • Axis synchronisation is maintained
  • Plants are restarted quickly and more simply
  • Safety level is higher, as the plant is protected against unexpected restart

Contact expansion with PNOZ s22 – Twice as good

Contact expansion with PNOZ s22
  • 2 relay functions that can be separately controlled according to PL e, EN ISO 13849-1, a total of 6 instantaneous safety contacts (N/O) and 2 instantaneous auxiliary contacts (N/C)
  • Each with 3 safety contacts and 1 auxiliary contact that can be separately controlled, so that different functions based on the base unit PNOZ s30 can be allocated to the outputs.
  • Safe separation between the two relay functions enables different potentials to be switched

 

Our product range: Speed monitoring

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