Phoenix Contact PSR-MM35 Original Operating Instructions
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Phoenix Contact PSR-MM35 Original Operating Instructions

Sensorless over-speed safety relay with psrmotion configuration software
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PSR-MM35 sensorless over-speed safety relay
with PSRmotion configuration software
Original operating instructions

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Summary of Contents for Phoenix Contact PSR-MM35

  • Page 1 PSR-MM35 sensorless over-speed safety relay with PSRmotion configuration software Original operating instructions...
  • Page 2 Designation Revision Article No. PSR-MM35-1NO-1DO-24DC-SC 00/100 1249515 PSR-MM35-1NO-1DO-24DC-SP 00/100 1249516 The items listed are all referred to in this user manual by the designation PSR-MM35. PHOENIX CONTACT GmbH & Co. KG • Flachsmarktstraße 8 • 32825 Blomberg • Germany phoenixcontact.com...

  • Page 3: Table Of Contents

    Startup monitoring ................22 2.4.5 Switch-on and switch-off delay ............24 2.4.6 Operating states .................. 25 2.4.7 Diagnostic functions ................26 2.4.8 Safe state ..................... 26 2.4.9 Behavior in the event of an error ............26 3 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 4 PSR-MM35 Mounting and removal ......................27 Assembly notes ....................27 Mounting work ..................... 28 Removal work...................... 28 Electrical connection......................... 29 Connection notes ....................29 Wiring of the connection terminal blocks ............. 30 Arrangement of the measuring cables ..............31 Configuration and startup......................32 System requirements...................
  • Page 5 Interface types according to ZVEI classification ........76 10.2 Approvals ......................78 10.3 Ordering data ...................... 78 Technical appendix........................79 Calculating the power dissipation ............... 79 Shutdown time of the safety function ..............80 Revision history ........................84 5 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 6: For Your Safety

    PSR-MM35 For your safety Read this user manual carefully and keep it for future reference. Identification of warning notes This symbol indicates hazards that could lead to personal injury. There are three signal words indicating the severity of a potential injury.

  • Page 7: Field Of Application Of The Product

    – The frequency measurement process will not detect a mechanically blocked motor or overloaded motor. Achievable safety Within a system, the PSR-MM35 safety relay module can be used to achieve the following safety integrity depending on the conditions of use: integrity –...

  • Page 8: Foreseeable Misuse

    PSR-MM35 Technical data and Only use the device in accordance with the defined technical data and environmental conditions. environmental conditions  See “Technical data” on page Application examples The safety relay module is used for the following applications, for example: –...

  • Page 9: Safety Notes

    Otherwise, the warranty is invalidated. – Repairs to the device – Opening the housing Decommissioning and • Dispose of the device in accordance with environmental regulations. disposal • Make sure that the device can never be reused. 9 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 10: Electrical Safety

    PSR-MM35 1.4.2 Electrical safety WARNING: Loss of safety function and hazardous shock currents Incorrect installation can result in the loss of the safety function as well as hazardous shock currents. Depending on the application, there may be serious risks for the user.
  • Page 11 ESD information NOTE: Electrostatic discharge Electrostatic discharge can damage or destroy components. When handling the device, observe the necessary safety precautions against electrostatic discharge (ESD) in accordance with EN 61340-5-1 and IEC 61340-5-1. 11 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 12: Safety Of Machines Or Systems

    PSR-MM35 1.4.3 Safety of machines or systems Draw up and implement a The machine/system manufacturer and the operator are responsible for the safety of the safety concept machine or system and the application in which the machine or system is used. In order to use the device described in this document, you must have drawn up an appropriate safety concept for your machine or system.

  • Page 13: Safety When Starting Applications

    See phoenixcontact.net/products. Also observe the documentation for all other devices used together with the safety relay module. Safety hotline Should you have any technical questions, contact our 24-hour hotline. Phone: +49 5281 9462777 E-mail: safety-service@phoenixcontact.com 13 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 14: Product Description And Method Of Operation

    PSR-MM35 Product description and method of operation Product features The PSR-MM35 safety relay module offer the following features: – Monitoring of a minimum and maximum speed and of a speed range – Easy parameterization and online diagnostics using the PSRmotion software, which can be downloaded free of charge –...
  • Page 15 The safety relay module is available in two different terminal block versions. Plug-in screw terminal block PSR-MM35-...-SC Plug-in spring-cage terminal block PSR-MM35-...-SP For the exact housing dimensions for both terminal block versions, refer to the technical data.

  • Page 16: Connection Assignment

    PSR-MM35 2.2.1 Connection assignment For the assignment of the connections and LED indicators, please refer to the table below. Front view Table 2-1 Connection designations and indicators L1/L2/L3 Measurement inputs PWR LED Operating voltage indicator Status indicator for enabling current path 13/14...

  • Page 17: Inputs And Outputs

    The enabling current path is configurable (with switch-on or switch-off delay) according to Stop category 0 / 1 stop category 0 and stop category 1 in accordance with EN 60204-1. Protective circuit Please refer to “Protective circuit in the case of inductive loads” on page 17 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 18: Signal Output

    PSR-MM35 2.3.4 Signal output Designation: MO You can use the signal output to control a standard PLC or signaling units, for example. The signal output has the following properties: – Digital – – Non-isolated – Short-circuit-proof – Non-safety-related Signal output MO indicates the state of the enabling current path. It switches 24 V when the enabling current path is closed.

  • Page 19: Function Description

    The acknowledgment signal is subject to time monitoring: The 24 V signal must be applied at input S34 for min 200 ms and max. 10 s.  See “Safe state” on page 19 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 20: Speed Monitoring

    PSR-MM35 2.4.2 Speed monitoring The following monitoring functions are possible: – Monitoring only for maximum speed – Monitoring of a speed range with startup monitoring – Monitoring of a speed range without startup monitoring Parameterization The f (maximum frequency) and f (minimum frequency) parameters define the motor speed limits that are to be monitored.

  • Page 21: Without Startup Monitoring

    Acknowledgment time: 0.2 s ... 10 s Hysteresis of 10% in relation to f or f Shutdown time In your safety assessment, take into consideration the shutdown time of the safety function. See Appendix A 2 on page 21 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 22: Startup Monitoring

    PSR-MM35 2.4.4 Startup monitoring The startup monitoring time (t ) is a time limit within which the actual frequency must be > the minimum frequency (f ). If the minimum frequency including hysteresis (f +Hys) is not reached within this time, the enabling current path opens again.
  • Page 23 The enabling current path opens, as f < f The startup monitoring time is restarted. The startup monitoring time has elapsed. The enabling current path remains closed. The enabling current path closes, as f < f < f 23 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 24: Switch-On And Switch-Off Delay

    PSR-MM35 2.4.5 Switch-on and switch-off delay Function and Figure 2-6 Time diagram: switch-on and switch-off delay time diagram - Hys + Hys 13/14 S34-man 13/14 S34-auto Key: Switch-on delay: 0 s ... 2 s Switch-off delay: 0 s ... 10 s...

  • Page 25: Operating States

    In the case of star-delta changeover, a permanent connection can be achieved between the measurement inputs and motor windings, for example, by enabling the star contactor at standstill. CAUTION: Assess the possibility and impact of this measure in relation to your application. 25 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 26: Diagnostic Functions

    Restart the safety relay module: a) Disconnect the operating voltage. b) Apply the operating voltage again. If the error cannot be reset, please contact Phoenix Contact. Perform a function test after every error. “Function test” on page 26 / 86...

  • Page 27: Mounting And Removal

    (control cabinet or control box). Requirements for the installation space: at least IP54 Securing the control In order to prevent tampering, secure the control cabinet or control box against being cabinet opened by unauthorized persons. 27 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 28: Mounting Work

    PSR-MM35 Mounting work DIN rail mounting Mount the safety relay module on a 35 mm DIN rail in accordance with EN 60715.  See A and B in Figure 3-1. Check that all the snap-in mechanisms are securely snapped into place.

  • Page 29: Electrical Connection

    • Once the installation work is completed and the system no longer poses a hazard, switch the power back on. Observe the information in the section on safety regulations and installation notes. 29 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 30: Wiring Of The Connection Terminal Blocks

    PSR-MM35 Wiring of the connection terminal blocks Connect the cables to the connection terminal blocks using a screwdriver. Screw terminal block Figure 4-1 Connecting the cables for the PSR-MM35-...-SC (screw terminal block) AWG 24-12 PSR-...-SC 0,2-2,5 mm 7 mm 0,5-0,6 Nm...

  • Page 31: Arrangement Of The Measuring Cables

    Suitable connectors for directly connecting the measurement inputs to the motor terminals of the drive can be found at phoenixcontact.net/products. A selection of insulated and uninsulated connectors can be found in the “Ordering data” section. NOTE: Observe the applicable installation instructions of the motor manufacturer. 31 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 32: Configuration And Startup

    Qualified personnel Configuration and startup may only be carried out by qualified personnel. Configuration software To configure the PSR-MM35 safety relay module, use the PSRmotion configuration software. WARNING: Danger due to incorrectly set parameters Incorrectly set parameters for motion monitoring can result in dangerous machine or system states.

  • Page 33: Installing The Configuration Software

    Configuration and startup Installing the configuration software Latest software The Phoenix Contact software is available in the download area for the product at phoenixcontact.net/products. Make sure you always use the latest software version. Before connecting the safety relay module to the configuration PC, you must install the PSRmotion configuration software with the appropriate drivers for the safety relay module.

  • Page 34: User Interfaces

    PSR-MM35 User interfaces 5.4.1 Start screen The PSRmotion configuration software has the following start screen. Figure 5-2 User interface of the configuration software Settings You can select the language (German/English) under “Settings” in the start screen. Hardware selection To create a new project, click the button for the PSR-MM35.

  • Page 35: Layout Of The User Interface

    Display of online values Latch data Error messages System data Data relevant for shutdown Validation Setting of validation levels Interface Selection of interfaces File Save and print function Help Information on the software version and manual 35 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 36 PSR-MM35 Tab bar Under “Parameterization”, the tab bar offers the following functions: – Configuration – Parameterization – Advanced settings – Machine data Action area Figure 5-4 Action area The action area offers the following functions: – “Read device”: the application parameters are read in the PSRmotion software ...

  • Page 37: Creating A Project

     See “Connection to the PC” on page • Start the PSRmotion software. ⇒ The start screen opens. • Select the “PSR-MM35” product. The user interface opens. ⇒ • Open the “Interface” menu item. ⇒ The “Interface” user interface opens.

  • Page 38: Saving The Project

    PSR-MM35 Saving the project • Open the “Parameterization” menu item. ⇒ The “Device configuration” view is displayed. Figure 5-7 Device configuration • Select the “Parameterization” tab (1). • Enter the application parameters. See “Parameterization” on page • Select the “Write to device” button (2).
  • Page 39 The transferred values are enabled on the safety relay module. If you do not confirm the data, the data will be transferred but not enabled. ⇒ The safety relay module remains inactive. ⇒ The PWR LED flashes, indicating an error. 39 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 40: Reading A Project

    PSR-MM35 Reading a project You can read the parameterization stored on the safety relay module on the PC. This allows the parameters to be viewed in the configuration software, adjusted, and then downloaded again. A password does not need to be entered to read parameters in the PSRmotion software.

  • Page 41: Device Configuration

    Project name Project or machine designation In the device Date Current date In the device Author Entry of user/name Not in the device Checksum Display of automatically determined Not in the project checksum (CRC) device 41 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 42: Parameterization

    PSR-MM35 5.8.2 Parameterization Figure 5-12 Parameterization view Item Function Frequencies Delay times Acknowledgment and startup monitoring 42 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 43 Number of revolutions Revolutions On asynchronous motors, load-dependent slippage occurs between the motor speed and the rotating field frequency. This slippage must be taken into consideration for the parameterization of the frequencies (f and f 43 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 44 PSR-MM35 Delay times Figure 5-14 Delay times Switch-off delay Input range: 0 to 2 s • Set the switch-off delay (1) on the scale. ⇒ The set switch-off delay is displayed (2). ⇒ The switch-off delay becomes active as soon as an overrange of fmax or underrange of fmin is detected.
  • Page 45 ≥ 1.1 Hz. Startup monitoring is not performed if “0” is entered as the value. The enabling current path closes as soon as the frequency is within the limit values. 45 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 46: Advanced Settings

    PSR-MM35 5.8.3 Advanced settings You can change the number of measuring cycles in the “Advanced settings” user interface. You can also define the frequency above which this number should be valid. WARNING: Danger due to incorrect setting Changing the preset parameters will influence the safety characteristics and response time of the safety relay module.
  • Page 47 Few measuring cycles = short response time due to fast measured value generation, but more susceptible to external interference 1 measuring cycle = fastest response time Many measuring cycles = long system response time, but robust measurement 47 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 48 PSR-MM35 Sensitivity Figure 5-18 Sensitivity Selection field where you can select the sensitivity and error diagnostics of the measuring system by choosing between “Default” and “Robust”. The sensitivity is preset to the “Default” option. In case of high levels of external interference, and the shutdowns associated with this being within the permitted frequency range, the sensitivity can be switched to “Robust”.

  • Page 49: Parameterization Of Machine Data

    • Enable the “Take over machine data” (3) selection field. ⇒ The data is applied in the parameterization view. ⇒ It is no longer possible to enter the frequencies directly in the “Parameterization” menu. 49 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 50: Password Settings

    PSR-MM35 5.8.5 Password settings Protect your safety relay module against unauthorized access with a device password. Figure 5-21 Password settings • Open the “Password” menu item (1). ⇒ The “Password settings” user interface opens. • Enter the current password (2). If no password is assigned, you can leave the field empty.

  • Page 51: Diagnosis

    Red lines: fmin and fmax – Status display of inputs and outputs – 13/14: Status of the enabling current path for speed monitoring – MO: Status of the alarm output – S34: Status of the acknowledgment input 51 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 52: Latch Data

    PSR-MM35 5.9.1 Latch data When the safety function is triggered, the shutdown-related data is saved in the device. You can read the data for diagnostic and servicing purposes. The data is stored until the safety function is triggered again. •...

  • Page 53: System Data

    Figure 5-24 “System data” view Project data: – Project name – Date of the application – Checksum (CRC) Device data: – Serial number – Article number – Hardware version – Firmware version 53 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 54: Validation

    PSR-MM35 5.9.3 Validation A validation function is available in the configuration software to validate the safety function. You can reduce or increase the limit values fmax and fmin by 10%, 20%, or 30%, thereby forcing a shutdown. Validation requires you to enter the device password.

  • Page 55: Function Test

    – Function test B: Shutdown in the event of under-speed Starting point Start every function test from the following starting point: The machine is at a standstill. The safety relay module is switched on. 55 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 56: Function Test A: Shutdown In The Event Of Over-Speed

    PSR-MM35 6.1.1 Function test A: Shutdown in the event of over-speed Shutdown in the event of Start motion while observing the switch-on condition and switch-on delay. over-speed Increase the speed until the parameterized maximum frequency (fmax) is exceeded. Expected safety relay module behavior: ⇒...

  • Page 57: Maintenance, Repair, Decommissioning, And Disposal

    I/O devices. Repairs Repairs may not be carried out. In the event of an error, please send the device to Phoenix Contact. Decommissioning and disposal Carry out decommissioning in accordance with the requirements of the machine or system manufacturer.

  • Page 58: Errors: Messages And Removal

    PSR-MM35 Errors: Messages and removal Status indicator The two-color PWR and OUT LEDs indicate operational readiness and the status of the enabling current path. – Blink codes of the LED indicators on the device – Error message in the PSRmotion configuration software...

  • Page 59: Error Message And Led Error Codes

    200 ms to max. 10 s. 4 x flashing Wire break at L1, L2, L3 • Check the wiring at the measurement inputs – Short circuit – Cross-circuit – Wire break 59 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 60 The password has not been confirmed. • Transmit the password again. 6 x flashing Relay error • Send the device to Phoenix Contact for testing. 7 x flashing Discrepancy error: • Check the wiring at the The signals at the measurement inputs measurement inputs differ.

  • Page 61: Remedy In The Event Of An Error

    Safe state in the event of For all the listed error states, the safety relay module enters the safe state. an error In the event of an error or fault that is not listed, please contact Phoenix Contact. 61 / 86 PHOENIX CONTACT...

  • Page 62: Application Examples

    General information Each of the presented application examples shows only one section that is relevant for the wiring of the PSR-MM35 safety relay module. Safety classification The user carries out the complete integration in the overall system and the safety classification of the overall safety function.
  • Page 63 Application examples Application drawing Figure 9-1 Speed monitoring of a 3-phase motor FU/FC Key: Manual acknowledgment device K1/K2 Force-guided contactors Frequency converters FU/FC Motor 63 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 64: Speed Monitoring Of A 1-Phase Motor

    PSR-MM35 Speed monitoring of a 1-phase motor Application description: – 1-phase motor – Monitoring of a speed range – Enabling of output contacts 13/14 when the following are reached: – The monitored minimum frequency – The monitored maximum frequency –...
  • Page 65 Application examples Application drawing Figure 9-2 Speed monitoring of a 1-phase motor 24VDC 24VDC FU/FC PSR-MM35 M M M Key: Manual acknowledgment device K1/K2 Force-guided contactors FU/FC Frequency converters Motor 65 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 66: Zero-Speed And Speed Monitoring Of A 3-Phase Motor

    Achievable safety integrity – Suitable up to category 3, PL d (EN ISO 13849-1), SIL 2 (EN 62061) – PSR-MM35, monitoring for maximum speed: Monitoring for maximum speed – Enabling of output contacts 13/14 when the monitored speed is reached –...
  • Page 67 24V DC (GND) (GND) PSR-MC30 24VDC 24VDC PSR-MM35 Key: Unlock button (release of guard-locking device) Manual acknowledgment device (PSR-MC30) Manual acknowledgment device (PSR-MM35) Interlocking device with guard locking K1/K2 Force-guided contactors FU/FC Frequency converters Motor 67 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 68: 10 Technical Data And Ordering Data

    PSR-MM35 10 Technical data and ordering data 10.1 Technical data Supply Designation A1/A2 Rated control circuit supply voltage 24 V DC -15% / +10% (provide external fuse protection) Rated control supply current 46 mA Power consumption at 1.1 W Filter time...
  • Page 69 Current Max. 100 mA Inrush current Max. 500 mA Short-circuit protection Internal discharging circuit Ohmic switching frequencies 0.5 Hz Minimum ohmic load 240  Protective circuit Protection against polarity reversal, 33 V suppressor diode 69 / 86 PHOENIX CONTACT 110272_en_01...
  • Page 70 PSR-MM35 Times Typical response time at U 70 ms (autostart) 70 ms (manual, monitored start) Typical response time (relay outputs) “Maximum response time” Max. response time (relay outputs) under fault conditions 1.75 s (wire break) Switch-off delay 0 s ... 2 s 10% Switch-on delay 0 s ...
  • Page 71 Safety parameters in accordance with EN ISO 13849 Category Performance level For applications in PL e, the required demand rate for the safety function is once per month. Safety parameters in accordance with EN 62061 71 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 72: Derating

    PSR-MM35 10.1.1 Derating The derating curves apply for the following conditions: – For enabling current path 13/14 – Devices mounted next to each other on the DIN rail without spacing – Mounting position and operation as per comment regarding the respective derating...

  • Page 73: Load Curve

    10.1.2 Load curve Ohmic and inductive load for enabling current path 13/14 Figure 10-2 Relay load curve – ohmic and inductive load 1000 I [A] Key: Ohmic load L/R = 0 ms  Inductive load L/R = 40 ms  73 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 74: Insulation Coordination

    PSR-MM35 10.1.3 Insulation coordination The table below shows the insulation among the relay outputs and to the logic area of the device. Table 10-1 Insulation coordination A1/A2, 13/14 L1/L2/L3 Housing S34/MO A1/A2, 6 kV ST 8 kV ST 4 kV BI...

  • Page 75: Electrical Service Life

    Technical data and ordering data 10.1.4 Electrical service life Figure 10-3 Electrical service life Cycles [1000] 75 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 76: Interface Types According To Zvei Classification

    PSR-MM35 10.1.5 Interface types according to ZVEI classification Digital inputs: S34 Source/ Interface Additional Source/ Suitable Suitable Suitable desti- type measure desti- interface interface interface nation nation type type type Destina- Source tion Interface type A – destination Parameter Min.
  • Page 77 100 mA Capacitive load C On request Inductive load L On request Additional measure M – Outputs are not types in accordance with IEC 61131-2 – No test pulses are emitted at the output 77 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 78: Approvals

    PSR-MM35 10.2 Approvals For the latest approvals, please visit phoenixcontact.net/products. 10.3 Ordering data Description Type Article No. Pcs./ Pkt. Safety relay module for sensorless speed and speed range PSR-MM35-2NO-2DO-24DC-SC 1249515 monitoring up to SIL 3, Cat. 4, PL e, 2-channel evaluation of the rotating field of AC and three-phase motors, plug-in screw terminal block, width: 12.5 mm...

  • Page 79: A Technical Appendix

    ²  50 mΩ Contact Total power dissipation Total Input Contact Therefore ²  I  50 mΩ Total Key: Power dissipation in mW Applied operating voltage Rated control supply current Contact load current 79 / 86 PHOENIX CONTACT 110272_en_01...

  • Page 80: A 2 Shutdown Time Of The Safety Function

    MM35 STOP Figure A-1 Shutdown time for the safety function Key: Actual shutdown time for the safety function Maximum response time of the PSR-MM35 MM35 Response time of the actuator Stopping time of the machine STOP 80 / 86 PHOENIX CONTACT...
  • Page 81 Shutdown time of the safety function A 2.1 Maximum response time The response time of the PSR-MM35 safety relay module depends on the set parameters and on the frequency in the measuring system. Factor for the number of The “Measuring cycles” parameter (measuring accuracy) determines the duration over measuring cycles n which the measuring system generates a measured value.
  • Page 82 = (n +1)  (1000/f +2 ms) + 15 ms MM35-max Key: Maximum response time of the PSR-MM35 when the maximum MM35-max frequency is exceeded Number of measuring cycles (software parameter) taking into consideration the parameterized frequency threshold and the...
  • Page 83 +1)  (1000/f [Hz]  1.2 +110 ms) + 15 ms MM35-min Key: Maximum response time of the PSR-MM35 when the minimum MM35-min frequency is not reached Number of measuring cycles (software parameter) taking into consideration the parameterized frequency threshold and the...

  • Page 84: B Revision History

    PSR-MM35 B Revision history Revision Date Contents Page 2021-12-03 First publication 2022-03-03 Warning note extended in Section 1.3.1, “Intended use” Page 7 Section 2.4.4 Startup monitoring “Automatic acknowledgment”, note added Page 22 about calculating the response time. 84 / 86...
  • Page 85 The receipt of technical documentation (in particular user documentation) does not constitute any further duty on the part of Phoenix Contact to furnish information on modifications to products and/or technical documentation. You are responsible to verify the suitability and intended use of the products in your specific application, in particular with regard to observing the applicable standards and regulations.
  • Page 86 Should you have any suggestions or recommendations for improvement of the contents and layout of our manuals, please send your comments to: tecdoc@phoenixcontact.com 86 / 86 PHOENIX CONTACT GmbH & Co. KG • Flachsmarktstraße 8 • 32825 Blomberg • Germany phoenixcontact.com...

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