Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Symbols used ������������������������������������������������������������������������������������������������4 1�2 Warnings used �����������������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������5 3 Functions and features ����������������������������������������������������������������������������������������7 3�1 Distinctive features ����������������������������������������������������������������������������������������8 3�2 Predictive incorrect use: ��������������������������������������������������������������������������������8 4 Items supplied������������������������������������������������������������������������������������������������������8 5 Installation������������������������������������������������������������������������������������������������������������9 5�1 Installation location ����������������������������������������������������������������������������������������9 5�2 Mounting surface �������������������������������������������������������������������������������������������9 5�3 Heat dissipation �������������������������������������������������������������������������������������������10 5�4 Installation position ��������������������������������������������������������������������������������������10...
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8 Technical data ����������������������������������������������������������������������������������������������������26 8�1 CR720S �������������������������������������������������������������������������������������������������������26 8�1�1 Mechanical and electric data ��������������������������������������������������������������26 8�1�2 Test standards and regulations �����������������������������������������������������������29 8�1�3 ST A and ST B / input characteristics �������������������������������������������������30 8�1�4 ST A and ST B / output characteristics �����������������������������������������������33 8�1�5 Connectors �����������������������������������������������������������������������������������������37 8�1�6 ST A / wiring ����������������������������������������������������������������������������������������38 8�1�7 ST B / wiring ���������������������������������������������������������������������������������������39 8�2 CR721S �������������������������������������������������������������������������������������������������������40...
1 Preliminary note Technical data, approvals, accessories and further information at www�ifm�com� 1.1 Symbols used ► Instruction > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information Supplementary note�...
2 Safety instructions • The device described is a subcomponent for integration into a system� The system architect is responsible for the safety of the system� The system architect undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system�...
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ATTENTION! Excessive current, weld slag and soiling due to welding > Damage to the device, deterioration of the electrical safety ► Welding work on the chassis frame must only be carried out by qualified personnel� ► Remove and cover the plus and minus terminals of the batteries�...
• Two separately programmable controllers: - safety PLC for safety-related applications - standard PLC for standard applications - CODESYS V3�5 programming system (in a version approved by ifm) for both controllers� The safe controller requires a safety SIL2 extension for CODESYS�...
4 protective covers 1 original operating instructions CR72xS, ident no� 80291607 CE declaration of conformity ► In the event of incomplete or damaged items supplied, please contact ifm� Programming manual and software (firmware of the controller and programming environment) → www.ifm.com...
5 Installation 5.1 Installation location The following installation locations are permitted: • inside of the cabin • body • vehicle frame Installation on the motor/engine is not permitted� For non-mobile applications, the applicable directives are to be adhered to, taking into account the specified environmental conditions�...
5.3 Heat dissipation CAUTION! The housing can heat up considerably� > Risk of burns� ► During installation, ensure sufficient heat dissipation� ► Measure maximum device heating in the application� The maximum housing temperature indicated in the data sheet must not be exceeded� If housing temperatures presenting a danger to people are reached: ►...
68,4 Installation Total height with the attached connector ATTENTION! Contact corrosion between the mounting screws and the housing� > Damage to the device ► Do not use stainless steel screws or nickel-plated screws� ► Use zinc-plated screws� ► In very corrosive environments such as extremely salty air, use LEDs screws with surface finishing on a zinc/nickel basis with thick- film passivation and sealing�...
The connection terminals may only be supplied with the signals indicated in the technical data / on the device label and only the approved accessories from ifm may be connected� Only connect the connector pins as shown in the pin layout�Unspecified connector pins remain unconnected�...
► Connect all required supply lines, GND connections and the shield connection� 6.2 Connection technology Observe all notes on connection technology� ► Note the device label� ► Use M12 connectors with gold-plated contacts� ► The M12 connection parts in the device comply with the ingress resistance requirements of the standard EN 61076-2-101�...
6.3 Shield connection 1: Holes for shield connection To ensure the protection of the device against electrical interference and to ensure the safe function of the device, the housing has to be connected to the body / GND of the supply using the shortest possible route� EPS Source Otherwise the safety function is not ensured! Product Scale Drawing...
Connection Nominal value fuse Required triggering characteristics ≤ 15 A (only with ≤ 15 A CR721S) (only with ≤ 15 A CR721S) Inputs / input groups ≤ 120 s at max. 6.25 A fuse All supply lines of the inputs can be protected within the input groups� 6.5 Laying of the supply and signal cables supply sensor...
► For the operation of the controller, connect RESET-COM to the GND star point ①� WARNING! Faulty laying of the supply and signal cables > Deterioration of the safety function and EMC ► Basically lay all supply and signal cables separately� ►...
WARNING! Wrong connection of the GND connections > Loss of the safety function, the measurement accuracy and EMC possible ► Do not connect the GND , GND and GND connections to the common GND star point, but to the GND of the signal source or of the connected device�...
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supply input input nn GND controller Shield Connection of the analogue inputs (A), example CR721S ► Connect GND to the GND of the signal source� Do not connect GND to other GND connections or to the common GND star point�...
6.7 Resistor inputs supply input input nn GND controller Shield Connection of the resistor inputs (R), example CR721S ► Connect GND to the GND of the signal source� Do not connect GND to other GND connections or to the common GND star point�Do not connect the resistor inputs to a VBB�...
6.8 High-side digital inputs (CSO) supply input , FRQ input , FRQ nn GND controller Shield Connection of the high-side inputs (B , FRQ ), example CR721S 1: Connection for 3-wire sensors ► Connect the GND of the signal source to the common GND star point�Do not connect the GND of the signal source to GND or GND �...
6.9 Analogue outputs supply Con. A A (0...10 V) load Con. B A (0...10 V) load Con. B Con. A controller Shield Connection of the analogue outputs (A), example CR721S The controller can be connected to the following loads: • resistive loads The connected load must not exceed the maximum permissible values of the respective output (→...
6.10 Digital / PWM outputs supply output load output load output load controller Shield Connection of the high-side digital outputs (PWM ), example CR721S 1: GND star point WARNING! • Interruption of all GND power supply connections and simultaneously • loads at the outputs connected to GND This may cause fault currents to flow through the controller and load which lead to an undefined state of the controller and the system�...
The controller can be connected to the following loads: • resistive loads • capacitive loads (adapt diagnostic settings to the load, see programming manual) • inductive loads The connected load must not exceed the maximum permissible values of the respective output (→ 8 Technical data)� Deviating connections are not permitted�...
• inductive loads The connected load must not exceed the maximum permissible values of the respective output (→ 8 Technical data)� ► Supply low-side outputs (B ) via a high-side output (B ) of the same output group� Deviating connections are not permitted� 6.12 Mixed operation (12 V / 24 V) In case of supply via PELV, mixed operation is not permitted�...
In addition to the CODESYS programming system, the following documents are required for programming and set-up of the device: • CODESYS V3�5 programming manual The manuals can be downloaded from the internet:www�ifm�com CODESYS online help: www�ifm�com (in the download space with registration)
8 Technical data 8.1 CR720S 8.1.1 Mechanical and electric data Control systems CR720S P_MZ_e100_0093 Original Scale Drawing (MTD) Scale: 1:2 ecomatController/98 IEC 61508:2010 SIL 2 LEDs IEC 62061:2005 + A1:2012 + A2:2015 SIL CL 2 if used as safety controller Suited for requirements up to: PL d (ISO 13849-1:2015) AgPL d (ISO 25119:2018,...
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2 x LED (G) for ETH0 and ETH1 Application LED 4 x three-colour LED (R/G/B) for APP0, APP1, APP2 and APP3, programmable ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 2...
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Output, external, dual channel < 1�0 x 10 Lifetime: 20 years Other characteristic values: see SISTEMA library at ifm�com for download ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice!
ISO 16750-5 AA, BA, BD, CC, DB, DC, DD, only one chemical permitted at a time ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 4...
≤ 30 kHz Switch-on level > 0�7 VBB Switch-off level < 0�3 VBB Accuracy ± 10 µs ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 5 22/01/2020...
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Accuracy B ± 1 % FS Range diagnostics min�/max� 1 V / 0�95 VBB (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 6 22/01/2020...
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(CSI) pulse width modulation current-controlled resistor input supply output group 0���3 supply controller ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 7 22/01/2020...
± 1�5 % FS (for inductive loads) Range diagnostics min�/max� 0 A / 4 A (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 8...
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Resolution 1 ‰ (at 20���250 Hz) Range diagnostics min�/max� 0 A / 2�5 A (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 9 22/01/2020...
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0 V / 5 V, 400 mA / 10 V, 200 mA, accuracy ± 5 % OUT3000 Minimum current 10 mA Short-circuit proof and overload protected Sensor supply (OUT SUPPLY-A) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 10 22/01/2020...
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(CSO) pulse-width modulation low side (CSI) pulse-width modulation current-controlled supply output group 0���3 supply controller ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 11 22/01/2020...
1-81: see wiring ST B EPS Sou EPS So Product Product Frame S Frame S ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR720S / page 12 22/01/2020...
4 x R (0�016���30 kOhm) / BL 16 x B (impedance ≤ 10 kOhm) 8 x B (impedance ≤ 3.2 kOhm ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 1 22/01/2020...
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2 x LED (G) for ETH0 and ETH1 Application LED 4 x three-colour LED (R/G/B) for APP0, APP1, APP2 and APP3, programmable ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 2...
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Output, external, dual channel <1�0 x 10 Lifetime: 20 years Other characteristic values: see SISTEMA library at ifm�com for download ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice!
ISO 16750-5 AA, BA, BD, CC, DB, DC, DD, only one chemical permitted at a time ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 4...
≤ 30 kHz Switch-on level > 0�7 VBB Switch-off level < 0�3 VBB Accuracy ± 10 µs ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 5 22/01/2020...
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Accuracy B ± 1 % FS Range diagnostics min�/max� 1 V / 0�95 VBB (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 6 22/01/2020...
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(CSI) pulse width modulation current-controlled resistor input supply output group 0���5 supply controller ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 7 22/01/2020...
± 1�5 % FS (for inductive loads) Range diagnostics min�/max� 0 A / 4 A (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 8...
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Resolution 1 ‰ (at 20���250 Hz) Range diagnostics min�/max� 0 A / 2�5 A (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 9 22/01/2020...
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1 ‰ FS (at 20���250 Hz) Range diagnostics min�/max� 0 A / 2�5 A (default) ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 10 22/01/2020...
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(CSO) pulse-width modulation low side (CSI) pulse-width modulation current-controlled supply output group 0���5 supply controller ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 11 22/01/2020...
1-81: see wiring ST B EPS Sou EPS So Product Product Frame S Frame S ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! CR721S / page 12 22/01/2020...
9 Maintenance, repair and disposal The device is maintenance-free� ► Contact ifm in case of malfunction� ► Do not open the housing as the device does not contain any components which can be maintained by the user� The device must only be repaired by the manufacturer�...
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