Rowan Elettronica C350 Series Safety Manual
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Rowan Elettronica C350 Series Safety Manual

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Rev.2
Safety Manual C350 - C400 - C700
11/06/18
SAFETY MANUAL FOR
INVERTERS
C350, C400 AND C700 SERIES
"Safe Torque Off"
Motori, azionamenti, accessori e servizi per l'automazione
Via U. Foscolo 20 - 36030 CALDOGNO (VICENZA) -
ITALY
Tel: 0039 0444 - 905566
Fax: 0039 0444 - 905593
Email: info@rowan.it http:// www.rowan.it
Share Capital Euro 78.000,00 fully paid-up
C.F./P.IVA and Italian Business Register
IT 00673770244

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  • Page 1 Rev.2 Safety Manual C350 - C400 - C700 11/06/18 SAFETY MANUAL FOR INVERTERS C350, C400 AND C700 SERIES "Safe Torque Off" Motori, azionamenti, accessori e servizi per l'automazione Via U. Foscolo 20 - 36030 CALDOGNO (VICENZA) - ITALY Tel: 0039 0444 - 905566 Fax: 0039 0444 - 905593 Email: info@rowan.it http:// www.rowan.it Share Capital Euro 78.000,00 fully paid-up...

  • Page 2: Table Of Contents

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 2 / 12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY INDEX WARNINGS ....................page 3 1.1 Description of the symbols used in this manual ......... page 3 1.2 Important safety and risk assessment warnings ....... page 3 DEFINITIONS ....................

  • Page 3: Warnings

    The Safe Torque Off (STO) safety function is certified by Underwrites Laboratories (UL). ROWAN ELETTRONICA s.r.l. declines all responsibility for any inaccuracies contained in this manual due to printing and/or transcription errors. It also reserves the right to make, at its own discretion and without notice, any changes it deems necessary for the best functioning of the product.
  • Page 4 In the C350 series inverters, if parameter 100.9 POWER LOSS CONTROL is active (set to YES), when there is a voltage dip or no signal or a phase failure,...

  • Page 5: Definitions

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 5 /12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY DEFINITIONS Definitions are given in IEC 61800-5-1 and IEC 61800-5-2. PDS (Power Drive System): electric drive, system for controlling the speed of an electric engine, including the CDM and the motor, but not the driven equipment (see fig.1).

  • Page 6: The Sto Safety Function

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 6 / 12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY THE STO SAFETY FUNCTION (Safe Torque Off) Rowan inverters integrate the STO safety function, so that they can be used to create a PDS(SR). The STO safety function is a function that allows you to implement an EMERGENCY RESPONSE with safe inhibition of engine torque, in which case the engine becomes free to rotate based on its own inertia and load (uncontrolled stop, in accordance with stop category 0 according to IEC...

  • Page 7: Connections For The Sto Safety Function

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 7 /12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY CONNECTIONS FOR THE STO SAFETY FUNCTION The inverters of the C350, C400 and C700 series, which integrate the STO safety function, have - on the terminal box panel - a terminal dedicated to the connection to the safety device that will activate the STO function.
  • Page 8 SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 8 / 12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY Rowan inverters with STO safety function leave the factory with terminals STO1 and STO2 bridged together to allow the inverter to operate even when the STO safety function is not used. To use the STO safety function, remove the connection jumper between STO1 and STO2 and connect the terminals to the safety device with section shielded bipolar cable of not less than and a length of not more than 15m, the shielding must be connected to the ground.

  • Page 9: Example Of The Connection To The Safety Module

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 9 /12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY 4.1 Example of connection to the security module An example of how to connect the inverter to the safety system of a plant to implement an STO safety function is shown below.

  • Page 10: Latency And Recovery Times Of The Sto Function

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 10 / 12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY 4.2 Latency and reset times of the STO function The latency time of the STO function of the inverter is the time that elapses between the opening of the safety contact and the actual interruption of the PWM modulation to the IGBTs of the inverter, i.e.

  • Page 11: Inverter Coding System With Sto Function

    SECURITY MANUAL FOR PAGE Via Ugo Foscolo, 20 11 /12 C350, C400 and C700 36030 - CALDOGNO - VICENZA - ITALY When this contact is closed, the FAULT led stops flashing and after 2s the gear (RUN) returns active if the gear commands have remained active. In any case, opening the contact brings to 1 the bit15 of STATUS OF PHYSICAL DIGITAL INPUTS in the C400 and C700 inverters, and the bit15 of var.6.22 DIG.INPUT I1..8 in the C350 inverter;...
  • Page 12 Motors, drives, accessories and services for automation Via U. Foscolo 20 - 36030 CALDOGNO (VICENZA) - ITALY Tel: 0039 0444 - 905566 Fax: 0039 0444 - 905593 Email: info@rowan.it http:// www.rowan.it Share Capital Euro 78.000,00 fully paid-up C.F./P.IVA and Italian Business Register IT 00673770244...

This manual is also suitable for:

C400 seriesC700 series

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