Schneider Electric Altivar 32 Manuel d'installation télécharger pdf (Page 23)

Technical data

S1A28686 03/2010 23

Diagram with Preventa safety module

Connection diagrams conforming to standards EN 954-1 category 3 and IEC/EN 61508 capacity SIL2, stopping

category 0 in accordance with standard IEC/EN 60204-1.

The connection diagram below is suitable for use with machines with a short freewheel stop time (machines with

low inertia or high resistive torque).

When the emergency stop is activated, the drive power supply is cut immediately and the motor stops in

freewheel, according to category 0 of standard IEC/EN 60204-1.

A contact on the Preventa XPS AC module must be inserted in the brake control circuit to engage it safely when

the STO (Safe Torque Off) safety function is activated.

(1) Line choke (if used)

(2) It is essential to connect the shielding to the ground.

(3) Fault relay contacts, for remote signaling of drive status

The STO safety function integrated into the product can be used to implement an "EMERGENCY STOP"

(IEC 60204-1) for category 0 stops.

With an additional, approved EMERGENCY STOP module, it is also possible to implement category 1 stops.

STO function

The STO safety function is triggered via 2 redundant inputs. The circuits of the two inputs must be separate so

that there are always two channels. The switching process must be simultaneous for both inputs (offset < 1 s).

The power stage is disabled and an error message is generated. The motor can no longer generate torque and

coasts down without braking. A restart is possible after resetting the error message with a "Fault Reset".

The power stage is disabled and an error message is generated if only one of the two inputs is switched off or if

the time offset is too great. This error message can only be reset by switching off the product.

U / T1

V / T2

W / T3

R / L1

3 a

S / L2

T / L3

P24

STO

A1A2 23 33Y2 13

14 24 34

Y43

Y44

K2K1

48 V, 115 V, 230 V

ESC

XPS AC

L1(+)

N(-)

(1)

(2)

(3)

R1A

R1C

R1B

LI1

LI2

PBe

PA/+

PC/-

ATV32

Logic

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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Schneider Electric Altivar 32 Manuel d'installation Page 23

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