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Technical data

3RG78 41 light curtains for Category 2 acc. to EN 954-1

3RG78 42 light curtains and light arrays for Category 4 acc. to EN 954-1

Safety category acc. to EN,

IEC 61496-1, -2

Type 2 (testable)

in combination with an external

evaluation unit of Type 2 (SIGUARD

3RG78 47 evaluation unit)

Protective field depth

•for 30 mm resolution 150 to 2400 mm

•for 55 mm resolution

300 to 2400 mm

•for 80 mm resolution

450 to 2400 mm

Protective field width, range

0.3 to 6 m

Detection capability

(resolution)

30 mm, 55 mm or 80 mm

Response time

(from interruption of protective field until

safety outputs switch off)

The response time is dependent on

the height of the protected field

(for precise response times, see

the operating instructions)

•for 30 mm resolution

8 to 29 ms

•for 55 mm resolution

8 to 19 ms

•for 80 mm resolution

8 to 15 ms

Reactivation time

(from enabling the

protective field until safety outputs switch

on)

0.5 ms for all resolutions

(for extremely brief interruptions of

the protective field, the OSSD

output remains switched off for at

least 100 ms)

Supply voltage

DC 24 V ± 20%

(external power pack with safe

isolation from the supply and 20 ms

bridging of supply failures

Current consumption

•Transmitter 75 mA

•Receiver

75 mA (without load)

Protection class I

OSSD output

pnp output, short-circuit proof,

max. 100 mA

Pollution output and fault signalling

output

pnp output, short-circuit proof,

max. 70 mA

Diagnostics interface, receiver

RS 485

Transmitter test input

+24 V = no test,

0 V or high-resist. = test

via floating NC cont. or pnp output

(sign. for test tripping min. 20 ms)

Te st execution time

10 ms

Operating mode

Protection mode without activation

and reactivation inhibit

Synchronisation

transmitter/receiver

Optical synchronisation,

2 comm. channels selectable

Ambient temperature

•Operation 0 to +55 °C

•Storage

–25 to +75 °C

Air humidity

15 to 95 % (no condensation)

Degree of protection

IP 65

Electrical connection

M12 circular connector, 8-pin

Connecting cable

7-core, 0.25 mm

, shielded with

integrally extruded connector,

length 5 m or 15 m (see access.)

Dimensions

•Cross-section 17 mm × 33 mm

•Length (with/and connection area)

Protective field height + 96 mm

Safety category acc. to EN,

IEC 61 496-1, -2

Typ e 4 (self-monitoring)

Protective field depth

•for 14 and 30 mm resolution 150 to 1800 mm

•for 50 mm resolution

450 to 1800 mm

•for 90 mm resolution

750 to 3000 mm

Protective field width, range

•for 14 mm resolution 0.3 to 6 m

•for 30, 50 and 90 mm resolution

0.8 to 18 m

•for light array (18 m type)

0.8 to 18 m

•for light array (60 m type)

6.0 to 60 m

Detection capability (resolution)

14 mm, 30 mm, 50 mm, 90 mm

or whole person with 2, 3 or 4

beams

Response time

(from interruption of protective field until

safety outputs switch off)

The response time rises with

the number of beams

(for precise response times, see

the technical instructions)

•14 mm

7 to 39 ms (d-scan: 10 to 78 ms)

•30 mm

7 to 20 ms (d-scan: 10 to 39 ms)

•50 mm

17 ms (d-scan: 33 ms)

•90 mm

13 ms (d-scan: 20 ms)

•2-, 3-, 4-beam

5 ms (d-scan: 8 ms)

Reactivation time

(from enabling the protective field until

safety outputs switch on)

0.5 ms for all resolutions

(for extremely brief interruptions of

the protective field, the safety

outputs remain switched off for at

least 100 ms)

Supply voltage

DC 24 V ± 20%

(external power pack with safe

isolation from the supply and 20 ms

bridging of supply failure

Current consumption

•Transmitter 75 mA

•Receiver

180 mA (without load)

Safety outputs 2 failsafe pnp outputs with

crossover monitoring

• U

amin

= U

vers

–2.7 V, I

amax

0.3 A

•Peak current

0.4 A

•Continuous current at 35 °C

0.3 A

•Continuous current at 55 °C

0.22 A

•Max. capacitive load per output

0.3 µF (Channel 2: 0,1 µF)

Pollution output and fault signalling

output

pnp output, short-circuit proof,

max. 70 mA

Safety and diagnostic interface

RS-485, 57.6 Kbaud

Transmitter test input

Closed-circuit principle,

minimum opening time 50 ms

Operating mode

Protection mode without

reactivation inhibit

Synchronisation transmitter/receiver

Optical synchronisation,

2 comm. channels selectable

Infrared light interference suppression

2 techniques selectable

•standard

high suppression

•d-scan

extremely high suppression

(response time rises with devices

with more than 15 beams)

Ambient temperature

•Operation 0 to +55 °C

•Storage

–25 to +70 °C

Air humidity

15 to 95%

Degree of protection

IP 65

Electrical connection

Via Pg 13.5 screw terminals and

plug-in connection

Connecting cable

•Transmitter 7-core, 0.5 mm

(max. 1.0 mm

)

•Receiver

7-core, 0.5 mm

(max. 1.0 mm

)

(shielded if necessary)

Cable length

max. 100 m for 1.0 mm

Dimensions

•Cross-section 55 mm × 52 mm

•Length

234 to 3084 mm depending on

protective field height

Introduction

SIGUARD Safety Systems—Safety Integrated

3RG784 SIGUARD Safety Light Curtains and Light Arrays

Siemens Energy & Automation, Inc.

Industrial Controls Catalog

09_Sec (097-128).qxd 07/28/03 02:28 PM Page 9/100

Sold by AA Electric 1-800-237-8274 Lakeland, NJ • Lawrenceville, GA • Greensboro, NC • East Rutherford, NJ www.A-Aelectric.com

1 2 3 4 5 6 7 8 9

Résumé du contenu

Page 1 - Introduction

9/100 Technical data3RG78 41 light curtains for Category 2 acc. to EN 954-13RG78 42 light curtains and light arrays for Category 4 acc. to EN 954-1Saf

Page 2

9/101 Technical data3RG78 47–4BB standard evaluation unit3RG78 47 intelligent evaluation unitsSafety cat. acc. to EN 954-1 Category 4 STOP cat. acc. t

Page 3 - 3RG78 41 light curtains

9/102 Selection and ordering data AccessoriesProtective field heightStandard light curtains, host units with guest connection, guest units Weight app

Page 4 - 3RG78 42 light curtains

9/103 Selection and ordering dataProtective field heightStandard light curtains, host units with guest connection Weight approx.with 14 mm resolution

Page 5

9/104 Selection and ordering dataProtective field heightStandard light curtains, host units with guest connection, guest units Weight approx.with 50 m

Page 6 - 3RG78 47 evaluation units

9/105 Selection and ordering dataDesign Relay output Price Semiconductor outputPrice Weightapprox.Order No. 1 unit Order No. 1 unit kgEvaluation units

Page 7 - 3RG78 48 accessories

9/106 AccessoriesLength Order No. Price Weightapprox.mm1 unit kgMounting columns for 3RG7842 / 441060 3RG78 48–0CL1360 3RG78 48–0CP1660 3RG78 48–0CR19

Page 8 - Industrial Controls Catalog

9/109 Dimension drawings3RG78 41-3..0 standard light curtains 3RG78 41-3..1 host with guest connection3RG78 42-4..0 standard light curtains3RG78 42-4

Page 9 - Swivel angle

9/110 Dimension drawingsEvaluation unitsAccessories3RG78 47-4BB 3RG78 47-4.D/E/H/J 3RG78 47-4.F/G/K/LNSC0039522,5AA35NSC00490AAA52,5NSC00491111113,699

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Siemens EF 784 Series Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Plaques chauffantes Siemens EF 784 Series. SIGUARD Safety Systems—Safety Integrated Manuel d'utilisatio

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