Omron G7SA User manual

132

Safety Relay G7SA

Slim Safety Relays Conforming to EN

Standards

The forcibly guided contact in the G7SA assures

safe operation (EN50205 Class A, approved by

VDE.)

Ideal for use in safety circuits in press machinery,

machine tools, and other production machinery.

Four-pole and six-pole Relays are available.

The Relay’s terminal arrangement simplifies PWB

pattern design.

Reinforced

insulation between inputs and outputs.

Reinforced insulation between some poles.

UL, CSA approval.

CE marking.

Note: Be

sure to refer to the

Precautions

on page

131.

VDE

Ordering Information

Safety Relays

Type Sealing Poles Contacts Rated

voltage

Model

Standard Flux-tight

4 poles

3PST-NO, SPST-NC 24 VDC G7SA-3A1B

S a da d

oes

DPST-NO, DPST-NC

G7SA-2A2B

6 poles

5PST-NO, SPST-NC G7SA-5A1B

6oes

4PST-NO, DPST-NC G7SA-4A2B

3PST-NO, 3PST-NC G7SA-3A3B

Safety Relay Sockets

Type LED

indicator

Poles Rated

voltage Model

Track-mounting T

rack mounting and screw mounting

ibl

4 poles

--- P7SA-10F

ac ou g

ac ou g a d sc e ou g

possible

6 poles

P7SA-14F

Yes

4 poles

24 VDC P7SA-10F-ND

6 poles

P7SA-14F-ND

Back-mounting

PCB terminals

4 poles

--- P7SA-10P

ac ou g

Ce as

6 poles

P7SA-14P

Model Number Legend

G7SA-jAjB

1. NO

Contact Poles

2: DPST-NO

3: 3PST-NO

4: 4PST-NO

5: 5PST-NO

2. NC Contact Poles

1: SPST-NC

2: DPST-NC

3: 3PST-NC

G7SA G7SA

133

Specifications

Ratings

Coil

Rated

voltage Rated

current

Coil resistance

Must-operate

voltage Must-release

voltage Max.

voltage

Power consumption

24 VDC

4 poles: 15 mA

6 poles: 20.8 mA

4 poles: 1,600

Ω

6 poles: 1,152

Ω

75% max. (V)

10% min. (V)

10% (V)

4 poles:

Approx. 360 mW

6 poles: Approx. 500 mW

Note: 1.

The rated current and coil resistance are measured at a coil temperature of 23

C with tolerances of

±15%.

Performance characteristics are based on a coil temperature of 23

°C.

3. The

value given for the maximum voltage is for voltages applied instantaneously to the Relay coil (at an ambient temperature of

23°C)

and not continuously

Contacts

Load

Resistive load (cos

=1)

Rated load

6 A at 250 V

AC, 6 A at 30 VDC

Rated carry current

6 A

Max. switching voltage

250 V

AC, 125 VDC

Max. switching current

6 A

Max. switching capacity (reference value)

1,500 V

A, 180 W

Characteristics

Safety Relay Sockets

Model Continuous

current

Dielectric strength

Insulation resistance

P7SA-14j

6 A (see note 1)

2,500 V

AC for 1 min. between poles

100 M

Ω

min. (see note 2)

Note: 1.

If the P7SA-1

F is used between 55 and 85

C, reduce the continuous current (from 6A) by 0.1 A for every degree.

Measurement conditions: Measurement of the same points as for the dielectric strength at 500 VDC.

When using the P7SA-1

F-ND at 24 VDC, use at an ambient operating temperature from –25 to 55

°C.

Safety Relays

Contact

resistance

100 m

Ω

max. (The contact resistance was measured with 1 A at 5 VDC using the

voltage-drop method.)

Operating time (see note 2)

20 ms max.

Response time (see note 2) 10 ms max. (The response time is the time it takes for the normally open contacts to open

after the coil voltage is turned OFF

Release time (see note 2)

20 ms max.

Maximum operating

Mechanical

36,000 operations/hr

a u ope a g

frequency

Rated load

1,800 operations/hr

Insulation resistance

100 M

Ω

min. (at 500 VDC)

(The insulation resistance was measured with a 500-VDC megger at the same places that the

dielectric strength was measured.)

Dielectric strength (see notes 3, 4)

Between coil contacts/dif

ferent poles: 4,000 V

AC, 50/60 Hz for 1 min

(2,500 V

AC between poles 3–4 in 4-pole Relays or poles 3–5, 4–6, and 5–6 in 6-pole Relays.)

Between contacts of same polarity: 1,500 VAC, 50/60 Hz for 1 min

ibration resistance

10 to 55 Hz, 1.5-mm double amplitude

Shock resistance

Destruction

1,000 m/s

Soc essace

Malfunction

100 m/s

Life expectancy

Mechanical

10,000,000 operations min. (at approx. 36,000 operations/hr)

e e pec a cy

Electrical

100,000 operations min. (at the rated load and approx. 1,800 operations/hr)

Min. permissible load (see note 5)

(reference value)

5 VDC, 1 mA

Ambient temperature (see note 6)

Operating: –40°

C to 85

C (with no icing or condensation)

Storage: –40°

C to 85

C (with no icing or condensation)

Ambient humidity

Operating:

35% to 85%

Storage:

35% to 85%

Weight

4 poles: Approx. 22 g

6 poles: Approx. 25 g

Approved standards

EN61810-1 (IEC61810-1), EN50205, UL508, CSA22.2 No. 14

Note: 1.

The values listed above are initial values.

G7SA G7SA

134

These times were measured at the rated voltage and an ambient temperature of 23

C. Contact bounce time is not included.

3. Pole

3 refers to terminals 31–32 or 33–34, pole 4 refers to terminals 43–44,

pole 5 refers to terminals 53–54, and pole 6 refers to

terminals

63–64.

When using a P7SA Socket, the dielectric strength between coil contacts/dif

ferent poles is 2,500 V

AC, 50/60 Hz for 1 min.

Min. permissible load is for a switching frequency of 300 operations/min.

6. When

operating at a temperature between 70

C and 85

C, reduce the rated carry current (6 A at 70

C or less) by 0.1 A for

each

degree

above 70

°C.

Dimensions

Note:

All units are in millimeters unless otherwise indicated. The diagrams are drawn in perspective.

Safety Relays

G7SA-3A1B

G7SA-2A2B

Terminal

Arrangement/

Internal

Connection Diagram

(Bottom

iew)

G7SA-3A1B

G7SA-2A2B

Printed

Circuit

Board

Design

Diagram

(Bottom View)

G7SA-5A1B

G7SA-4A2B

G7SA-3A3B

erminal Arrangement/

Internal

Connection

Diagram

(Bottom

iew)

G7SA-5A1B

G7SA-4A2B

Printed Circuit Board

Design

Diagram

(Bottom View)

G7SA-3A3B

max.

0.5

3.5

13 max.

24 max.

Ten, 1.4 dia.

50 max.

0.5

3.5

13 max.

24 max.

Fourteen, 1.4 dia.

(±0.1 tolerance)

Note: Terminals 23-24, 33-34, and 43-44 are nor-

mally open. Terminals 11-12 and 21-22 are

normally

closed.

Note: Terminals

23-24, 33-34, 53-54, and 63-64

are

normally open. Terminals 11-12, 21-22, and

31-32

are normally closed.

G7SA G7SA

135

Safety Relay Sockets

Track-mounting Socket

P7SA-10F, P7SA-10F-ND

Terminal

Installation/Internal Connection Diagram

op V

iew)

G7SA-3A1B

Mounted G7SA-2A2B

Mounted

Mounting Hole Placement Diagram

op V

iew)

Two, 4 dia. or M3.5

4 dia.

22.5 max. 60.5 max.

9 max.

72 max.

LED

indicator

9 max.

Track-mounting Socket

P7SA-14F, P7SA-14F-ND Terminal

Arrangement/Internal Connection Diagram

op V

iew)

Mounting Hole Placement Diagram

op V

iew)

G7SA-5A1B

Mounted G7SA-4A2B

Mounted G7SA-3A3B

Mounted

4 dia.

30 max. 60.5 max.

9 max.

72 max.

LED

indicator

9 max.

Two, 4 dia. or M3.5

Note: The socket is shown with

the finger cover removed.

Note: The socket is shown with

the finger cover removed.

Note: Only the -ND Sockets have LED indicators.

Ten, M3

Fourteen,

* This display circuit is

available only for

“-ND” models.

Note: Terminals 23-24,

33-34, and 43-44

are normally

open. Terminals

11-12 and 21-22

are normally

closed.

* This display circuit is

available only for

“-ND” models.

Note: Terminals 23-24,

33-34, 43-44,

53-54, and 63-64

are normally

open. Terminals

11-12, 21-22, and

31-32 are normal-

ly closed.

G7SA G7SA

136

P7SA-10P Back-mounting Socket (for PCB)

Terminal Arrangement/Internal

Connection

Diagram

(Bottom View)

Mounting Hole Placement

(Bottom View)

G7SA-3A1B

Mounted

G7SA-2A2B

Mounted

Three, 3.2 dia.

(for M3 tapping screws)

Three, 2.6 dia.

(for M3 tapping screws)

50 max.

41.5 max.

Ten, 1.1 dia.

15 max. (±0.1 tolerance)

Note: Terminals

23-24, 33-34, and 43-44 are normally open. T

erminals 1

1-12 and 21-22

are normally closed.

P7SA-14P Back-mounting Socket (for PCB)

Terminal Arrangement/Internal

Connection

Diagram

(Bottom View)

Mounting Hole Placement

(Bottom View)

G7SA-5A1B

Mounted

G7SA-4A2B

Mounted

Three, 2.6 dia.

(for M3 tapping screws)

G7SA-3A3B

Mounted

Three, 3.2 dia.

(for M3 tapping

screws)

60 max.

41.5 max.

15 max.

(±0.1 tolerance)

Fourteen,

1.1 dia.

Note: Terminals

23-24, 33-34, 43-44,

53-54, and 63-64 are normally open. T

erminals 1

1-12, 21-22,

and 31-32 are normally closed.

G7SA G7SA

137

Precautions

Safety Relays

Safety Relay is a Relay with which a safety circuit can be config

ured.

Wiring

Use one of the following wires to connect to the P7SA-10F/10F-

ND/14F/14F-ND.

Stranded

wire:

0.75 to 1.5 mm

Solid wire:

1.0 to 1.5 mm

Tighten each screw of the P7SA-10F/10F-ND/14F/14F-ND to a

torque

of 0.98 N

Sm securely.

Wire

the terminals correctly with no mistakes in

coil polarity

, other

wise

the G7SA will not operate.

Cleaning

The

G7SA

is not of enclosed construction. Therefore, do not wash

the

G7SA with water or detergent.

Forcibly Guided Contacts (from EN50205)

If an NO contact becomes welded, all NC contacts will maintain a

minimum distance of 0.5 mm when the

coil is not energized. Like

wise

if an NC contact becomes welded, all NO contacts will maintain

minimum distance of 0.5 mm when the coil is energized.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

convert millimeters into inches, multiply by 0.03937. T

o convert grams into ounces, multiply by 0.03527.

Cat. No. J120-E1-1A

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