SR103AM Dual Channel Safety Monitoring Relay Data Sheet Datasheet En 201408 J52I E 01

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Safety Monitoring Relays

SR103AM

Dual-Channel Safety Monitoring Relay

• Power requirements—the SR103AM will accept 24 VAC/DC or 115 VAC

• Inputs—the SR103AM will accept single or dual N/C inputs or dual inputs from

a light curtain

• Outputs—the SR103AM has 3 N/O outputs to route power to the coils of power

contactors, plus 1 N/C auxiliary output for signaling purposes

• External Device Monitoring (EDM) is provided with a N/C loop between S11/S12

and S21 on the SR103AM

• Monitored manual or automatic/manual reset modes are available on the

SR103AM. Monitored manual reset requires closure of the reset circuit followed

by opening of the circuit. Reset occurs when circuit is opened. Auto reset

requires only closure of the reset circuit as reset occurs when circuit is closed.

Conforms to EN60439-1, EN60947-1/5/7,

EN61000-6, EN62061, EN ISO 13849-1

UL and C-UL listed

TÜV Rheinland approved

Specifications

Electrical All Models SR103AM01 SR103AM02

Power Supply: ±10%, 50-60 Hz 24 VAC/DC 115 VAC

Power Consumption: Approx. 1 VA

Safety Inputs: 1 N/C or 2 N/C or 2 solid state (light curtain)

Max Input Resistance: 800 Ohms per channel

Outputs: 3 N/O + 1 N/C auxiliary

Output Rating AC: Inductive AC-15, 3 A/230 VAC

Output Rating DC: Inductive DC-13, 2 A/24 V

Min Switched Current/Voltage: 10 mA/10 V

Impulse Withstand Voltage: 2500 V

Max Drop-Out Time: 12 ms (75 ms by removing supply voltage)

Max Output Fuse: 6 A quick-acting or 4 A slow-acting

Reset Mode: Monitored manual (S11-S21) or automatic/manual (S12-S21)

Contactor Monitoring: N/C loop S11/S12-S21

Mechanical

Mounting: 35 mm (1.38 in.) DIN rail

Case Material: Fiber-filled Polyamide PA6.6

Max Wire Size: 1 x 2.5 mm 2 (14 AWG) stranded

Weight: 230 g (8.1 oz.)

Color: Red

External Switches: None

Indication: Green = K1 Closed, Green = K2 Closed

Mechanical Life: 1 x 10 7 operations

Environmental

Enclosure Protection: IP20 terminals, IP40 (NEMA 1) housing

Operating Temperature: 24 VAC/DC: -15 to 40°C (5 to 104°F)

115 VAC: -15 to 40°C (5 to 104°F)

Storage Temperature: -25° to 70°C (-13 to 158°F)

Humidity: 93% RH at 104°C (219°F)

Compliance

Standards: EN60439-1, EN60947-1/5/7, EN61000-6, EN62061, EN ISO 13849-1

Approvals/Listings: CE marked for all applicable directives, UL and C-UL, TÜV Rheinland

Specifications are subject to change without notice.

Note:

The safety contacts of the STI switches are described as normally closed (N/C)—i.e., with the guard closed,

actuator in place, and the machine able to be started.

R

C US

2

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Application

S21

S12

41

42

AUXILIARY

SIGNALING

N/C

EDM AND

RESET

A1

A2

SUPPLY

13

14

S13

S10

INPUT #1

N/C

23

24

SAFETY

OUTPUT 2

N/O

SAFETY

OUTPUT 1

N/O

S11

S12

INPUT #2

N/C

33

34

SAFETY

OUTPUT 3

N/O

Output Contact Arrangements

Terminal Connections

SR103AM

Terminal Pin Assignments

A1

S11

S14

S21

13

23

14

24

S10

A2

S12

S13

34

42

33

41

24VAC/DC, 110VAC

11 21 33

12 22 34

T5009

INTERLOCK

SWITCH

K1 (AUX)

K2 (AUX)

START

MOMENTARY

PUSH

BUTTON

STOP

MOMENTARY

PUSH

BUTTON

FUSE

K1 K2

M

K1

K2

L1 L2 L3

CONTACT

PROTECTION

E.G. THERMAL

CUT OUT

RESET

MOMENTARY

PUSH

BUTTON

EB SERIES

LATCHING

E-STOP

BUTTON

Relay control and

fault monitoring

Power supply

(S11 = 24 V)

K2

K1

A2

A1 S11 S21 13 23

14 24

+

+

SR103AM

S10 S13

S12 S14

FUSE

33

34

41

42

GUARD

CLOSED

SR103AM Safety Monitoring Relays

3

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SR103AM Safety Monitoring Relays

Application (continued)

MPCE Monitoring “Disabled”

The start switch shown connected be-

tween S11 and S21 provides a monitored

manual start function. Switch must be

closed and then opened to activate a start.

For auto-start, connect a wire between S21

and S12 and no connection between S11

and S21.

If the MPCE function is not being used on

the MS4600 light curtain, the function must

be “disabled”, and the MPCE input wire

must be connected to 0 V (GND).

MPCE Monitoring “Enabled”

When using an SR103AM with an MS4600

light curtain, MPCE monitoring may be

performed through the safety monitor-

ing relay using terminals S12, S21. This

method of MPCE monitoring only allows

for Auto Restart/Manual Restart Mode of

the safety monitoring relay. If Monitored

Manual Restart Mode with MPCE Monitor-

ing is desired, the MPCE Monitoring must

be enabled and performed through the

MS4600 light curtain. Place wire jumper

between terminals S12, S21of the safety

monitoring relay. Configure the MS4600

for Start/Restart Interlock Mode. The

Monitored Manual Reset is now controlled

through the MS4600 light curtain. (See

MS4600 Manual for configuration and

wiring details of MS4600 light curtain.)

MS4600 Connected to SR103AM

(MPCE monitoring disabled)

+

-

OSSD1

OSSD2

MCPE

Input to 0 V

Start

A1

MCPE

off

Power

Supply

24 VDC

SR103AM

MS4600 Receiver

MS4600 Transmitter

A2 S10 S13

S11 S21 S12 S14

4

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Ordering

Model Supply Inputs Outputs Auxiliary Part No.

SR103AM01 24 VAC/DC 2 N/C 3 N/O 1 N/C 44510-1031

SR103AM02 115 VAC 2 N/C 3 N/O 1 N/C 44510-1032

SR103AM

DIN RAIL MOUNTING

35

1.38

99

3.9

114

4.5

22.5

0.885

SR103AM Safety Monitoring Relays

Dimensions (mm/in.)

Relay control and

fault monitoring

Power supply

(S11=24V)

A2 14 24

A1 S11 S21

K1

K2

+

+

13 23

A1 A2

DC

U

B

+U

B

0V

AC L1 N

Pin assignment

S10 S13

S12 S14

34 42

33 41

Block Diagram

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