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

2016-05-24

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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.

Specifications
Electrical
Power Supply:
Power Consumption:
Safety Inputs:
Max Input Resistance:
Outputs:
Output Rating AC:
Output Rating DC:
Min Switched Current/Voltage:
Impulse Withstand Voltage:
Max Drop-Out Time:
Max Output Fuse:
Reset Mode:
Contactor Monitoring:
Mechanical
Mounting:
Case Material:
Max Wire Size:
Weight:
Color:
External Switches:
Indication:
Mechanical Life:
Environmental
Enclosure Protection:
Operating Temperature:

R

C

All Models
SR103AM01
SR103AM02
±10%, 50-60 Hz
24 VAC/DC
115 VAC
Approx. 1 VA
1 N/C or 2 N/C or 2 solid state (light curtain)
800 Ohms per channel
3 N/O + 1 N/C auxiliary
Inductive AC-15, 3 A/230 VAC
Inductive DC-13, 2 A/24 V
10 mA/10 V
2500 V
12 ms (75 ms by removing supply voltage)
6 A quick-acting or 4 A slow-acting
Monitored manual (S11-S21) or automatic/manual (S12-S21)
N/C loop S11/S12-S21

US

Conforms to EN60439-1, EN60947-1/5/7,
EN61000-6, EN62061, EN ISO 13849-1
UL and C-UL listed
TÜV Rheinland approved

35 mm (1.38 in.) DIN rail
Fiber-filled Polyamide PA6.6
1 x 2.5 mm 2 (14 AWG) stranded
230 g (8.1 oz.)
Red
None
Green = K1 Closed, Green = K2 Closed
1 x 10 7 operations
IP20 terminals, IP40 (NEMA 1) housing
24 VAC/DC: -15 to 40°C (5 to 104°F)
115 VAC: -15 to 40°C (5 to 104°F)
-25° to 70°C (-13 to 158°F)
93% RH at 104°C (219°F)

Storage Temperature:
Humidity:
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.

www.omron247.com

1

SR103AM

Safety Monitoring Relays

Application
Output Contact Arrangements

Terminal Pin Assignments
14

S12

A1

13

24

S13

S11

23

34

S10

S14

33

42

A2

S21

41

SR103AM

Terminal Connections
13
A1

23

33

S13
SAFETY
OUTPUT 1
N/O

SUPPLY

A2

41

S11
SAFETY
OUTPUT 2
N/O

INPUT #1
N/C

S21
SAFETY
OUTPUT 3
N/O

INPUT #2
N/C

S10

S12

14

EDM AND
RESET

AUXILIARY
SIGNALING
N/C

S12
34

24

42

24VAC/DC, 110VAC
K1 (AUX)
START
MOMENTARY
PUSH
BUTTON

EB SERIES
LATCHING
E-STOP
BUTTON

GUARD
CLOSED

A1

11

12

21

22

33

S11

S21

L1 L2 L3

K2 (AUX)
STOP
MOMENTARY
PUSH
BUTTON

S12

S14

13

RESET

23

33

41

K1

Relay control and
fault monitoring

Power supply
(S11 = 24 V)

+

K2

K2

34

MOMENTARY
PUSH
BUTTON

CONTACT
PROTECTION
E.G. THERMAL
CUT OUT

+
K1

T5009
INTERLOCK
SWITCH

SR103AM
A2

S10

S13

14

24

FUSE

FUSE
K1

2

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34

K2

42

M

SR103AM

Safety Monitoring Relays

Application (continued)
MS4600 Connected to SR103AM
(MPCE monitoring disabled)

OSSD1

-

Start

MS4600 Receiver

Power
Supply
24 VDC

+

MS4600 Transmitter

OSSD2

A1

S11

S21
SR103AM

A2

S10

S13

MCPE
Input to 0 V
MCPE
off

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S12

S14

MPCE Monitoring “Disabled”
The start switch shown connected between 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 monitoring 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 Monitoring 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.)

3

SR103AM

Safety Monitoring Relays

Block Diagram
A1

S11

S21

A2

A2

L1

S10

33

41

14

24

34

42

K1

+

DC +U B 0V
AC

23

+

Pin assignment
A1

13

Relay control and
fault monitoring

Power supply
(S11=24V)

UB

S14

S12

K2

N

S13

Dimensions	

(mm/in.)

SR103AM
114
4.5

22.5
0.885

99
3.9

35
DIN RAIL MOUNTING
1.38

Ordering
Model

4

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

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Keywords                        : SR103AM Dual Channel Safety Monitoring Relay, STI, 1 or 2 NC inputs, 3 NO outputs, 1 NC auxiliary output, External Device Monitoring (EDM) is provided with a NC loop between S11/S12 and S21 terminals
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Title                           : SR103AM Dual Channel Safety Monitoring Relay Data Sheet
Description                     : SR103AM Dual Channel Safety Monitoring Relay
Creator                         : OMRON
Subject                         : SR103AM Dual Channel Safety Monitoring Relay, STI, 1 or 2 NC inputs, 3 NO outputs, 1 NC auxiliary output, External Device Monitoring (EDM) is provided with a NC loop between S11/S12 and S21 terminals
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