SR108 SR109 Datasheet En 201408 J56I E 01

2016-05-24

: Pdf Sr108-Sr109 Datasheet En 201408 J56I-E-01 SR108-SR109_datasheet_en_201408_J56I-E-01 Spec Sheets Omron

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Safety Monitoring Relays
SR108AD & SR109AD
For full product information, visit www.sti.com. Use the SpeedSPEC Code for quick access to the specific web pae.
Conforms to EN62061, EN60947-5-1,
EN ISO 13849-1, EN ISO 13849-2
UL and C-UL listed
TÜV Rheinland approved
Dual-Channel Safety Monitoring Relay
Power requirements—the SR108AD and SR109AD will accept 24 VAC/DC
Inputs—the SR108AD and SR109AD will accept single or dual N/C inputs
or dual PNP solid-state inputs from a light curtain
Outputs—the SR108AD and SR109AD have a total of 4 N/O outputs with
3, 2 or 1 of the outputs with a time delay of 1-30 sec.
External Device Monitoring (EDM) is provided with a N/C loop between
S12 and S21 on the SR108AD and SR109AD
Reset mode—a monitored manual start or an auto/manual start may be
configured with the SR108AD and SR109AD. 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.
PLC Compatible—The N/O off delayed outputs make it possible to use the
SR108AD and SR109AD on machines with Programmable Logic Control-
lers that require some time to execute an orderly shutdown
Specifications
Electrical All Models SR108AD SR109AD
Power Supply: ±10%, 50-60 Hz, 24 VAC/DC
Power Consumption: 4.6 W
Safety Inputs: 1 N/C or 2 N/C
Max Input Resistance: 800 Ohms per channel
Outputs: 2 N/O + 2 N/O
delayed
3 N/O + 1 N/O
delayed
Auxiliary Outputs: None
Max Switched AC: Inductive AC-15, 3 A/250 VAC; Resistive AC-12, 8 A/250 V
Max Switched DC: Inductive DC-13, 3 A/24 VDC; Resistive DC-12, 8 A/50 V
Min Switched Current/Voltage: 10 mA/24 V
Impulse Withstand Voltage: 2500 V
Max Drop-Out Time: 10 ms (75 ms by removing supply voltage)
Max Output Fuse: 8 A quick-acting fuse or 6 A slow-acting fuse
Start Mode: Monitored manual (S11-S21) or auto/manual (S12-S21)
External Device Monitoring (EDM): N/C loop between S12 and S21
Mechanical
Mounting: 35 mm (1.38 in.) DIN rail
Case Material: Polyamide PA6.6
Max Wire Size: 1 x 2.5 mm 2 (14 AWG) stranded
Weight: 250 g (8.8 oz.)
Color: Red
External Switches: Output delay adjustment (1 to 30 sec.)
Indication: 4, status displays for relays K1 to K4
Mechanical Life: 1 x 10 6 operations
Environmental
Enclosure Protection: IP20 terminals, IP40 (NEMA 1) housing
Operating Temperature: -15 to 40°C (-5 to 140°F)
Humidity: 93% RH at 104°C (219°F)
Compliance
Standards: EN62061, EN60947-5-1, EN ISO 13849-1, EN ISO 13849-2
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
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Terminal Connections and Output Contact Arrangements
24VAC/DC, 110VAC, 230VAC
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)
A2
A1 S11 S21 13 23
14
K1
K2
K3
K4
24
S10 S13
S12 S14
FUSE
37
38
47
48
GUARD
CLOSED
SR108 Timer
Pin Assignment
A2A1UB
0V+UB
DC
NL1AC
13
14
27
28
37
38
47
48
SR107AD
14
28
38
48
S12
S13
S10
A2
A1
S11
S14
S21
13
27
37
47
14
24
38
48
S12
S13
S10
A2
A1
S11
S14
S21
13
23
37
47
14
24
34
48
S12
S13
S10
A2
A1
S11
S14
S21
13
23
33
47
SR108AD
13
14
23
24
33
34
47
48
SR109AD
13
14
23
24
37
38
47
48
SR108AD & SR109AD Safety Monitoring Relays
Application
3
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Ordering
Model Supply Inputs Immediate Outputs Delayed Outputs Part No.
SR108AD01 24 VAC/DC 2 N/C 2 N/O 2 N/O 44510-1081
SR109AD01 24 VAC/DC 2 N/C 3 N/O 1 N/O 44510-1091
A2
A1 S11 S21 13 23
14 24
S10 S13
S12 S14 37
38
47
48
Relay control and
fault monitoring
Power supply
(S11 = 24 V)
K1
K2
K3
K4
SR108 Timer
Pin Assignment
A2A1UB
0V+UB
DC
NL1AC
Suitable for 35mm DIN rail
acc. to DIN EN 50022-35
114
4.49
22.5
0.885
99
3.9
SR108AD & SR109AD Safety Monitoring Relays
Dimensions (mm/in.)
Block Diagram
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