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10A
Safety module CS AR-24 / CS AR-25
Module for emergency stops and end
position monitoring for movable guards
Main features
•For safety applications up to SIL CL 3/PL e
•Input with 1 or 2 channels
•Choice between automatic start, manual start
(CS AR-24 only) or monitored start (CS AR-25
only)
•Reduced housing width of 22.5 mm
•4 NO safety contacts
•1 NC auxiliary contact
•Supply voltage:
24 Vac/dc
Utilization categories
Alternating current: AC15 (50…60 Hz)
Ue (V) 230
Ie (A) 3
Direct current: DC13 (6 oper. cycles/min.)
Ue (V) 24
Ie (A) 4
Technical data
Housing
Polyamide housing PA 66, self-extinguishing V0 acc. to UL 94
Protection degree: IP40 (housing), IP20 (terminal strip)
Dimensions: see page 295, design A
General data
SIL CL: up to SIL CL 3 acc. to EN 62061
Performance Level (PL): up to PL e acc. to EN ISO 13849-1
Safety category: up to cat. 3 acc. to EN ISO 13849-1
Safety parameters: see page 349
Ambient temperature: -25°C…+55°C
Mechanical endurance: >10 million operating cycles
Electrical endurance: >100,000 operating cycles
Pollution degree: external 3, internal 2
Impulse withstand voltage (U
Rated insulation voltage (U
Overvoltage category: II
Weight: 0.3 kg
Supply
Rated supply voltage (U
Max. DC residual ripple in DC: 10%
Supply voltage tolerance: ±15% of U
Power consumption AC: < 5 VA
Power consumption DC: < 2 W
Control circuit
Protection against short circuits: PTC resistance, Ih=0.5 A
PTC times: Response time > 100 ms, release time > 3 s
Maximum resistance per input:
Current per input: 30 mA (typical)
Min. duration of start impulse t
Response time t
Release time t
Release time in absence of power supply t
Simultaneity time t
: < 100 ms
A
: < 40 ms
R1
: unlimited
C
In compliance with standards:
EN 60204-1, EN ISO 13855, EN 1037, EN ISO 12100, EN ISO 13850, EN 60529,
EN 61000-6-2, EN 61000-6-3, EN 61326-1, EN 60664-1, EN 60947-1, EN ISO 13849-1,
EN ISO 13849-2, EN 62061, UL 508, CSA C22.2 n° 14-95
): 4 kV
imp
): 250 V
i
): 24 Vac/dc; 50…60 Hz
n
n
50
: > 100 ms
MIN
: < 170 ms
R
Quality marks and certificates:
EC type examination certificate: IMQ CP 432 DM
UL approval: E131787
CCC approval: 2013010305640211
EAC approval: RUC-IT.AД35.В.00454
Compliance with the requirements of:
Low Voltage Directive 2014/35/EU,
Machinery Directive 2006/42/EC,
EMC Directive 2014/30/EU
Code structure
CS AR-24V024
Start mode
24
manual or automatic start
25
monitored start
Connection type
V
Screw terminals
M Connector with screw terminals
X Connector with spring terminals
Output circuit
Output contacts: 4 NO safety contacts
1 NC auxiliary contact
Contact type: forcibly guided
Material of the contacts: gold-plated silver alloy
Maximum switching voltage: 230/240 Vac; 300 Vdc
Max. current per contact: 6 A
Conventional free air thermal current (Ith): 6 A
Max. total current Σ Ith
2
: 72 A
2
Minimum current: 10 mA
Contact resistance:
100 m
External protection fuse: 4 A
The number and the load capacity of output contacts can be increased by using expansion modules or
contactors. see page 241-250.
Supply voltage
024
24 Vac/dc
Features approved by UL
Rated supply voltage (Un): 24 Vac/dc; 50…60 Hz
Power consumption AC: < 5 VA
Power consumption DC: < 2 W
Maximum switching voltage: 230 Vac
Max. current per contact: 6 A
Utilization category C300
Notes:
- Use 60 or 75 °C copper (Cu) conductors, rigid or flexible, wire size 30-12 AWG.
- Tightening torque for terminal screws of 5-7 lb in.
- Only for 24 Vac/dc versions: power supply only with class 2 sources or with
limited voltage and energy. (Supply from Remote Class 2 Source or limited
voltage limited energy).
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General Catalogue Safety 2017-2018
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132333
142434
A1
S33
S11
43
A2
S34
S12
44
PWR
CH1
CH2
51
52
K1
K2
A1
S11
S12
S34
13
23
33
51
S33
43
A2
14
24
34
52
44
LED
CH1
LED
CH2
Safety module CS AR-24 / CS AR-25
Pin assignment
ITALY
Function diagrams
Configuration with automatic start (CS AR-24)
t
C
Configuration with monitored start (CS AR-25)
t
C
t
R1
t
tR1t
A
A
t
t
MINtA
A
POWER-A1/A2
S11/S12
13/14, 23/24,
33/34, 43/44
51/52
t
R
POWER-A1/A2
S11/S12
S33/S34 (START)
13/14, 23/24,
33/34, 43/44
51/52
t
R
10A
Internal block diagram
L / +
LED
PWR
N / -
Input configuration
LOGIC LOGIC
1 channel 2 channels
Configuration with manual start (CS AR-24)
t
A
Legend:
t
: Min. duration of start impulse
MIN
tC: simultaneity time
tA: response time
Notes:
The configurations with one channel are obtained taking into consideration the S11/
S12 input only. In this case it is necessary to consider time tR1 referred to input
S11/S12, time tR referred to the supply, time tA referred to input S11/S12 and to the
start, and time t
Emergency stop circuits
Input configuration with manual start
tR1t
A
referred to the start.
MIN
A1/A2
S11/S12
S33/S34 (START)
13/14, 23/24,
33/34, 43/44
51/52
t
MIN
t
: release time
R1
: release time in absence of
t
R
t
R
power supply
L / +
S12
S11
A1
CS AR-24 / CS AR-25
A2
N / -
The diagram does not show the exact position of the terminals in the product
Automatic start
With regard to the
indicated diagrams, bridge
the start button between
S33
S34
Monitored start
Use module CS AR-25 with the circuit diagrams
for manual start.
S33 and S34 in order to
activate the automatic
start module.
S34 S34
General Catalogue Safety 2017-2018
L / +
S12
S11
A1
CS AR-24 / CS AR-25
A2
N / -
S33
S34
Movable guard monitoring
The safety module can monitor emergency stop
circuits and control circuits for movable guards.
Replace the emergency stop contacts with the
switch contacts.
Application examples See page 251
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