Part no.: 547954 – MSI-RM2B-01 – Safety relay
Technical data
Basic data
Series MSI-RM2B
Functions
Functions Signal conversion of electronic safety outputs on potential-free relay
Restart Automatic
Characteristic parameters
Mission time T
Category Up to 4 (depending on the category of the upstream protective de-
B10dat DC1 (ohmic load) 10,000,000 number of cycles, (2 A, 24 V)
B10dat AC1 (ohmic load) 1,300,000 number of cycles, (0.5 A, 230 V)
B10dat DC13 (inductive load) 10,000,000 number of cycles, (2 A, 24 V)
B10dat AC15 (inductive load) 1,300,000 number of cycles, (0.5 A, 230 V)
B10d, low load 1,860,000 number of cycles
M
contacts
20 years, EN ISO 13849-1
vice), EN ISO 13849
Electrical data
Protective circuit Fuse on switching output, upstream
Continuous current per current path, max. 3 A
External contact fuse protection per current path 5 A quick-action, or 3.15 A delay-action
Permissible input line resistance, max. 50 Ω
Performance data
Supply voltage 24 V, DC, -20 ... 20 %
Outputs
Number of safety-related switching outputs (OSSDs) 2 Piece(s)
Safety-related switching outputs
Type Safety-related switching output OSSD
Voltage type AC/DC
Safety-related switching output 1
Switching element Relay, NO
Safety-related switching output 2
Switching element Relay, NO
Timing
Pickup delay 20 ms
Regression delay 10 ms
Connection
Number of connections 1 Piece(s)
Connection 1
Type of connection Terminal
Function Connection to device
Type of terminal Screw terminal
No. of pins 12 -pin
Cable properties
Connection cross sections 0.2 to 2.5 mm²
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Part no.: 547954 – MSI-RM2B-01 – Safety relay
Mechanical data
Dimension (W x H x L) 17.5 mm x 99 mm x 114.1 mm
Housing material Plastic, PA 66
Electrical contact material AgNi10 + 5 mm Au
Net weight 120 g
Housing color Gray
Type of fastening Snap-on mounting
Mechanical life time 10,000,000 switching cycles
Operation and display
Type of display LED
Number of LEDs 2 Piece(s)
Environmental data
Ambient temperature, operation 0 ... 50 °C
Ambient temperature, storage -25 ... 70 °C
Certifications
Degree of protection IP 20
Protection class II
Certifications c UL US
TÜV NRTL US
Classification
eCl@ss 8.0 27371819
eCl@ss 9.0 27371819
ETIM 5.0 EC001449
Electrical connection
Connection 1
Type of connection Terminal
Function Connection to device
Type of terminal Screw terminal
No. of pins 12 -pin
Terminal Assignment
22 Relay contact 2 IN, NC
24 Relay contact 2 IN, NO
11 Relay contact 1 OUT
Y1 External device monitoring circuit (EDM)
n.c. n.c.
Y2 External device monitoring circuit (EDM)
A2 0 V
B1 Sensor input channel 1, 24V
B3 Sensor input channel 2, 24V
14 Relay contact 1 IN, NO
21 Relay contact 2 OUT
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Part no.: 547954 – MSI-RM2B-01 – Safety relay
Terminal Assignment
12 Relay contact 1 IN, NC
Operation and display
LEDs
LED Display Meaning
1 Green, continuous light Relay K1 picked up
2 Green, continuous light Relay K2 picked up
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