MSR238DP
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Description
The MSR238 is an time-delayed output expansion module for the modular Minotaur MSR200 family of monitoring safety relays. It can be connected to either the MSR210 or MSR211 base unit or to the MSR230 output module to provide time-delayed outputs.
Up to two output modules can be connected to one base unit by simply removing the terminator, included with each base unit, and connecting the ribbon cables of the neighboring module. The connecting ribbon cable provides power to the MSR238 as well as a check on its status. The terminators must be inserted into the final output module.
The MSR238 has two safety rated outputs that work in parallel with the safety outputs of the base unit. When the output of the base unit is de-activated, the outputs of the MSR238 are de-activated after the time delay expires. The time delay is set by connecting jumpers to the wiring terminals.
The outputs are two normally open safety rated outputs. The safety outputs have independent and redundant internal contacts to help support the safety function. The delayed normally closed output is an auxiliary signal that must only be used to indicate the status of the MSR238.
Features
- Category 3 per EN 954-1
- Stop category 1
- Two diagnostic LEDs
- Removable terminals
- Two N.O. delayed safety outputs
- One N.C. delayed auxiliary output
LED Indicators
| Green | CH1 Output Active |
| Green | CH2 Output Active |
Specifications
| Safety Ratings | |
| Standards | EN 954-1, ISO 13849-1, IEC/EN 60204-1, IEC 60947-4-1, IEC 60947-5-1, ANSI 11.19, AS4024.1 |
| Safety Classification | Cat. 3 per EN 954-1 (ISO 13849-1), SIL CL2 per EN IEC 62061, PLe per ISO 13849-1 |
| Functional Safety Data ⋆ Note: For up-to-date information, visit http://www.ab.com/safety/ |
PFHD: < 7.7 x 10-9 MTTFd: > 373 years Suitable for performance levels Ple (according to ISO 13849-1:2006) and for use in SIL3 systems (according to IEC 62061) depending on the architecture and application characteristics |
| Certifications | CE Marked for all applicable directives, cULus, c-Tick, and TÜV |
| Power Supply | |
| Input Power Entry | 24V DC from the base unit |
| Power Consumption | 2.5 W |
| Outputs | |
| Safety Contacts | 2 N.O. |
| Auxiliary Contacts | 1 N.C. |
| Thermal CurrentIlth | 1 x 6 A or 2 x 4 A (nonswitching) |
| Rated Impulse withstand Voltage | 2500V |
| Switching Current @ Voltage, Min. | 10 mA @ 10V DC |
| Fuses, Output | Recommended External 6 A slow blow or 10 A fast acting |
| Electrical Life (Operations) | 220V AC/4 A/880VA cosf = 0.35…0.1 M 220V AC/1.7 A375VA cosf = 0.6…0.5 M 30V DC/2 A/60 W = 1 M 10V DC/0.01 A/0.1 W = 2 M |
| Mechanical Life | 10,000,000 cycles |
| Utilization Category | |
| Resistive: AC-1 | 6 A @ 250V AC |
| Resistive: DC-1 | 6 A @ 24V DC |
| Inductive: AC-15 | 5 A @ 250V AC |
| Inductive: DC-13 | 3 A @ 24V DC |
| UL: | 1 x B300, P300 or 2 x C300, 1 x 6 A or 2 x 4 A Resistive |
| Environmental and Physical Characteristics | |
| Enclosure Type Rating/ Terminal Protection |
IP40 (NEMA 1)/ IP20 |
| Operating Temperature [C (F)] | -5…+55 ° (23…131 °) |
| Vibration | 10…55 Hz, 0.35 mm |
| Shock | 10 g, 16 ms, 100 shocks |
| Mounting | 35 mm DIN Rail |
| Weight [g (lb)] | 215 (0.47) |
| Conductor Size, Max. | 0.2…2.5 mm2 (24…14 AWG) |
| ⋆ Usable for ISO 13849-1:2006 and IEC 62061. Data is based on the following assumptions: - Mission time/Proof test interval of 20 years - Functional test at least once within six-month period |
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Product Selection
| Delayed Safety Outputs | Delayed Auxiliary Outputs | Terminals | Reset Type | Power Supply | Cat. No. |
| 2 N.O. | 1 N.C. | Removable | — | 24V DC from the base unit | 440R-H23196 |
Accessories
| Description | Cat. No. |
| Bag of 4, 4-Pin Screw Terminal Blocks | 440R-A23209 |
| Bag of 4, 4-Pin Spring Clamp Terminal Blocks | 440R-A23228 |
Approximate Dimensions
Dimensions are shown in mm (in.). Dimensions are not intended to be used for installation purposes.
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Block Diagram
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Typical Wiring Diagrams
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Application Details (Typical)
Apply jumpers (links) on the terminals identified to achieve the desired off delay.
| Delay (s) | Jumper | Jumper | Delay (s) | Jumper | Jumper | Delay (s) | Jumper | Jumper |
| 0 | None | None | 8 | Y3-Y6 | Y3-Y7 | 50 | Y3-Y6 | Y3-Y8 |
| 0.5 | Y3-Y5 | None | 9 | Y4-Y5 | Y3-Y7 | 60 | Y4-Y5 | Y3-Y8 |
| 1 | Y4-Y6 | None | 10 | None | Y4-Y8 | 80 | None | Y4-Y7 |
| 1.5 | Y3-Y6 | None | 12 | Y3-Y5 | Y4-Y8 | 100 | Y3-Y5 | Y4-Y7 |
| 2 | Y4-Y5 | None | 15 | Y4-Y6 | Y4-Y8 | 120 | Y4-Y6 | Y4-Y7 |
| 3 | Y3-Y5 | Y4-Y6 | 18 | Y3-Y6 | Y4-Y8 | 160 | Y3-Y6 | Y4-Y7 |
| 4 | Y3-Y6 | Y4-Y5 | 21 | Y4-Y5 | Y4-Y8 | 200 | Y4-Y5 | Y4-Y7 |
| 5 | None | Y3-Y7 | 26 | None | Y3-Y8 | 250 | Y3-Y5, Y4-Y6 | Y3-Y7 |
| 6 | Y3-Y5 | Y3-Y7 | 30 | Y3-Y5 | Y3-Y8 | 300 | Y3-Y5, Y4-Y5 | Y3-Y7 |
| 7 | Y4-Y6 | Y3-Y7 | 40 | Y4-Y6 | Y3-Y8 | |||