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DST-MRD

DeviceNet safety I/O terminal block family

The DeviceNet safety I/O-terminal DST-MRD has four inputs for safety signals and four safety relay outputs with up to 2A. Four test pulse outputs ensure crosstalk and short-circuit detection of the inputs.

Removable cage-clamp terminals for easy installation
4 inputs for safety signals
4 test pulse outputs to ensure crosstalk and short-circuit detection
4 relay outputs
Status LEDs for advanced diagnostics

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Specifications & ordering info

Ordering information

Appearance	Appearance description	Order code
Input terminal	12 PNP inputs 4 Test outputs Removable cage clamp terminals	DST1-ID12SL-1
Mixed I/O terminal	8 PNP inputs 8 PNP outputs 4 Test outputs Removable cage clamp terminals	DST1-MD16SL-1
Mixed I/O terminal	4 PNP inputs 4 relay outputs (4×2-single pole) 4 Test outputs Removable cage clamp terminals	DST1-MRD08SL-1

Appearance

Appearance description

Order code

Input terminal

12 PNP inputs

4 Test outputs

Removable cage clamp terminals

DST1-ID12SL-1

Mixed I/O terminal

8 PNP inputs

8 PNP outputs

4 Test outputs

Removable cage clamp terminals

DST1-MD16SL-1

Mixed I/O terminal

4 PNP inputs

4 relay outputs (4×2-single pole)

4 Test outputs

Removable cage clamp terminals

DST1-MRD08SL-1

Specifications

General specifications

DeviceNet communications power supply voltage		11 to 25 VDC (supplied from communications connector)
Unit power supply voltage		20.4 to 26.4 VDC (24 VDC -15% +10%)
I/O power supply voltage		20.4 to 26.4 VDC (24 VDC -15% +10%)
Consumption current	Communications power supply	DST1-ID12SL-1/MD16SL-1: 100 mA DST1-MRD08SL-1: 110 mA
Mounting method		35-mm DIN track
Ambient operating temperature		-10°C +55°C
Ambient storage temperature		-40°C +70°C
Degree of protection		IP20 (IEC 60529)
Weight		DST1-ID12SL-1/MD16SL-1: 420 g DST1-MRD08SL-1: 600 g

Safety input specifications

Input type		Sinking inputs (PNP)
ON voltage		11 VDC min. between each input terminal and G1
OFF voltage		5 VDC max. between each input terminal and G1
OFF current		1 mA max.
Input current		6 mA

Safety output specifications

Output type		Sourcing outputs (PNP)
Rated output current		0.5 A max. per output
Residual voltage		1.2 V max. between each output terminal and V1

Test output specifications

Output type		Sourcing outputs (PNP)
Rated output current		0.7 A max. per point
Residual voltage		1.2 V max. between each output terminal and V0

Safety output specifications for relay outputs

Relays		G7SA-2A2B, EN 50205 class A
Minimum applicable load		1 mA at 5 VDC
Rated load for a resistive load		240 VAC: 2 A, 30 VDC: 2 A
Rated load for an inductive load		2 A at 240 VAC (cos φ = 0.3), 1 A at 24 VDC
Mechanical life expectancy		5,000,000 operations min. (switching frequency of 7,200 operations/h)
Electrical life expectancy		100,000 operations min. (at rated load and switching frequency of 1,800 operations/h)