Standstill Monitor

SAFEONE DN3PS2

Our SAFEONE DN3PS2 is suitable for the safe monitoring of standstill of electric drives in systems and machines, and all without a measuring system/encoder. Neither proximity switches nor incremental encoders are needed to measure the operational status.

Fits into every cabinet

Plug & Play

Individual Configuration

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Safe Standstill monitoring easy as pie.

The standstill monitors from our SAFEONE Standalone Series do not require a motor feedback measuring system, which makes them truly unique on the market. They safely monitor 1- and 3-phase motors up to 690V AC with Performance Level e according to DIN EN ISO 13849-1. The DN3PS2 standstill monitor measures the electromagnetic force (EMF) when the motor runs down. The potential-free output contacts switch when the switching threshold, which can be parameterised on the device, is undercut.

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General Data

Width	22,5 mm
Switching Capacity	up to 3 A
In- and Outputs	2 Relay Outputs (1 safety Contact) + 2 Diagnostic Outputs
Connection Terminals	Spring-loaded terminals, screw terminals
Certifications	PLe (EN ISO 13849-1), SIL3 (IEC 61508), SIL CL3 (IEC 62061), UL-certified
Hardware-Parameterisation	Yes
Software-Parameterisation	No
Motion Monitoring	without external sensor
Hardware-Diagnose/LED	Yes
Safe Torque OFF (STO)	Yes
Muting (bypass)	Yes

Technical Data

Protection	IP20
Installation Site	any
Encasing Material/Type	Polyamide PA not reinforced
Rated insulation voltage	250V AC
Surge voltage strength	4kV
Surge voltage category	III
Measurements	B x H x T/ 22,5 x 114 x 111mm
Connection terminals/ Material	Plug-in spring-cage terminal blocks/ polyamide PA
Conductor cross-section (flexible only)	0.25 - 2.5mm^2 with adhesive end sleeve
Connecting wire	60/75°C copper
Conductor cross-section AWG	24...12
Wire stripping length	8mm

Inputs

Operating Voltage	24V DC -15%/+10% with reverse polarity protection
Current consumption at 24V DC	≤ 80mA
Current consumption L1, L2, L3	0,35mA at 690V AC/ 5KHz
Input voltage L1, L2, L3	90 to 690V AC
Input voltage A1/ A2	Type 2,8W
Status Indication	4 x LED 2-colored
Protective circuit	Overvoltage and reverse polarity protection for operating voltage

Outputs

Contact design	2 Release contacts
Minimum switching current	≤ 10mA
Switching capacity in accordance with IEC 60947-5-1	DC13: 3A/24V AC15: 3A/230V (not at ID-No. 33PS08)
Mechanical lifetime	> 20 x 10^6 Switching Cycles
Contact Material	AgNi
Contact fuse	5 A gL/gG
Response time adjustable	0.5 s – 40s
Outputs O1, O2	≤ 100mA short-circuit and overload protected, only with ID-No.: 33PS08

Environmental Data

Temperature	-20 to +55°C according to DIN IEC 60068-2-3
Storage Temperature	-40 to +85°C according to DIN IEC 60068-2-3
Min. height	< 2000m above Sea Level NN
Vibration resistance in all 3 levels	Sinus 10-55Hz, 0.35mm, 10 cycles, 1 octave/min
Clearance and creepage distances	DIN EN 50178, safe isolation
Minimum installation protection class	Installation in a control cabinet is mandatory

Block diagram (terminal assignment 33PS02, 33PS03, 33PS05)

Two different function types are possible with the variants 33PS02, 33PS03, 33PS05.
The function type is selected via inputs I11 and I21.

Function 1	Function 2
I11 and I21 not connected	I11 and I21 connected
Standstill monitoring is constantly active.	Standstill monitoring is not active.
Close the enabling contacts when the drive is at a standstill.	Enable contacts are closed (with 33PS05 only the enable contact 13/14 remains closed. The enable contact 23/24 switches off on movement).
	The error detection "wire breakage and "single-channel" is inactive. (not with 33PS05)