Siemens SIRIUS 3UG4 User Manual

You can 󹪝nd further technical information on 3RR24 in the Manual "3UG48/3RR24 monitoring
relays for IO-Link (http://support.automation.siemens.com/WW/view/en/54375430)" on the
internet.
4.3.2 Properties
Table 4-5 Equipment of 3RR2 current monitoring relays
Feature Bene󹪝t 3RR21 Basic,
analog setting
3RR22 Standard,
digital setting
Reset function
• Enables manual or automatic resetting of the mon‐
itoring relay
• Resetting directly on the device or by disconnecting
and reconnecting the supply voltage (remote reset)
✓ ✓
ON-delay time
• Enables motor starting without evaluation of the
starting current
• Can be used to monitor motors with lengthy startup
0 s to 60 s 0 to 99 s
Tripping delay time
• Prevents frequent warnings and disconnection in
response to currents in the vicinity of the thresholds
• Permits brief violations of thresholds during opera‐
tion
0 s to 30 s 0 s to 30 s
Operating and
indicating elements
• For setting thresholds and delay times
• For selectable functions
• For fast and selective diagnostics
• Display for permanent indication of measured val‐
ues
LEDs and rotary but‐
tons
Display and buttons
Integrated contacts
• Allow the system or process to be shut down in the
event of an irregularity
• Can be used to output signals
1 CO contact 1 CO contact
1 semiconductor out‐
put
3RR2 current monitoring relays
4.3 Performance features of current monitoring relays
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 53

Siemens SIRIUS 3UG4 Specifications

General

Brand	Siemens
Model	SIRIUS 3UG4
Category	Relays
Language	English