Assignment
URS is a device for collection and processing of discrete signals from equipments RZ, PA, switching and other devices in the relay room. One device allows replacing up to 80 outdated indicator relays (blinkers).
Key benefits
- possibility to organise a signalling system and registration at any substation;
- different types of discrete inputs: for voltages of 24 V, 110 V, 220 V, as well as for currents of 10 - 2000 mA;
- for each input it is possible to set the effect on any of the output relays;
- up to 4 boards of 8 output relays, each of which has two closing or opening contacts. Half of the contacts are equipped with spark arresting circuits to allow operation on inductive loads;
- each relay can operate in one of three modes:
1) repeater - the relay operates and releases following the input signal;
2) latch - the relay operates when the signal appears and doesn't release until acknowledgment;
3) pulse mode - regardless of the duration of the input signal, the relay operates for a fixed time;
- rated current of relay contacts - up to 2 A at 220 V DC voltage;
- saving the fact and time of all input signals in the built-in event recorder;
- the product status is displayed on a user-friendly colour display with a diagonal of 7 inches, as well as on an array of LEDs;
- the possibility to view the history of all triggers even after the alarm system has been acknowledged, which is fundamentally impossible in the case of blinkers;
- Ethernet (LAN) port for integration into the network ASU TP;
- configuration via a separate Ethernet port via WEB-interface;
- in case of power interruptions, the last state of inputs/outputs is stored by the built-in ionistor for several hours and can be viewed on an array of LEDs at the push of a button. This allows investigation of the events that preceded the op-amp shutdown;
- discrete inputs for 110 and 220 V are switched to a current of about 3.5 mA after some time after tripping at a current of 22 mA (for reliable ‘burning’ of the oxide layer on the contacts), significantly reducing heat dissipation in the place of installation, as well as avoiding the need to use a huge number of high-power shunt wire resistors;
- the contents of the built-in recorder can be downloaded to a USB FLASH drive from the front panel of the product.
When ordering, the number and type of inputs, number and configuration of relays, and the correspondence between them must be specified.
