Mercury Sentry

  • Security and Access Control Systems
  • Wiegand Swipe Cards
  • HID, EM and MIFARE Proximity Cards
  • Robust All-Weather Protection
  • Multi-Drop and MODBUS Enabled
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Description

Description

The Sentry Card Reader is designed for use in hazardous or harsh environments, with versions able to read a range of different card technologies. ATEX Certified to EEx ia IIC T4, the Sentry is Intrinsically Safe (IS) and suitable for use in the most hazardous of areas, including those classified as Zone 0 (Div.1) with a constant risk of an explosive atmosphere.

Proximity cards:
A non-contact technology where a card is read by passing it within a few centimetres of a radio frequency window on the front of the Sentry. With proximity technology the identification media can take a number of different formats, including a key fob device as an alternative to the standard Proximity card. Currently HID, EM4001 (or compatible) and MIFARE devices can be read with a Sentry.

Wiegand cards:
A high security swipe card where data is encoded using wires embedded within the card during manufacture. Card data cannot be changed or reprogrammed. Wiegand cards are robust and reliable but relatively expensive

Specifications
Certification:

ATEX EEx ia IIC T4, (Ta = -20°C to +60°C) Zone 0 (Division 1)
SIRA Certificate. No. 99ATEX2138X

Ambient temperature:

-20°C to +60°C (operating), -40°C to +70°C (Storage)

Ingress protection:

IP65 to EN 60529

Enclosure:

Coated aluminium alloy, Weight 1.7Kg, with MIFARE reader

Supply voltage:

20 to 32 Volts D.C. at approx 40 mA (dependent on reader used)

Data protocol:

Based on VT-100 (compatible with Mercury 2+ Terminal) & Mercury 2+ Modbus

Card formats*:

Currently Wiegand swipe cards and HID, EM4001 (or compatible) and
MIFARE proximity card reader heads are available.

Inputs:

2 Inputs characterised for direct connection to proximity switches and
2 general purpose Digital Inputs

Outputs:

2 opto-isolated Digital Outputs

Multi-drop:

Up to 32 Sentry Card Readers

Baud rate:

1200 to 9600 baud with existing barriers. Up to 19,200 baud with the
R507 IS Interface (and Non IS version*)

Communication Interfaces:

IS Version- Requires R507 IS Interface Module
Non IS version* – RS422 or RS485. R507 not required

Mechanical:

Height 120.00mm, Width 220.00mm,
Depth 80.00mm (proximity reader) or 110.00mm (wiegand reader)

Connections:

IS version, 4-wire connection to R507 IS Interface Module.
(Non IS version*, 2-wire power and 2- or 4-wire communications)

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