Reader Interface Unit
ER502 p    ER502
  Single- Access Portal Interface Unit 
  The ER502 is a RS-485 single access portal reader interface unit designed to greatly increased the flexibility design of the Matrix V system. Door peripherals like readers, keypads and door locking mechanisms are directly connected to ER502 to provide a tamper proof solution and to reduced the cabling works and costing from door peripherals to the main controller. 
  orange button4 RS-485 connectivity 
  orange button4 Enhanced baud rate of 57600bps 
  orange button4 Support up to 7 different card format 
  orange button4 Customer Code support for higher security 
  orange button4 10 Off Line supervisory cards


Model ER502
Manufacturer ELID Sdn Bhd
Country of Origin Malaysia
Microprocessor 16 bit MCU (MC9S12GC128) with 128K flash memory and 4K RAM
Bus Speed 25.8048 MHz
Communication 2 wires RS485 Interface (Data+, Data-)
Baud Rate 9600bps or 57600bps
Protocol Pier-to-peer collision detection protocol (E-BUS)
Max. Doors Supported 1 door
Standalone Operation No
Modes of Operation Card, PIN, Card + PIN, Time Clock
Status Detection Tamper, Battery and Alternating Current
Type of Reader Supported Proximity (HID, EM, MiFare, Barcode 3of9 and ITF)
Max. Readers Supported 2 (one IN and one OUT)
EA8 I / O Capacity 1 EA8 (2 Inputs and 6 Outputs)
Onboard Inputs / Outputs 8 Inputs, 4 Outputs
Operating Temperature 0oC to 60oC
Humidity 10% to 90% non-condensing
Power Requirements 12VDC 100mA excluding reader
Approximate Weight 400grams


ER502 Configuration
ER502 Configuration