beautypg.com

Irig interface, Real-time clock, Communication ports – Basler Electric BE1-11t User Manual

Page 466

background image

454

9424200995 Rev H

IRIG Interface

Interface supports IRIG Standard 200-04, Format B006.
Input Signal ............................................................... Demodulated dc. Level-shifted, digital signal
Input Voltage Range .................................................

±10 Vdc maximum

Input Resistance ....................................................... Nonlinear, approximately 4 k

Ω at 3.5 Vdc,

approximately 3 k

Ω at 20 Vdc

Terminals................................................................... A1, A2

Logic Voltage Threshold

High ........................................................................... 3.5 Vdc minimum
Low ............................................................................ 0.5 Vdc maximum

Real-Time Clock

Clock has leap year and selectable daylight saving time correction. Backup capacitor and standard
backup battery sustain timekeeping during losses of BE1-11t operating power.
Resolution ................................................................. 1 s
Accuracy....................................................................

±1.73 s/d at 25°C

Clock Holdup
Capacitor Holdup Time ............................................. Up to 24 hours depending on conditions
Battery Holdup Time ................................................. Greater than 5 years depending on conditions
Battery Type .............................................................. Rayovac BR2032, coin-type, 3 Vdc, 195 mAh

Basler Electric P/N 38526

Caution

Replacement of the backup battery for the real-time clock should be
performed only by qualified personnel.
Observe polarity markings on the battery socket while inserting a new
battery. The battery polarity must be correct in order to provide backup
for the real-time clock.

Note

Failure to replace the battery with Basler Electric P/N 38526 may void
the warranty.

Communication Ports

Communication ports consist of USB, serial, and Ethernet connections.

USB

A front-panel B-type USB connector provides local communication with a PC operating BESTCOMSPlus

®

software. Compatible with USB 2.0 specification.
Data Transfer Speed ................................................. 12 MB/s (Full Speed)

RS-485

Rear-panel RS-485 port (compression terminals) that supports Modbus and DNP3.
Port Speed (Baud) .................................................... Up to 115,200

Terminals

A ................................................................................ A3
B ................................................................................ A4
C ................................................................................ A5

Specifications

BE1-11t