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