ELPRO 905U - Chapter Five SPECIFICATIONS; General

905U Wireless I/O Module User Manual
105S Serial I/O Module
Page 58 © January 2011
Chapter Five SPECIFICATIONS
General
905U Radio standards FCC Part 15A, Part 15.247 902 – 928 MHz, 1W
105U Radio standards FCC Part 90, Part 15, RSS-
119
380 – 520 MHz, 12.5 / 25KHz, 0.5 – 5W
Housing 130 x 185 x 60mm
DIN rail mount
Refer section 5.1 for
dimensioned drawing
Powder-coated, extruded aluminium
Terminal blocks Removable Suitable for 2.5 mm
2
conductors
LED indication Power supply,
OK operation, digital I/O,
RX and TX
Operating Temperature 905U, 105S
105U
-40 to 60 degrees C / -40 to 140 degrees F
-30 to 60 degrees C / -20 to 140 degrees F
Humidity 0 – 99% RH
non-condensing
Power Supply
Battery supply 11.3 - 15.0 VDC
AC supply 12 - 24 VAC, 50/60 Hz Overvoltage protected
Battery required for 105U units with more
than 2W RF power
DC supply 15 - 30 VDC Overvoltage and reverse voltage protected
> 17VDC required for charging battery
Battery required for 105U units with more
than 2W RF power
Battery Charging circuit Included for 1.2-12 AHr sealed lead acid battery
Solar regulator Included Direct connection of solar panel (up to 30W)
and solar battery (100 Ahr)
Current Drain at 12VDC 85 mA quiescent for ‘U’
45 mA quiescent for ‘S’
+ 10 mA/active digital input
+ 25 mA/active digital output
+ 2 x analog I/O loop (mA)
Radio transmitter inrush 905U
105U
350mA @ 13.8VDC; 250mA @ 24VDC
450mA @ 13.8VDC (0.5W)
600mA @ 13.8VDC (1W)
800mA @ 13.8VDC (2W)
1.25A @ 13.8VDC (5W)
Analog loop supply Included, except -4 24V DC 150 mA