6-2
Chapter 6. SPECIFICATIONS
z Electrical specifications
Item Description
Power supply voltage 100/120/200/230 V AC 50/60 Hz
Allowable voltage range 85 to 110 % of power supply voltage
Power consumption 15 W max. (including both AUR450C and AUD300C/500C)
Dielectric strength 1500 V AC, 50/60 Hz for 1 min, between ground and primary terminals 11 to
24, or 1800 V AC, 50/60 Hz for 1 s.
Insulation resistance 50 MΩ min. with 500 V DC megger between ground and primary terminals
(11 to 24)
z Communication specifications
Item Description
Transmission mode Balanced
Transmission line 3-wire system
Transmission speed (bps) 1200, 2400, 4800, 9600, 19200
Transmission distance 500 m max.
Communications system Half duplex
Synchronization Start-stop
Data format 8 bits, 1 stop bit, even parity
8 bits, 2 stop bits, no parity
Error detection Parity check
Station address 0 to F (at 0, communications are disabled)
Connection method 1:N (15 units max.)
Terminating resistor Use prohibited (resistor already built in)
Signal level RS-485 compliant
z Environment specifications
Item Description
Allowable ambient temperature Stand-alone mounting: -20 to +55 ºC
Side-by-side mounting of multiple devices and intervals of less than 100 mm:
-20 to +45 ºC
Storage temperature -20 to +70 ºC
Ambient humidity 90 % RH at 40 ºC (without condensation)
Vibration resistance During operation: amplitude 0.5 mm p-p, frequency 10 to 55 Hz for 2 h each in
X, Y and Z directions.
During transportation/storage: amplitude 0.75 mm p-p, frequency 10 to 55 Hz
for 2 h each in X, Y and Z directions.
Impact resistance During operation: 0 to 49 m/s
2
, During transportation/storage: 0 to 300 m/s
2
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