Universal transmitter 8390-1
APPENDICES
Technical data
(
see also Manual, Section 2.2)
Measuring inputs :
one ALMEMO
®
socket for all ALMEMO
®
sensors
Channels :
4 channels / sensor maximum (measuring and
function channels, depending on sensor type)
Sensor power supply :
Mains adapter :approx. 12 V, maximum 70 mA
Measuring rate :
2.5 / 10 measuring operations per second
continuous on all channels
System accuracy :
±0.05% of measured value ±2 digits
Temperature drift :
0.01% / K
Cold junction compens.:
± 0.2 K ±0.01 K / °C (-30 to +80 °C)
Outputs :
1
ALMEMO
®
socket for analog module or interface
Option OA 8390-I
RS-485 interface, electrically isolated, integrated
Signals : RX+, RX-, TX+, TX-, line, maximum 1 km
Option OA 8390-E
Ethernet interface, electrically isolated , integrated
Socket: RJ-45 10/100 base-T switchover. automatic
Option OA 8390-Rx
Analog output R2 : 0 to 10 V, R3: 0/4 to 20 mA,
electrically isolated
Accuracy : ±0.1% ± 6 digits, resolution : 15 bits
Temperature drift : 1 digit / K
Option OA 8390- Rx2
2 analog outputs R22 : 0 to 10 V, R32: 0/4 to 20 mA,
electrically isolated
Accuracy : ±0.1% ± 1 digit, resolution : 12 bits
Temperature drift : ± 0.005 % / K
Equipment
A/D converter :
delta-sigma, 16 bit, 2.5 / 10 measuring
operations per second
Microprocessor :
NEC 78F0078
Power supply :
7 to 13 V DC, not electrically isolated
Mains adapter :
ZB 1012-NA1 230 V AC to 12 V DC / 200 mA
electrically isolated
Current consumption
Without input and output modules : approx. 4.5 mA
With Ethernet interface option : approx. 100 mA
With analog output option :
approx. 50 mA + 2.5 x actually analog current
Housing
108 x 60 x 29 mm, ABS (acrylonitrile butadiene styrene)
high impact resistance (maximum 70 °C)
Operating temperature
-10 to +60 °C
Storage temperature
-30 to +60 °C
Ambient relative humidity : 10 to 90 % (non-condensing)
Delivery includes :
Measuring instrument ALMEMO
®
8390-1
Operating instructions ALMEMO
®
8390-1
page 19