VEGALOG 571
11
CPU-card
Interfaces
To LOGBUS
via LOGBUS-socket on the module card
RS 232 via PC
via 9-pole D-SUB-socket (pins)
in the front plate of the module card
Electrical separating measures
Galvanic isolation
acc. to VDE 0106, part 1
between power supply, LOGBUS-connection
and RS 232-interface
- reference voltage
250 V
- isolation resistance
2,3 kV
Indicating elements
LED in front plate
green (on): operating voltage on
red: fault signal
EA-card
Meas. data inputs
Number
10 inputs
Kind
analogue two-wire input,
active or passive also mixed
Range
0 … 20 mA
Sensors
capacitive electrodes
hydrostatic pressure transmitters
vibrating level switches
conductive electrodes
process and differential pressure transmitters
Further connection possibilities
external current sources 0 … 20 mA, switching
contacts
Sensor supply voltage
24 V DC
Current limitation
per sensor circuit 26,5 mA, permanently short
circuit-proof
Max. input voltage
24 V DC
Switching threshold
adjustable via adjustment software VVO
in the range of 4 … 20 mA
Min. hysteresis
80
µ
A (fixed)
Linearity error
0,1 % of range (for input active and passive)
Average gradient failure
0,5 % of range (only for input passive)
Temperature failure
0,025 %/10 k of range
Connection line
2-wire (standard line)
Resistance per conductor
max. 35
Ω
Interfaces
To LOGBUS
via LOGBUS-plug on the module card
Product description
