VEGA VEGABAR 40 4 … 20 mA - Manual (Page 7)

VEGABAR 40 (4 … 20 mA) 7
Product description
Electrical data
Adjustment ranges
Zero adjustable from -20 … +95 % of nominal range
Span adjustable from 3,3 … 120 % of nominal range
Supply and signal circuit
Supply voltage 12 … 36 V DC
Exd version (pressure-tight encapsulation) 18 … 36 V DC
Permissible residual ripple U
SS
≤
1 V
Output signal
- range
3.8 … 20.5 mA
- resolution 6 µA
Current limiting approx. 22 mA
Fault signal 22 mA (3.6 mA)
Integration time 0 … 10 s adjustable
Rise time 85 ms (ti = 0 sec; 0 – 63 %)
Connection cable 2-wire
Max. permissible load dependent on the supply voltage
(see load diagram)
12
250
0
18 24 30 36
500
750
1000
Load R
Ltotal
in Ohm
Voltage of the external energy U
H
in Volts
1) Use of a suitable seal for the cable in the PG is necessary for maintaining the housing protection. If the seal
used does not fit the cable, it should be replaced by a suitable one.
Display and adjustment circuit
For connection to VEGADIS 10 and/or indicating module
Data transmission digital
Connection cable 4-wire (standard cable)
Max. cable length 25 m
Connection
Cable entry M20 x 1.5 (for cable-ø 5 … 10 mm)
Screw terminals for conductor cross sections of up to 2.5 mm 2
Protective measures
Protection 1) IP 65
Protection class III
Overvoltage category III