VEGA VEGASTAB 692 MD - Manual (Page 5)

VEGASTAB 692 MD 5
Product description
1.6 Technical data
Power supply
Operating voltage/Power consumption U
nom
= 20 … 250 V AC, 50/60 Hz/approx. 12 VA
= 20 … 72 V DC
Output or measured data input
Number 1 x 24 V output or digital measured data input
for up to 15 sensors
Type of measured data input active two-wire input, digital (HART ® protocol),
sensors are powered by VEGASTAB 692 MD
Sensor type up to 15 VEGA two-wire loop-powered HART ®
sensors in Multidrop mode
(pressure transmitters, ultrasonic and radar
sensors, see chapter "1.5 Sensor choice")
Output voltage approx. 17 … 24 V DC
Output constant current max. 60 mA (15 sensors with 4 mA each)
Current limitation at approx. 200 mA, short-circuit proof
Connection cable 2-wire standard cable (screening is
recommended)
max. cable length 1000 m
max. resistance per wire 15 Ohm
Serial interface (RS 232)
Number 1 x RS 232 via VEGACONNECT 3
Function communication via modem or PC for data
recording with Visual VEGA (VV) or
sensor adjustment with VEGA Visual Operating
(VVO)
max. cable length 15 m
Interface parameters 9600 baud, no parity, 1 stop bit
Protocol VEGA specific
Indicating elements
LED in front plate green: power supply and output voltage on
Ambient conditions
Permissible ambient temperature -20°C … +60°C
Storage and transport temperature -40°C … +80°C
Electrical connection
Screw terminals max. 1.5 mm 2
RS 232 interface (VEGACONNECT 3) Sub-D 9-pole
Electrical protective measures
Instrument IP 30
Plug-in socket IP 20
Protection class II
Overvoltage category II