Vega MINITRAC 31 Operating Instructions Manual page 77

Ʋ Max.
Contact material (relay contacts)
Transistor output
Output
Load current
Voltage loss
Switching voltage
Blocking current
Measurement accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Non-repeatability
Deviation with bulk solids
Deviation under EMC influence
Characteristics and performance data
Step response time
5)
Ambient conditions
Storage and transport temperature
Process conditions
For the process conditions, please also note the specifications on the type label. The lower value
always applies.
Process pressure
Process temperature (measured on the
detector tube)
Vibration resistance
Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
5)
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).
Tested according to the guidelines of German Lloyd, GL directive 2.
6)
MINITRAC 31 • Foundation Fieldbus
6)
Standard: 750 VA AC, 40 W DC (at U < 40 V DC)
USA, Canada: 750 VA AC
If inductive loads or stronger currents are switched
through, the gold plating on the relay contact surface will
be permanently damaged. The contact is then no longer
suitable for switching low-level signal circuits.
AgNi or AgSnO2 each with 3 µm gold plating
Floating transistor output, permanently shortcircuit-proof
< 400 mA
< 1 V
< 55 V DC
< 10 µA
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
860 ... 1060 mbar/86 ... 106 kPa (12.5 ... 15.4 psig)
≤ 0.1 %
The values depend to a great extent on the application.
Binding specifications are thus not possible.
≤ 1 %
≤ 5 s (with damping 1 s)
-40 ... +60 °C (-40 ... +140 °F)
Unpressurized
-40 ... +60 °C (-40 ... +140 °F)
With temperatures of more than 60 °C we recommend
the use of water cooling
mechanical vibrations up to 5 g in the frequency range
5 ... 200 Hz
11 Supplement
77