VEGA VEGAMET 625 - Manual (Page 53)

53
11 Supplement
VEGAMET 625 • Double channel HART
28970-EN-130701
11 Supplement
11.1 Technical data
General data
Series
Module unit with plug-in socket for mounting on carrier
rail (35 x 7.5 according to DIN EN 50022/60715)
Weight 500 g (1.10 lbs)
Housing materials Noryl SE100, Lexan 920A
Socket materials Noryl SE100, Noryl SE1 GFN3
Connection terminals
Ʋ Type of terminal Screw terminal
Ʋ Max. wire cross-section 1.5 mm² (AWG 16)
Voltage supply
Operating voltage
20 … 253 V AC, 50/60 Hz, 20 … 253 V DC
Max. power consumption 12 VA; 7.5 W
Sensor input
Number of sensors
2 x VEGA HART sensors
Type of input (selectable) 1)
Ʋ Active input Sensor supply through VEGAMET 625
Ʋ Passive input Sensor has an own power supply
Measured value transmission
Ʋ HART multidrop protocol digital for VEGA HART sensors
Terminal voltage
Ʋ Non-Ex version approx. 28 V with 2 sensors (8 mA)
Ʋ Ex version approx. 18 V with 2 sensors (8 mA)
Current limitation approx. 45 mA (26 mA with Ex)
Adjustment range HART sensor
Ʋ Adjustment range ± 10 % of sensor measuring range
Ʋ min. adjustment delta 0.1 % of sensor measuring range
Connection cable to the sensor two-wire screened standard cable
Relay outputs
Quantity
3 x operating relay, 1 x fail safe relay
Function Switching relay for level or pulse relay for flow/sampling
pulse
Contact Floating spdt
Contact material AgSnO2, hard gold-plated
Switching voltage min. 10 mV DC, max. 250 V AC/DC
Switching current min. 10 µA DC, max. 3 A AC, 1 A DC
Breaking capacity min. 50 mW, max. 750 VA, max. 40 W DC (with U less
than 40 V) 2)