Instruction manual

7532 Radar Tank Gauge
Varec, Inc. 27
5.2 Connecting the Measuring Unit
5.2.1 Terminal compartment
The housing features a separate terminal compartment.
Figure 5-3: Housing with a Separate Terminal Compartment
5.2.2 Load HART
Minimum load for HART communication: 250 
5.2.3 Cable entry
• Cable gland: 2 x M20x1.5
• Cable entry: 2 x G½ or 2 x ½NPT
5.2.4 Supply voltage
DC voltage: 16 to 36 V DC
Table 5-1: Supply Voltage
5.2.5 Power consumption
• Max. 330 mW at 16 V
• Max. 500 mW at 24 V
• Max. 600 mW at 30 V
• Max. 700 mW at 36 V
1
1
2
2
3
3
4
4
5
5
power supply signal
Communication Terminal voltage minimum maximum
Power supply Standard U (20 mA) = 16 V 36 V
Ex U (20 mA) = 16 V 30 V
Signal Ex U (4 mA) = 11.5 V 30 V
U (20 mA) = 11.5 V 30 V