User's Manual

3-3
Edition 1. Ref. No: 307010E
Electrical Installation
3.2 Cables
Cable Use shielded twisted pair for connection.
Cable entry 2 x M20 x 1.5, NPT 1/2 " (cable diameter 5-9 mm)
3.3 Load
Minimum load for HART 250 W
Maximum load (Non-Ex) 810 W
Maximum load (Ex) 620 W
3.4 Power supply
Supply voltage (Non-Ex) 1836 VDC
Supply voltage (EX) 1830 VDC
IS parameters Ui=30 V, Ii=110 mA, Pi=825 mW, Li=0,
Ci=see certificate
3.5 Grounding
The terminal must be connected to ground before it is connected to other equip-
ment.