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D7100 Series - TDR Level Instrument - User's Manual
A-2.3
EEx i equipment
A-2.3.1
Wiring
1. Wire as for a standard device. Cable entries are supplied on customer
demand; those supplied by the customer must have a degree of ingress
protection IP ≥ 68 according to EN 60529. Supply the EEx i equipment
connected to the device. Use certified intrinsically-safe equipment only.
2. Maximum intrinsically safe values for the first and second outputs:
Ui <
_ 30 V
Ii <
_ 300 mA
Pi <
_ 1W
A-2.3.2
Ci = 30 nF
Li = 0.2 mH
Supply voltage
Terminal
1
2
Minimum voltage at terminal
for an output of 22 mA
14 VDC
10 VDC
A6
Maximum voltage at terminal
for an output of 22 mA
30 VDC
30 VDC