Assumptions And Restrictions For Use Of The Product; Basic Safety Specifications; Safety Accuracy; Minimum Span - PR 9116 User Manual

Safety Manual
4

assumptions and restrictions for use of the product

4.1

Basic safety specifications

Operational temperature range................ -20...+60°C
Storage temperature range...................... -20...+85°C
Power supply type, min. .......................... Double or reinforced
Supply voltage ......................................... 19.2...31.2 VDC
Relay output pulse length, min. ............... 70 ms
Loop supply ............................................ >16.5 V @ 20 mA
External loop supply voltage ................... 5...26 VDC + external drop
(Passive output)
Mounting area .......................................... Zone 2 / Division 2 or safe area
Mounting environment ............................. Pollution degree 2 or better
4.2

Safety accuracy

The analogue output and relay output corresponds to the applied input within the
safety accuracy.
Safety accuracy ....................................... ±2%
4.2.1
For temperature measurements, the selected range (OUT.HI - OUT.LO), and for
linear resistance measurements the selected range (R 100% - R 0%), shall be
larger or equal to the values below:
4.2.2
4.3

associated equipment

4.3.1
4
9116 UniverSal converter

minimum span

Input
type
Pt100, Pt200, Pt1000
Pt500, Ni100, Ni120, Ni1000
Pt50, Pt400, Ni50
Pt250, Pt300
Pt20
Pt10
TC: E, J, K, L, N, T, U
TC: B, R, S, W3, W5, LR
Linear resistance, R 100% ≤ 800 W
Linear resistance, R 100% > 800 W

Range limitations

TC type B shall not be used below +400°C

RtD or linear resistance sensor wiring

If a 2-wire or a 3-wire connection for RTD or linear resistance is selected,
Version No. V3R0
minimum span for safety
accuracy
28°C
43°C
57°C
85°C
142°C
283°C
91°C
153°C
53 W
667 W