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

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. V1R0
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