4
Version No. V3R0
Safety Manual
9116 UniverSal converter
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 minimum span
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 Range limitations
TC type B shall not be used below +400°C
4.3
associated equipment
4.3.1 RtD or linear resistance sensor wiring
If a 2-wire or a 3-wire connection for RTD or linear resistance is selected,
Input
type
minimum span for safety
accuracy
Pt100, Pt200, Pt1000
28°C
Pt500, Ni100, Ni120, Ni1000
43°C
Pt50, Pt400, Ni50
57°C
Pt250, Pt300
85°C
Pt20
142°C
Pt10
283°C
TC: E, J, K, L, N, T, U
91°C
TC: B, R, S, W3, W5, LR
153°C
Linear resistance, R 100%
≤
800
W
53
W
Linear resistance, R 100% > 800
W
667
W