PR electronics 5331 Bedienungsanleitung Seite 28

CSA Intrinsic Safety Installation Drawing.
5331D, 5333D and 5335D transmitters are approved as intrinsically safe in Zone
0 Group IIC or Class I,Division1,Group A,B,C,D when installed according to
Installation Drawing.
1. Connections with separate power supply and receiver.
Output: Standard 4 - 20mA loop
Receiving
Instrument
- +
-
Separate Power
Supply
+
CSA approved
Barrier
-
+
Ambient temperature limits
T4:-40 to + 85 deg. Celcius
T6:-40 to + 60 deg. Celcius
1 2
6
5 4
SENSOR
Warning:
Substitution of components may impair intrinsic safety.
The transmitters must be installed in a suitable enclosure to meet installation
codes stipulated in the Canadian Electrical Code (CEC).
2001-08-30 533XQC03.DOC
52
Non
Intrinsically safe
hazardous
Barrier Parameters.
Location
max 250V
Uo(Voc) =< 28V
Io(Isc) =< 120mA
Po =< 0,84 W
Co(Ca)>Sum(Ci+Ccable)
Lo(La)>Sum(Li+Lcable)
5331D or Terminal: 1-2
5333D or Ui(Vmax) = 28V
5335D Ii(Imax) = 120mA
Pi = 0.84W
Ci = 1 nF
Li = 10 uH
Terminal: 3,4,5,6 Hazardous
5331D or
Locations /
5333D Only passive, or non-energy
storing devices such as Sécurité
RTD's and Thermocouples Intrinséque
may be connected.
3
5335D Terminal: 3,4,5,6
Uo(Voc) = 9,6V
Io(Isc) = 28mA
Po = 67,2mW
Co(Ca) = 3,5uF
Lo(La) = 35mH
2. Connection with power supply and barrier built into receiver.
Output: Standard 4 - 20mA loop
Intrinsically safe
Barrier Parameters.
Uo(Voc) =< 28V
Io(Isc) =< 120mA
Po(Pmax) =< 0,84 W
Ca>Sum(Ci)+Ccable
La>Sum(Li)+Lcable
Ambient temperature limits
T4: -40 to + 85 deg. Celcius
T6: -40 to + 60 deg. Celcius
Warning:
Substitution of components may impair intrinsic safety.
The Transmitters must be installed in a suitable enclosure to meet installation
codes stipulated in the Canadian Electrical Code (CEC).
1/2 2001-08-30 533XQC03.DOC
Transmitter
Power Supply
built into
CSA approved
Receiving
Instrument
+ -
Terminal: 1-2
5331D or
Ui(Vmax) = 28V
5333D or
Ii(Imax) = 120mA
5335D
Pi = 0.84W
Ci = 1 nF
1 2
Li = 10 uH
Terminal: 3,4,5,6
5331D or
6 3
Only passive, or non-energy
5333D
storing devices such as
5 4
RTD's and Thermocouples
may be connected.
SENSOR
Terminal: 3,4,5,6
5335D
Uo(Voc) = 9,6V
Io(Isc) = 28mA
Po = 67,2mW
Co(Ca) = 3,5uF
Lo(La) = 35mH
Non-
hazardous
location
max 250 V
Hazardous
Locations /
Sécurité
Intrinséque
2/2
53