Fairchild TT7800 - Performance Specifications; Hazardous Area Classification

2
(TAEI7800, TDEI7800)
Specifications (continued)
HAZARDOUS AREA CLASSIFICATION
Class I, Division 1, Groups C and D;
Temperature Code T6.
Class I, Division2, Groups A, B, C and D;
Class II, Division 2, Groups E, F, and G;
Type 4 Enclosure;
Rated 4-20 mA, 30 VDC Maximum;
Temperature Code T6.
CSA (Canadian Standards Association) Approvals:
Class I, Division 2, Groups A, B, C and D;
Temperature Code T4.
(TTFI7800, TRFI7800, TTFN7800, TRFN7800)
Division 2 Approvals: (4-20 mA only)
(TDCI7800, TTCI7800, TRCI7800)
Class I, Division 2, Groups A, B, C and D;
Rated 4-20 mA, 30 VDC Maximum;
Temperature Code T6.
(TACI7800)
0.7 W
0
0
3
Wmax = Maximum Power
4
Ceq = Capacitance
5
Leq = Inductance
Transducer Parameters
Umax
1
(U
i
)
Imax
2
(I
i
)
=
=
28 V
100 mA
Wmax
3
(W
i
)
Ceq
4
(C
i
)
Leq
5
(L
i
)
=
=
=
1
Umax = Maximum Voltage
2
Imax = Maximum Current
Class I, Division 1, Groups C and D;
Class II, Division 1, Groups E, F, and G;
Type 4 Enclosure;
Rated 4-20 mA, 30 VDC Maximum;
Temperature Code T6.
(TTCI7800, TRCI7800)
Approvals are valid when connected through a Shunt
Zener Diode Safety Barrier meeting the following para-
metric requirements:
System
Type 2:
FM Approval (continued):
Class I, Division 2, Groups A, B, C and D;
Class II, Division 2, Groups F, and G;
Class III, Division 2;
NEMA 4X Enclosure;
Temperature Code T4.
FM (Factory Mutual) Approvals:
(TTFI7800, TRFI7800)
Entity Parameters
Vmax
1
Imax
2
1
Vmax = Maximum Voltage
2
Imax = Maximum Current
30 VDC
200 mA
Ci
3
Li
4
0 F
0 mH
3
Ci = Capacitance
4
Li = Inductance
Class I, Division 1, Groups C and D;
Temperature Code T4.
Non-Incendive: (4-20 mA and voltage input units)
(TDFI7800, TAFI7800, TDFN7800, TAFN7800)
Intrinsically Safe: (4-20 mA only)
(TDFI7800, TAFI7800)
Dual Channel Polarized Rated: 28.5V Max. 300
Ohm Min. and 28V Diode return per channel.
Dual Channel Polarized Rated: 28.5V Max. 300
Ohm Min. and 10V Max. 50 Ohm Min.
System
Type 3:
Single Channel Polarized Rated: 28.5V Max.
300 Ohm Min.
System
Type 1:
ATEX Approvals:
Intrinsically Safe: (4-20 mA only)
(TAEI7800, TDEI7800, TTEI7800, TREI7800)
Class I, Division 1, Groups C and D;
Class II, Division 1, Groups E, F, and G;
Class III, Division 1,Fibers;
NEMA 4X Enclosure;
Temperature Code T4.
II 1G (T4)
EEx ia IIB, T4 (-20
0
C to +72
0
C Ambient).
IP65 Enclosure.
=
=
=
=
Intrinsically Safe: (4-20 mA only)
(TDCI7800, TACI7800)