ABB TTF300 - Shielding Example: Ungrounded Housing; Shielding Example: Grounded Housing

Ex relevant specifications
CI/TTF300-EN TTF300 EN - 31
5 Ex relevant specifications
Change from one to two colu mns
5.1 TTF300-E1X, intrinsic safety ATEX
Explosion protection
Approved for use in Zone 0, 1, and 2
Designation
II 1G Ex ia IIC T6 (Zone 0)
II 2(1)G Ex [ia] ib IIC T6 (Zone 1 [0])
II 2G(1D) Ex [iaD] ib IIC T6 (Zone 1 [20])
TTF300-E1H:
EC type-examination test certificate PTB 05 ATEX 2017 X
TTF300-E1P / E1F:
EC type-examination test certificate PTB 09 ATEX 2016 X
5.2 TTF300-H1X, intrinsic safety IECEx
Designation
Ex ia IIC T6
Ex [ia] ib IIC T6
Ex [iaD] ib IIC T6
TTF300-H1H:
IECEx certificate of conformity IECEx PTB 09.0014X
TTF300-H1P / H1F:
IECEx certificate of conformity
5.3 Safety specifications for Intrinsic Safety
ATEX / IECEx
Temperature table
Permissible ambient temperature range Temperature
class
Device category 1
use
Device category 2
use
T6
-50 … 44 °C
(-58 ... 111,2 °F)
-50 … 56 °C
(-58 ... 132,8 °F)
T5
-50 … 56 °C
(-58 ... 132,8 °F)
-50 … 71 °C
(-58 ... 159,8 °F)
T4, T3, T2, T1
-50 … 60 °C
(-58 ... 140,0 °F)
-50 … 85 °C
(-58 ... 185,0 °F)
Intrinsic safety Ex ia IIC type of protection (part 1)
TTF300-E1P / -H1P
TTF300-E1F / -H1F
Supply circuit
1)
TTF300-E1H
TTF300-H1H
Supply circuit
FISCO ENTITY
Max. voltage
U
i
= 30 V
U
i
 17.5 V U
i
 24.0 V
Short-circuit
current
I
i
= 130 mA
I
i
 183 mA
2)
I
i
 250 mA
Max. power
P
i
= 0.8 W
P
i
 2.56 W
2)
P
i
 1.2 W
Internal inductance
L
i
= 0.5 mH
L
i
 10 µH L
i
 10 µH
Internal
capacitance
C
i
= 5 nF
C
i
 5 nF C
i
 5 nF
1) FISCO in accordance with IEC 60079-27
2) II B FISCO: I
i
 380 mA, P
i
 5.32 W
Intrinsic safety Ex ia IIC type of protection (part 2)
Measurement
current circuit:
resistance
thermometers,
resistors
Measurement current
circuit:
thermocouples,
voltages
Max. voltage
U
o
= 6.5 V
U
o
= 1.2 V
Short-circuit
current
I
o
= 25 mA
I
o
= 50 mA
Max. power
P
o
= 38 mW
P
o
= 60 mW
Internal inductance
L
i
= 0 mH
L
i
= 0 mH
Internal
capacitance
C
i
= 49 nF
C
i
= 49 nF
Maximum
permissible
external
inductance
L
o
= 5 mH
L
o
= 5 mH
Maximum
permissible
external
capacitance
C
o
= 1.55 µF
C
o
= 1.05 µF
Intrinsic safety Ex ia IIC type of protection (part 3)
LCD indicator interface
Max. voltage
U
o
= 6.2 V
Short-circuit current
I
o
= 65.2 mA
Max. power
P
o
= 101 mW
Internal inductance
L
i
= 0 mH
Internal capacitance
C
i
= 0 nF
Maximum permissible external
inductance
L
o
= 5 mH
Maximum permissible external
capacitance
C
o
= 1.4 µF