Yokogawa Wireless Temperature Transmitter YTA510 - Manual (Page 50)

<8. Handling Caution>
8-10
IM 01C50T02-01E
*4: Associated Nonincendive Field Wiring Apparatus
manufacturer’s installation drawing must be followed
when installing this equipment.
*5: No revision to drawing without prior FM Approvals.
*6: Terminator and supply unit must be FM Approved.
*7: If use ordinary wirings, the general purpose equipment
must have nonincendive field wiring terminal approved by
FM Approvals.
*8: The nonincendive field wiring circuit concept allows
interconection of nonincendive field wiring apparatus with
associated nonincendive field wiring apparatus, using any
of the wiring methods permitted for unclassified locations.
*9: Installation requirements;
Vmax ≥ Voc or Vt
Imax = see note 10
Ca ≥ Ci + Ccable
La ≥ Li + Lcable
*10: For this current controlled circuit, the parameter (Imax) is
not required and need not be aligned with parameter (Isc
or It) of the barrier or associated nonincendive field wiring
apparatus.
Electrical Data:
• Supply Input (+ and –)
Maximum Input Voltage Vmax: 32 V
Maximum Internal Capacitance Ci: 1.5 nF
Maximum Internal Inductance Li: 8 µH
• Sensor Output (1 to 5)
Maximum Output Voltage Voc: 6.7 V
Maximum External Capacitance Co: 1.6 µF
Maximum External Inductance Lo: 7.2 mH
8.1.4 IECEx Certification
A) IECEx Flameproof Type and Dust Ignition
Proof Type
Caution for IECEx flameproof type and Dust Ignition
Proof Type
Note 1. Model YTA320/SF2 temperature
transmitters are applicable for use in
hazardous locations:
* No. IECEx KEM 07.0044
* Applicable Standard: IEC 60079-0:2004,
IEC 60079-1:2007-4, IEC 61241-0:2004,
IEC 61241-1:2004
* Type of Protection and Marking Code:
Ex d IIC T6/T5, Ex tD A21 IP67 T70°C,
T90°C
* Ambient Temperature for Gas
Atmospheres:
–40 to 75°C (T6), –40 to 80°C (T5)
* Ambient Temperature for Dust
Atmospheres:
–40 to 65°C (T70°C), –40 to 80°C (T90°C)
* Enclosure: IP67
Note 2. Electrical Data
* Supply voltage: 42 V dc max.
* Output signal: 4 to 20 mA
Note 3. Installation
* All wiring shall comply with local
installation requirement.
B) IECEx Intrinsically Safe type / type n
Caution for IECEx Intrinsically Safe and type n.
Note 1. Mode YTA320 temperature transmitter with
optional code /SS25 are applicable for use
in hazardous locations.
* No. IECEx CSA 05.0014
* Applicable Standards: IEC 60079-0:2000,
IEC 60079-11:1999, IEC 60079-15:2001
* Ex ia IIB/IIC T4, Ex nL IIC T4;
* Ambient Temperature: –40 to 60°C
* Enclosure: IP66 and IP67
Note 2. Electrical Data
* Intrinsic Safety Electrical Parameters
Ex ia IIC[Entity]: Ui=24 V, Ii=250 mA,
Pi=1.2 W, Ci=1.5 nF, Li=8 µH
Ex ia IIC[FISCO]: Ui=17.5 V, Ii=360 mA,
Pi=2.52 W, Ci=1.5 nF, Li=8 µH
Ex ia IIB[FISCO]: Ui=17.5 V, Ii=380 mA,
Pi=5.32 W, Ci=1.5 nF, Li=8 µH
Sensor Output: Uo=7.7 V, Io=70 mA,
Po=140 mW, Co=1.6 µF, Lo=7.2 mH
* Type “n” Electrical Parameters
Ex nL IIC: Ui=32 V, Ci=1.5 nF, Li=8 µH
Sensor Output: Uo=7.7 V, Io=70 mA,
Po=140 mW, Co=1.6 µF, Lo=7.2 mH
Model YTA320 Temperature transmitter with
optional code /SS25 can be selected the type of
protection (IECEx Intrinsically Safe or type n) for
use in hazardous locations.
Note 1. For the installation of this transmitter, once
a particular type of protection is selected,
another type of protection cannot be used.
The installation must be in accordance with
the description about the type of protection
in this instruction manual.
Note 2. In order to avoid confusion, unnecessary
marking is crossed out on the label other
than the selected type of protection when
the transmitter is installed.