XNX Universal Transmitter
Control Drawings
176
Suitable and provides intrinsically safe circuit for use in:
UL USA/Canada CSA USA/Canada FM USA IECEx & ATEX & KTL & INMETRO Russia
Division
Ratings
Class I, Div 1 Groups A, B, C & D Groups B, C & D NO N/A N/A
Class II, Div 1 Groups F & G Groups F & G
When MPD remote
mounted
Zone Ratings Class I, Zone 1,
Group IIC, T6
Class I, Zone 1, Group
IIB + H2, T6
Class I, Zone 1,
AEx db [ia] IIC Gb
See Note 8
Ex db IIC T4/T6 Gb
Ex db [ia
IIC Ga] IIC T4/T6 Gb
1Ex db IIC T4/T6X
1Ex db [ia IIC] IIC T4/T6X
Class II, Zone20 &
21
NO NO Ex tb IIIC T85°C Db
Ex tb [ia IIIC Da] IIIC T85°C Db
Ex tb IIIC T85°CX
Ex tb [ia IIIC] IIIC T85X
Ambient Temperature Range - 40°C to +65°C (-40°F to +149°F) when contain
Hart I.S. barrier or EC I.S. barrier,
Otherwise - 55°C to +65°C (-67°F to +149°F)
NEMA 4X & IP66
Ta = - 40°C to +65°C - 40°C to +65°C
IP66
- 60°C to +65°C
IP66
T Code T6 - Defa
ult * T4 T6 - Default *
* The rating of the XNX will default the lowest T-Code of any accessory connected to it within the hazardous area. Some common accessories have T
codes as follows (examples only – follow certification label on accessory):
Communication Devices (ia) – connected to HART intrinsically safe barrier in XNX:
HART Handheld by Emerson Model 475 Field Communicator – T4
HART Handheld by Honeywel
l Model MCT404 – T4
Sensors or Sensing Accessories (ia) – connected to EC intrinsically safe barrier in XNX:
EC Sensor – T4
Sensors or Sensing Accessories directly connected to XNX:
MPD – T6
Optima Plus – T86°C (-40 to +55°C), T96°C (-40 to +65°C)
Excel – T6 (-40 to +55°C), T5 (-40°C to +65°C)
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