Honeywell XNX-AM Series, Technical Manual, Page: 141 / 207

XNX Universal Transmitter
Specifications 139
Hazardous Area Approvals
(
See Certifications by Part Number Series for other [pending] approvals)
XNX-UT**-*****
UL and CSA Listed (see notes below)
Class I, Div. 1 Group A, B, C & D; Class I, Zone 1 Group IIC
UL Listed
Class II, Div. 1 Groups F & G, Class II, Zone 20 & 21
FM Approvals Listed
AEx db IIC T6 Gb -40 ºC ≤Tamb ≤65 ºC
AEx db [ia] IIC T6 Gb -40 ºC ≤Tamb ≤65 ºC (XNX UT*E-***** & XNX-UT*-*H****)
XNX-AM**-*****
UL/Demko 09 ATEX 0809943X / IECEx UL 09.0010X
II 2 G Ex db IIC T6…T4 Gb
II 2 (1) G Ex db [ia IIC Ga] IIC T6…T4 Gb
II 2 (1) D Ex tb [ia IIIC Ga] IIIC T85°C Db
II 2 D Ex tb IIIC T85°C Db
IP66, -40°C
≤ Tamb ≤ +65°C
XNX-BT**-*****
UL Listed
Class I, Div. 1 Groups A, B, C & D Class I, Zone 1 Groups IIC
Class II, Div. 1 Groups F & G, Class II, Zone 20 & 21
INMETRO DNV 18.0166X
Ex db IIC T6…T4 Gb
Ex db [ia Ga] IIC T6…T4 Gb
Ex tb [ia Da] IIIC T85°C Db
Ex tb IIIC T85°C Db
IP66, -40°C ≤ Tamb ≤ +65°C
FM Approvals Listed
AEx db IIC T6 Gb -40 ºC ≤Tamb ≤65 ºC
AEx db [ia] IIC T6 Gb -40 º≤ Tamb ≤65 ºC (XNX BT*E-***** & XNX-BT*-*H****)
NOTES:
1.
The temperature class (T6) is limited to T4 when the MPD sensor is attached locally to the
transmitter.
2. XNX EC cartridges and Remote Mount Kit have been evaluated by Underwriters Laboratories (UL)
to Canadian National Standards.
3. CSA Listing is only to Class I, Division 1 does not include Class II, Div.1 approval
4. Peer to peer and multi-drop network (daisy chained) HART, Modbus®, and FOUNDATION™
Fieldbus configurations have not been evaluated by CSA to the requirements of CSA 22:2 No.
152 for Combustible Gas Detection and may be used only for diagnostics and data collection.
5. Refer to the control drawing 1226E0402 for the detail Explosion-proof specification.
Performance Approvals
See Certifications by Part Number Series for other approvals
Communication Options
Relays
Type: 3 form “C” SPCO contacts for alarm and fault indication.
Rating: 250 VAC, 5A/24 VDC, 5A (2 Alarm, 1 Fault)
A remote reset is provided to silence alarms. (The FOUNDATION Fieldbus, relay, and
Modbus options are mutually exclusive.)
Modbus
Modbus/RTU over RS-485 physical layer. Interface isolated; includes switchable
120 Ohm termination resistor.
Baud rates: 1200 to 38,400; 19,200 default.
(The FOUNDATION Fieldbus, relay, and Modbus options are mutually exclusive.)
FOUNDATION
Fieldbus
H1 Physical Layer.
31.25 kbit/s Manchester encoded signal.
AMIS-49200 Fieldbus MAU (media access unit).
SPC4-2 Fieldbus Controller.
The FOUNDATION Fieldbus, relay, and Modbus options are mutually exclusive.