Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
48
Note:
HoneywellAanalyticsrecommendsthatExcelorOptimaandtheXNXtransmitterbewiredtobuilding
ground.Thesystemshouldbegroundedatonlyonepoint.
HART
20 mA
Operation
LOCAL
J1
S1
+V 1-1
Searchline
Searchpoint
4-20mA
HART
18-32 VDC
13.2W max.
1-2
-V 1-3
1-4
+mA 1-5
-mA 1-6
1-7
- Ir
+ Ir
1-8
Sig 1-9
S1
Source
Sink
Isolated
S2
S2
Ir TB-1
TB-2 Ir Data
S3
Source
Sink
S4
▼▼
▲▼
▼▲
S2S1
Isolated
Sink
Source
J1 - Local HART Connector
S1 and S2 - 20mA Output
Jumper Switch
S3 and S4 - IR 20mA Input
Jumper Switch
XNX IR TB-1
▼
▲
▼
▲
S4S3
Sink
Source
TB2
Terminal No.
From Searchpoint
Optima Plus
Searchline Excel
A Blue
B Orange
TB1
Terminal
No.
Desc.
From Searchpoint
Optima Plus
Searchline Excel
1 +24v
SeeSection2.2.4
CommonConnections
.
2
3 0VDC
4
5 +20mA
6 -20mA
7 +24VDC Red
8 0VDC Black
9 Sig-20mA White
XNX
Desc.
From Searchpoint Optima Plus
Searchline Excel
Earth Green/Yellow
1
2
3
4
5
6
7
8
9
TB1
TB2
Figure 51. XNX IR
Personality Board Terminal
Blocks, Jumper Switches
and Wiring Guide
Local HART
IS Barrier
(optional)
HART
Adaptor
Optional Local HART
IS Barrier must be
connected to J1
Searchpoint
Optima Plus
4
3
2
1
Sig
Gnd
+24
+
9
8
7
6
5
J1 HART
S1 S2
Terminal Block 1
B
A
2
1
Terminal Block 2
IR Data
S3 S4
To Building
Ground
To Building
Ground
Figure 52. IR Personality Wiring - Searchpoint Optima Plus


Honeywell XNX Specifications

General

Ingress Protection	IP66/67
Product Type	Universal Transmitter
Enclosure Rating	IP66/67
Display	LCD
Communication Protocols	HART, Modbus, Foundation Fieldbus
Power Supply	24 VDC nominal, 18-32 VDC
Operating Temperature	-40°C to +65°C (-40°F to +149°F)
Material	Aluminum or Stainless Steel
Gas Types	Toxic, Oxygen, and Combustible gases
Output	4-20 mA
Relays	3 programmable relays
Approvals	ATEX, IECEx, UL, CSA
Sensor Compatibility	Electrochemical, catalytic, infrared, and other sensor types