18
IOM (Safety) -
Installation, Operation and Maintenance
Optical Oxygen Analyzer
Section 3
Installation
Figure 14.2 - Zone 2 HazLoc - Installation Control DWG - 2P0346 (p.2)
Figure 14.3 - Zone 2 HazLoc - Installation Control DWG - 2P0346 (p.3)
AC OPTION
DC OPTION
FRONT VIEW OF JUNCTION BOX
(DOOR REMOVED)
COMMUNICATION, TRANSMITTER, RELAY,
AND CONTROL BLOCK WIRING
1. ALL FIELD WIRING MUST HAVE 300V INSULATION, MINIMUM.
POWER WIRING: 12 TO 14 AWG, STRANDED COPPER CONDUCTOR.
COMMUNICATION, TRANSMITTER, RELAY AND CONTROL WIRING:
16 TO 24 AWG, STRANDED COPPER CONDUCTOR.
POWER
INPUT
WIRING
BLOCK
COMMUNICATION, TRANSMITTER, RELAY,
AND CONTROL BLOCK WIRING
POWER
INPUT
WIRING
BLOCK
2 OF 3
C. SHIELDS
OXYvisor HAZARDOUS LOCATION
REAR TERMINAL BOARD VIEWS
UNLESS
OTHERWISE
SPECIFIED
ALL ± .015"
FRACTIONAL
.000 ± .005"
.00 ± .010"
.0 ± .015"
APVD BY
DRAWN BY
DRAWING NO
DATE
SCALE
SIZE
SHEET
PART NO.
MATERIAL/DESCRIPTION
APVD
DWN
DESCRIPTION
DATE
REV
REVISIONS
ANGLES ± 1/4°
TOLERANCES
DIMENSIONS
IN INCHES
ECO#
5200 Convair Drive Carson City, NV 89706 PH(775)883-2500 FAX (775)297-4740
B. WOLF
01/26/2018
2P0346
-
OXYvisor
PART NO.
D
NTS
FOR
REAR VIEW OF ENCLOSURE
TERMINAL COMPARTMENT
(DOOR REMOVED)
INTERNAL PROTECTIVE
CONDUCTOR TERMINAL
INTERNAL PROTECTIVE
CONDUCTOR TERMINAL
FIBER OPTIC
CONNECTION
RTD
CONNECTION
EXTERNAL PROTECTIVE
CONDUCTOR TERMINAL
A 06/26/19 INITIAL RELEASE MW BW
3 OF 3
C. SHIELDS
UNLESS
OTHERWISE
SPECIFIED
ALL ± .015"
FRACTIONAL
.000 ± .005"
.00 ± .010"
.0 ± .015"
APVD BY
DRAWN BY
DRAWING NO
DATE
SCALE
SIZE
SHEET
PART NO.
MATERIAL/DESCRIPTION
APVD
DWN
DESCRIPTION
DATE
REV
REVISIONS
ANGLES ± 1/4°
TOLERANCES
DIMENSIONS
IN INCHES
ECO#
5200 Convair Drive Carson City, NV 89706 PH(775)883-2500 FAX (775)297-4740
B. WOLF
01/26/2018
2P0346
-
OXYvisor
PART NO.
D
NTS
FOR
OXYvisor HAZARDOUS LOCATION
ZONE 2 CONNECTIONS
OXYvisor
OPTICAL OXYGEN ANALYZER
ZONE 2 UNIT
POWER SOURCE
RS485, DIGITAL INPUTS,
ANALOG OUTPUTS
2
ZONE 2
HAZARDOUS AREA
(REQUIRES ZONE 2
ORDERED OPTION)
NON-HAZARDOUS AREA
OR
ZONE 2
HAZARDOUS AREA
1
Uo
2.5 V
Vmax ≥ Uo
Io
0.5 mA
Imax ≥ Io
Co
4.92 nF
Ci + Ccable ≤ Co
Lo
16.40 µH
Li + Lcable ≤ Lo
USER SUPPLIED
WIRING AND COMPONENTS
1
WIRING TO BE INSTALLED PER THE LOCAL HAZARDOUS LOCATIONS CODE.
WIRING TO BE INSTALLED AND SEALED IN ACCORDANCE WITH IEC / EN 60079-14 OR THE NEC ARTICLE 504.20 / CEC SECTION 18
FOR INTRINSICALLY SAFE WIRING METHODS WHERE APPLICABLE
.
RTD ENTITY PARAMETERS ARE LISTED IN THE TABLE FOR A INTRINSICALLY SAFE CIRCUIT.
IF THE ELECTRICAL PARAMETERS OF THE CABLE ARE UNKNOWN, THE FOLLOWING VALUES MAY BE USED:
CAPACITANCE: 60 pF/FT
INDUCTANCE: 0.20 μH/FT
MAXIMUM CABLE LENGTH ALLOWED: 25 METERS
WHEN USING THE DC POWER OPTION, POWER MUST BE FROM CLASS 2 OR LPS SOURCE.
DC POWER OPTION: 21.6-26.5 VDC, 5W
AC POWER OPTION: 85-240 VAC, 47-63 HZ, 6W
DIGITAL INPUTS ARE 5VDC POWERED BY ANALYZER.
INPUT IS SWITCH MAKE/BREAK ONLY.
INDIVIDUAL RELAYS 24VDC ONLY:
.05 AMP PILOT DUTY, MAXIMUM
.40 AMP RESISTIVE LOAD, MAXIMUM
3
4
2
3
ENCLOSURE
5
4
RELAY CONTROLLED
DEVICES (4X)
EXTERNAL POWER FOR
RELAY CONTROLLED
DEVICES
5
ANALOG INPUT 4-20 mA
TEMPERATURE OR
PRESSURE TRANSMITTER
FIBER OPTIC
SENSOR
RTD
INTRINSIC SAFETY FIELD WIRING
2
A 06/26/19 INITIAL RELEASE MW BW
