I.S. CONTROL, PRISM PI SERIES
NS
9/1/2016
KK
RB
NK
105432
SHEET
2
A
TOLERANCES
*
(UNLESS OTHERWISE SPECIFIED):
X.XXX
±
.005 ANGLES
±
0° 30'
X.XX
±
.010 FINISH f 125 RMS
X/X
±
.015
*
DIMENSIONS: INCHES (UNLESS OTHERWISE SPECIFIED)
A
1
SCALE
REV.
DRAWING NO.
SIZE
TITLE
APPD.
CHK.
DR.
DATE
RESTRICTED
THIS DRAWING AND ALL INFORMATION CONTAINED
HEREIN IS THE PROPERTY OF AND IS SUBJECT TO
CHANGE BY STONEL. DRAWING IS NOT TO BE
REPRODUCED OR REVEALED TO ANY OTHER PARTY
UNLESS AUTHORIZED BY STONEL.
NELES USA INC., FERGUS FALLS, MN 56537 USA
R
E
V
I
S
I
O
N
S
OF
REVISION ECO DATE BY
(6) OPEN -
(5) OPEN +
(3) SOL PWR +
(4) SOL PWR -
Prism
Module
HAZARDOUS
(CLASSIFIED)
LOCATION
S
t
o
n
e
L
E
n
c
l
o
s
u
r
e
NAMUR
Barrier
Solenoid Coil
Barrier
(7) CLOSED +
NAMUR
Barrier
(8) CLOSED -
Intrinsically Safe
Ground
NON-HAZARDOUS
(SAFE AREA)
LOCATION
User Supplied
I.S. Solenoid
(2) SOL OUT -
(1) SOL OUT +
INSTALLATION NOTES:
(US - Class I, II, III, Division 1 & 2, Groups A, B, C, D, E, F, G T5; Class I / Zone 0 / AEx ia IIC T5)
(Canada - Class I, II, III, Division 1 & 2, Groups A, B, C, D, E, F, G T5; Class I / Zone 0 / Ex ia IIC T5)
Entity Parameters:
Sensors: Ui (Vmax) = 22 VDC; Ii (Imax) = 120 mA; Pi = 0.4 W; Ci = 3 nF; Li = 0 H
Solenoid Junction Terminals: Ui (Vmax) = 28 VDC; Ii (Imax) = 120 mA; Ci_junction* = 0 F; Li_junction* = 0 H
* Solenoid installation shall meet: Ca
³
Ci_solenoid + Ci_junction + Ccable; La
³
Li_solenoid + Li_junction + Lcable;
1. The Associated Apparatus must be FM Approved.
2. The Entity Concept allows interconnection of intrinsically safe apparatus with associated apparatus when the
following is true: Voc, Vt or Uo < Ui (Vmax); Isc, It or Io < Ii (Imax); Ca > Ci + Ccable; La > Li + Lcable.
3. Dust-tight conduit seal must be used when installed in Class II and Class III environments.
4. Control equipment connected to barrier must not use or generate more than 250 Vrms or Vdc.
5. Installation should be in accordance with ANSI/ISA RPA12.06.01 "Installation of Intrinsically Safe Systems for
Hazardous (Classified) Locations" and the National Electrical Code (ANSI/NFPA 70) or in accordance with the
Canadian Electric Code.
6. Associated apparatus manufacturer's installation drawing must be followed when installing this equipment.
7. To maintain intrinsic safety, wiring associated with each sensor or solenoid coil wiring must be run in separate
cables or separate shields connected to intrinsically safe (associated apparatus) ground.
8. Conduit Grounding - Upon installation verify electrical continuity between conduit and ground terminal.
9. Resistance between Intrinsic Safe Ground and earth ground must be less than one ohm.
Specific Conditions of Use:
1. Part of the enclosure is constructed from plastic. To prevent the risk of electrostatic sparking the plastic surface
should only be cleaned with a damp cloth.
2. For Division 2 installation the Turck minifast® and eurofast® male receptacles shall be mated with a Turck minifast
and eurofast female cordset and the use of tool secured Turck lokfast® guard is required.
3. Prism installation must be per installation instructions and must use the gaskets supplied with the Prism Mounting
Kit.
4. Prism must be installed on equipment that maintains the Prism enclosure rating.
INSTALLATION NOTES:
(II 1 G Ex ia IIC T5 Ga / II 1 D Ex ia IIIC T100°C Da)
Entity Parameters:
Sensors: Ui (Vmax) = 22 VDC; Ii (Imax) = 120 mA; Pi = 0.4 W; Ci = 3 nF; Li = 0 H
Solenoid Junction Terminals: Ui (Vmax) = 28 VDC; Ii (Imax) = 120 mA; Ci_junction* = 0 F; Li_junction* = 0 H
* Solenoid installation shall meet: Ca
³
Ci_solenoid + Ci_junction + Ccable; La
³
Li_solenoid + Li_junction + Lcable;
1. The Associated Apparatus must be FM Approved.
2. The Entity Concept allows interconnection of intrinsically safe apparatus with associated apparatus when the
following is true: Voc, Vt or Uo < Ui (Vmax); Isc, It or Io < Ii (Imax); Ca > Ci + Ccable; La > Li + Lcable.
3. Dust-tight conduit seal must be used when installed in Class II and Class III environments.
4. Control equipment connected to barrier must not use or generate more than 250 Vrms or Vdc.
5. Installation should be in accordance with appropriate local code and practice.
6. Associated apparatus manufacturer's installation drawing must be followed when installing this equipment.
7. To maintain intrinsic safety, wiring associated with each sensor or solenoid coil wiring must be run in separate
cables or separate shields connected to intrinsically safe (associated apparatus) ground.
8. Conduit Grounding - Upon installation verify electrical continuity between conduit and ground terminal.
9. Resistance between Intrinsic Safe Ground and earth ground must be less than one ohm.
Specific Conditions of Use:
1. To prevent the risk of electrostatic sparking, the equipment enclosure shall be cleaned only with a damp cloth.
PI45S11
A 09/13/18 BK11752
Control
Equipment
Intrinsic Safety Barrier
(Associated Apparatus)
Separate
Shields
Pass-thru Solenoid
Junction with infallible LED
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