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Control Drawing (FM)
Hazardous (Classified) Location
Non-Incendive Installation
Class I, Division 2, Groups A, B, C and D
Class I, Zone 2, Group IIC
(Note 3)
Series WUC-1X
Non-incendive
Transmitter
Non-incendive Parameters:
V
= 10 ... 30 V DC, I
max
Ci = 11 nF (+ 0.3 nF/m with cable), Li = 10 µH (+ 2 µH/m with cable)
Notes:
1. The non-incendive field wiring concept allows the interconnection of two devices with non-incendive
parameters not specifically examined in combination as a system when:
Uo or Voc ≤ Vmax, Ca or Co ≥ Ci + Ccable, La or Lo ≥ Li + Lcable, Po ≤ Pi.
2. For this current controlled circuit, the parameter I
I
or I
of non-incendive field wiring apparatus.
sc
t
3. Installation shall be in accordance with the National Electrical Code
and 505.
4. The configuration of Control Equipment must be under non-incendive field wiring concept and FM
Approved.
5. Control Equipment manufacturer's installation drawing must be followed when installing this
equipment.
6. No revision to this drawing without prior approval by FM.
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WUC-1X
Non-Hazardous Location
.
red
U+/S+
.
black
U-/S-
.
brown
S+
= 30 mA (Note 2),
max
Control Equipment
(Note 4), (Note 5)
is not required to be aligned with the parameter
max
®
S-No. 11374595.01
2 wire system
wire
coding
supply +
U+ / S+
supply -
U- / S-
3 wire system
wire
coding
supply +
U+
supply -
U- / S-
signal +
S+
(ANSI/NFPA70) Sections 504
color
red
black
color
red
black
brown
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