26
EMR
3
- Truck Installations
EMR4 Terminal & Fueling Depot Installation
Power Conditioning Requirements
Power Conditioning Requirements
Two separate electrical components are installed in EMR4 terminal - fueling depot applications - an uninterruptable
power supply (UPS) (recommended) and a +24 Vdc power supply (required). Veeder-Root recommendations for
this equipment are discussed below.
1.
UPS (Uninterrupted Power Supply)
- Optional
Veeder-Root recommends the Tripp Lite UPS model BC PERS450 (or equivalent) for up to 15 minutes of
power backup to the +24 Vdc power supply. For pricing or additional information, you can phone Tripp Lite
customer support or visit their website at
www.tripplite.com/support/bcpers450.
2.
Power supply
- UL certified, 120 watt minimum, AC to DC - Two Vendors Recommended: Digi-Key or TDK-
Lambda
Digi-Key
Model 285-2346-ND 24 Vdc, 6.5 ampere power supply. (See Figure 17 for connection wiring dia-
gram) To order, visit their website at
.
TDK-Lambda
24 volt power supply - Model No. HWS150A-24/A. To order, visit their website at
lambda.com/lp/products/hws-series.htm.
The power supply must be rated for at least 120 watts or improper operation of the EMR4
system will occur.
Power supplies are open-type devices and must be mounted in an enclosure suitable for the
application.
Figure 17. Digi-Key Power Supply Wiring Diagram
WIRE SIZE AND/OR DISTANCE LIMITATIONS
POUT-1, POUT-2, SP1, and SP2
• Wire size 16 - 24 AWG,
• 5V out length 250 ft. (76.2 m)
• 12V out length 500 ft. (152.4 m)
• 24V out length 1000 ft. (304.8 m)
NOTICE
NOTICE
+
s
+v
-V
-
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L
N
BLK
WHT
8
5 - 265 V
a
c
Inp
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t Power
BLK
GRN
BLU
BRN
GRN/YEL
DRAIN
To IB Ch
ass
i
s
Gro
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nd Cl
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mp
WHT
V+
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Termin
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l
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trip on re
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r of
Digi-Key power
su
pply
To IB
Inp
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t
Power
S
en
s
ing J
u
mper
s
M
us
t
b
e in
s
t
a
lled
Power
Su
pply
C
as
e Dimen
s
ion
s
:
4.21 x 7.7 x 1.75 inche
s
(107 x 195 x 45 mm)
North
Americ
a
Wire Color Code
s
E
u
rope
Line
Ne
u
tr
a
l
Gro
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nd
