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参数资料
| 型号： | CUB7TVS0 |
| 厂商： | Red Lion Controls |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | TIMER LCD PROGRAM 8-DIGIT HV REF |
| 标准包装： | 1 |
| 系列： | CUB7 |
| 工作模式： | 累积 |
| 输出类型： | 无 |
| 电源电压： | 不需要（包括电池） |
| 端接类型： | 导线引线 |
| 显示器类型： | LCD 无背光 |
| 产品目录页面： | 2853 (CN2011-ZH PDF) |
| 其它名称： | RLC135 |
5.0 W IRING T HE M ETER
WIRING OVERVIEW
Electrical connections are made to the #22 AWG colored wires protruding
from the rear of the unit. When using the optional terminal block, the #22 AWG
colored wires are cut off and electrical connections are made via screwless type
terminal block. All conductors should conform to the meter ’s voltage and
current ratings. All cabling and wire terminations should conform to appropriate
standards of good installation, local codes and regulations. It is recommended
that the backlight power supplied to the meter (DC or AC) be protected by a fuse
or circuit breaker.
EMC INSTALLATION GUIDELINES
Although this meter is designed with a high degree of immunity to Electro-
Magnetic Interference (EMI), proper installation and wiring methods must be
followed to ensure compatibility in each application. The type of the electrical
noise, source or coupling method into the meter may be different for various
installations. The meter becomes more immune to EMI with fewer I/O
connections. Cable length, routing, and shield termination are very important
and can mean the difference between a successful or troublesome installation.
Listed below are some EMC guidelines for successful installation in an
industrial environment.
1. The meter should be mounted in a metal enclosure, which is properly
connected to protective earth.
2. Use shielded (screened) cables for all Signal and Control inputs. The shield
(screen) pigtail connection should be made as short as possible. The
connection point for the shield depends somewhat upon the application.
Listed below are the recommended methods of connecting the shield, in order
of their effectiveness.
a. Connect the shield only at the panel where the unit is mounted to earth
ground (protective earth).
b. Connect the shield to earth ground at both ends of the cable, usually when
the noise source frequency is above 1 MHz.
c. Connect the shield to common of the meter and leave the other end of the
shield unconnected and insulated from earth ground.
3. Never run Signal or Control cables in the same conduit or raceway with AC
power lines, conductors feeding motors, solenoids, SCR controls, and
heaters, etc. The cables should be ran in metal conduit that is properly
grounded. This is especially useful in applications where cable runs are long
and portable two-way radios are used in close proximity or if the installation
is near a commercial radio transmitter.
4. Signal or Control cables within an enclosure should be routed as far as possible
from contactors, control relays, transformers, and other noisy components.
5. In extremely high EMI environments, the use of external EMI suppression
devices, such as ferrite suppression cores, is effective. Install them on Signal
and Control cables as close to the unit as possible. Loop the cable through the
core several times or use multiple cores on each cable for additional protection.
Install line filters on the power input cable to the unit to suppress power line
interference. Install them near the power entry point of the enclosure. The
following EMI suppression devices (or equivalent) are recommended:
Ferrite Suppression Cores for signal and control cables:
Fair-Rite # 0443167251 (RLC# FCOR0000)
TDK # ZCAT3035-1330A
Steward # 28B2029-0A0
Line Filters for input power cables:
Schaffner # FN610-1/07 (RLC# LFIL0000)
Schaffner # FN670-1.8/07
Corcom # 1 VR3
Note: Reference manufacturer ’s instructions when installing a line filter.
6. Long cable runs are more susceptible to EMI pickup than short cable runs.
Therefore, keep cable runs as short as possible.
7. Switching of inductive loads produces high EMI. Use of snubbers across
inductive loads suppresses EMI.
Snubber: RLC# SNUB0000.
USING THE COLOR CODED WIRES
The low voltage input units will contain three or four color coded wires
depending on the backlight power requirements.
The high voltage input units will contain (2) orange wires and an additional
two or three wires depending on the backlight power requirements.
The tables define the function of each colored wire.
WHITE
Low Voltage Input
LOW VOLTAGE INPUT
Wire Colors
BLUE BLACK
Reset Common
RED
+Backlight Power
HIGH VOLTAGE INPUT
Wire Colors
ORANGE
High Voltage
Input
ORANGE
High Voltage
Input
BLUE
Reset
BLACK
Common
RED
+Backlight
Power
TERMINAL BLOCK OPTION
CONNECTIONS : Wire clamping terminals
Wire Strip Length: 0.275" (7 mm)
Wire Gage: 24-16 AWG copper wire
1 2 3
1 2 3 4
1 2 3 4 5
5
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相关代理商/技术参数 |
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| CUB7TVSO | 制造商:Red Lion Controls 功能描述:ELECTRONIC TIMER VOLTAGE LCD 制造商:Red Lion Controls 功能描述:ELECTRONIC TIMER, VOLTAGE, LCD |
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