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KRD9120B PDF预览

KRD9120B

更新时间: 2024-11-19 14:56:47
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 632K
描述
Operation (Retriggerable Single Shot) Function Type A (Output Initially De-energized): Input volta

KRD9120B 数据手册

 浏览型号KRD9120B的Datasheet PDF文件第2页 
Time Delay Relays  
Dedicated - Retriggerable Single Shot  
KRD9 SERIES  
Description  
The KRD9 Series microcontroller timing circuit provides  
excellent repeat accuracy and stability. Cost effective approach  
for OEM applications that require small size, isolation, reliability,  
and long life.  
Operation (Retriggerable Single Shot)  
FunctionType A (Output Initially De-energized): Input  
voltage must be applied prior to and during timing. When the  
initiate switch is closed, (momentary or maintained) the output  
energizes and the time delay starts. On completion of the delay,  
the output de-energizes. The unit will time out if S1 remains in  
the open or closed position for the full time delay. Reclosing  
the initiate switch resets the time delay and restarts timing; the  
output remains energized. The output will not energize if the  
initiate switch is closed when input voltage is applied.  
FunctionType B (Output Initially Energized): Upon application  
of input voltage, the output energizes and the time delay starts.  
At the end of the time delay, the load de-energizes. The unit will  
time out if S1 remains in the open or closed position for the full  
time delay. Closing (re-closing) the initiate switch resets the time  
delay and restarts timing; the output remains energized.  
Wiring Diagram  
L1  
N/L2  
V = Voltage  
S1 = Initiate Switch C = Common,  
Transfer Contact  
Reset:The time delay and the output are reset when input  
voltage is removed.  
UTL = Untimed Load (optional)  
A knob is supplied for adjustable  
Features & Benefits  
units, or R terminals 4 & 5 for  
T
FEATURES  
BENEFITS  
external adjust. See external  
adjustment vs time delay chart.  
The untimed load is optional.  
Relay contacts are isolated.  
Repeat Accuracy + / - 0.5%,  
Factory calibration + / - 5%  
Microcontroller based  
Compact, low  
cost design  
Allows flexiblility for OEM applications and reduces  
labor and component costs  
Isolated, 10A, SPDT  
output contacts  
Allows control of loads for AC or DC voltages  
Protects against shock, vibration, and humidity  
Encapsulated circuitry  
Accessories  
P1004-95, P1004-95-X Versa-Pot  
Panel mountable, industrial potentiometer  
Ordering Information  
recommended for remote time delay adjustment.  
INPUT  
VOLTAGE  
FUNCTION  
TYPE  
MODEL  
ADJUSTMENT TIME DELAY  
P1023-6 Mounting bracket  
The 90° orientation of mounting slots makes  
installation/removal of modules quick and easy.  
12VDC  
KRD9120B  
Onboard  
Fixed  
0.1 - 10s  
15m  
Energized  
24VAC/DC  
KRD92115MA  
De-energized  
Energized  
KRD92115MB 24VAC/DC Fixed  
KRD9220B 24VAC/DC Onboard  
KRD93115MA 24VDC  
KRD9423B 120VAC  
15m  
P0700-7 Versa-Knob  
Designed for 0.25 in (6.35 mm) shaft of  
Versa-Pot. Semi-gloss industrial black finish.  
0.1 - 10s  
15m  
Energized  
Fixed  
De-energized  
Energized  
Onboard  
0.1 - 10m  
P1015-13 (AWG 10/12), P1015-64 (AWG 14/16)  
Female Quick Connect  
If you don’t find the part you need, call us for a custom product 800-843-8848  
These 0.25 in. (6.35 mm) female terminals are  
constructed with an insulator barrel to provide  
strain relief.  
© 2016 Littelfuse Protection Relays & Controls  
www.littelfuse.com/krd9  
Rev: 1-A-062216  

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