Honeywell霍尼韋爾單回路溫度控制器T9275A1002終于到貨
年末下單，暢享超值優(yōu)惠，現(xiàn)在購(gòu)買Honeywell霍尼韋爾單回路溫度控制器T9275A1002，即有機(jī)會(huì)獲取年度超低折扣。
Honeywell霍尼韋爾單回路溫度控制器T9275A1002目前正在年末特賣，庫(kù)存現(xiàn)貨，全國(guó)配送，正品保證，假一賠百，認(rèn)準(zhǔn)霍尼韋爾樓宇自控產(chǎn)品中國(guó)總代理——深圳市松賢機(jī)電設(shè)備有限公司（http://linfengwood.cn）。
Honeywell霍尼韋爾單回路溫度控制器T9275A1002
英文資料介紹：
APPLICATION
This standalone microprocessor based LCD temperature controller provides proportional plus integral (P+I) and on/off temperature control for commercial Heating, Ventilating and Air Conditioning systems such as Hydronic Heating, Air Handling Unit, Heating Exchanger or Condensing Tower.
The T9275A1002 has a modulating analog 2 to 10Vdc or 4 to 20mA output and a 2A on/off output to realize various optional control functions including cool/heat changeover, cool/heat sequence control, emergency interlocking and auto-alarming control.
FEATURES
? PI (proportional plus integral) control action provides accurate, stable and comfortable temperature control.
? Be able to use with series 70 direct-coupled damper actuator or valve actuators like ML7420, ML7421 or ML7984.
? Big bakclit LCD to display both setting and measured value together features friendly user interface.
? Adjustable Zero Energy Band, On/Off Differential, Proportional Band and Temperature Offset.
? Analog output is manually setting available to be convenient for installation commission
? Optional 2 to 10Vdc or 4 to 20mA and reversible analog output
? Selectable internal and external temperature sensor.
? Match with Honeywell standard NTC20 temperature sensors.
? Wide temperature control range (–20 to 1100C by using external temperature sensor) is suitable for extreme temperature control such as steam and ice water.
? Meet various mounting requirements—direct wall mounting, front panel mounting and standard DIN rail mounting.
? Selectable horizontal or vertical wiring direction.
? Pluggable terminal block allows pre-wiring outside of the controller.
? Concisely designed push button for easy operation
? Compact size and slim design provide elegant and attractive modern style appearance
SPECIFICATIONS
IMPORTANT: The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifications. Also, this product is tested and calibrated under closely controlled conditions and some minor differences in performance can be expected if those conditions are changed.
MODELS:
T9275A provides 4 to 20mA or 2 to 10Vdc Proportional plus Integral modulating control and 4(2)A On/Off control.
MOUNTING:
T9275A1002 temperature controller is fit for following mounting methods:
? Direct wall mounting with standard electrical mounting box.
? Front panel mounting with available installation elements
? DIN rail mounting.
TERMINALS:
Plug-in screw terminals are suitable for no. 20AWG wire.
POWER SUPPLY:
AC24V + 20%, 50/60Hz, 2VA.
OPERATING AMBIENT:
0-600C, 5-95%RH
ACCURACY:
0.10℃
SETPOINT RANGE
10-600C (internal temperature sensor)
-20-1100C (external temperature sensor)
REMOTE SENSOR:
NTC20, Maximum 50m cable length (line resistance < 4.5Ω)
ANALOG OUTPUT:
2 to 10Vdc
or 4 to 20mA
DIGITAL OUTPUT:
2A, 24Vac
IP CODE:
IP30
OPERATING PARAMETER:
See Table 2 for installer selections.
Table 2 – Option Settings
Parameter Selection
Zero Energy Band 1.5 or 3.0℃
On/Off Differential 0 to 3℃ (0.5℃ step change)
Proportional Band 2 to 19℃ (10℃ step change)
Offset -3 to 30℃ (0.5℃ step change)
Set point Definition Heating, Cooling, H/C midpoint,
Heating/Alarming or Cooling/Alarming
Main Sensor Remote or Internal
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