D3142數字變送器 美國omega
 

OMEGABUS Computer-to-Analog OutputModules
D3000 and D4000
1年保修 OmegaCare
OMEGABUS Computer-to-Analog OutputModules
D3000 and D4000:OMEGABUS Computer-to-Analog OutputModules
D3131
Analog Output Ranges: 0-1 V, ±1 V, 0-5 V, ±5 V, 0-10 V, ±10V, 0-20 mA, 4-20 mA
Programmable High/Low Output Limits
500 V rms Output Isolation
Scaling in Engineering Units
12-Bit Resolution
Baud Rates: 300 to 38,400
Output Protection: 240 Vac (Current Output), ± 30 V (Voltage Outputs)
值和D4000計算機模擬輸出接口被設計成安裝于主機遙控和標準的RS-232和RS-485串口通信。簡單的ASCII命令用于模擬轉換器，是擴展提供了常用的電流和電壓范圍的12位數字控制。一個板載微處理器提供通信接口和多功能智能模擬輸出。這些模塊提供了一個非常靈活，易于使用和成本效益的方法，數據采集。值和D4000與omegabus?d1000和D2000兼容，可用于任何組合。多達124個模塊可串成一組導線。所有模塊都配有螺絲端子插頭連接器和圈養安裝硬件。該連接器允許系統擴展，重構，或維修不干擾現場接線。它們的小尺寸允許他們可以安裝在幾乎任何位置或位置包括防爆外殼和DIN導軌。實用軟件（d1000-sw）可以在一個IBM兼容的磁盤不收費的要求。D4000模塊提供了一些額外的功能。壓擺率可以編程，使其輸出斜坡在一個浮動利率在上升或下降的方向。坡道可以啟動和維護命令從計算機或外部開關關閉模塊。D4000模塊提供了一個回讀功能可以讓計算機輸出的完整性驗證。D4000模塊還包括一個看門狗定時器電路，可以這樣設定的，如果計算機無法與模塊的預設時間后，該模塊將自動重置一個可調的默認值。這zui大限度地減少通信故障的風險。的A1000 RS-232到RS-485轉換器和中繼器可以在您的PC RS-485端口不可用的應用，它是必要的長距離通信。的A1000也提供電源模塊。RS-232模塊可以用于距離小于50英尺。

Common Specifications, D3000 and D4000 ANALOG OUTPUT
Single channel analog output
Voltage: 0-1 V, ± 1 V, 0-5 V, ± 5 V, 0-10 V, ± 10 V
Current: 0-20 mA
Input isolation to 500 V rms
12-bit measurement resolution
Accuracy (integral and differential non-linearity): 0.1% FSR (max)
Zero drift: ±30 μV/°C (voltage output) ±1.0μA/°C (current output)
1000 conversions per second
Settling time to 0.1% FS 300 μs typical (1 ms max)
Programmable output slew rate: 0.01 V/s (mA/s) to 10,000 V/s (mA/s) (D4000 only)
Autozero and autocalibration-no adjustment pots
Voltage compliance: ±12 V
Output current, short circuit current: 5 mA min, 10 mA max
ANALOG OUTPUT READBACK (D4000)
8-bit analog-to-digital converter
DIGITAL INPUTS
Voltage levels: ±30 V without damage
Switching levels: High, 3.5 V min, low, 1.0 V max
Internal pull-up resistors for direct switch input
COMMUNICATIONS
RS-232, RS-485
Up to 124 modules with A1000 converter/repeater, 32 without A1000
User selectable channel address (via software command)
Selectable baud rates: 300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K
ASCII format command/response protocol
Parity: odd, even, none
All communications setups (address, baud rate,parity) stored in nonvolatile memory using EEPROM
Checksum can be added to any command or response
Communications distance up to 10,000 feet with RS-485 modules
Power Requirements: Unregulated +10 V to +30 Vdc, 0.75 W max (voltage output), 1.0 W max (current output)
Case: ABS with captive mounting hardware
Connectors: screw terminal barrier plug (supplied)
Temperature Range: Operating: -25°C to 70°C
Storage: -25°C to 85°C
Relative Humidity: 0 to 95% non-condensing

產品型號  產品描述
D3000 Series Output Module - Voltage Output
D3131  RS-232C input, +-5 V output
D3132  RS-485 input, +-5 V output
D3141  RS-232C input, +-10 V output
D3142  RS-485 input,+-10 V output
D3171  RS-232C input, 0 to 5 V output
D3172  RS-485 input, 0 to 5 V output
D3181  RS-232C input, 0 to 10 V output
D3182  RS-485 input, 0 to 10 V output
D3000 Series Output Module - Current Output
D3251  RS-232C input, 0 to 20 mA output
D3252  RS-485 input, 0 to 20 mA output
D4000 Series Output Module - Voltage Output
D4121  RS-232C input, +-1 V output
D4122  RS-485 input, +-1 V output
D4131  RS-232C input, +-5 V output
D4132  RS-485 input, +-5 V output
D4141  RS-232C input, +-10 V output
D4142  RS-485 input, +-10 V output
D4000 Series Output Module - Current Output
D4251  RS-232C input, 0 to 20 mA output
D4252  RS-485 input, 0 to 20 mA output

產品型號說明
(1) (2) (3)
D
選項描述
(1) Model
選擇
3 代表 basic analog output module - 3000 series
4 代表 enhanced analog output module - 4000 series
(2) Output Range
選擇
12 代表 ±1 V
13 代表 5 V
14 代表 ±10 V
16 代表 0 to 1V
17 代表 0 to 5V
18 代表 0 to 10V
25 代表 0 to 20mA
(3) Communication Interface
選擇
1 代表 RS-232C
2 代表 RS-485

 D3142數字變送器 美國omega

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