ISA總線數(shù)據(jù)采集卡選型

ISA Bus Date Acquisition Boards
Contents
3
ISA Bus Data Acquisition Boards
Isolated Data Acquisition Boards
Selection Guide ...........................................................................................3-1
ISO-AD32H / ISO-AD32L ............................................................................3-2
ISO-LDH / ISO-LDL .....................................................................................3-4
ISO-813 .......................................................................................................3-6
ISO-DA8 / ISO-DA16 ...................................................................................3-7
ISO-P32C32 / ISO-P64 / ISO-C64 ..............................................................3-9
ISO-730 .....................................................................................................3-11
ISO-P8R8DIO / ISO-P16R16DIO ..............................................................3-12
Multi-Function Boards
Selection Guide .........................................................................................3-13
A-826PG ....................................................................................................3-14
A-823PG / A-822PG ..................................................................................3-16
A-821PG ....................................................................................................3-18
A-812PG ....................................................................................................3-20
A-8111 .......................................................................................................3-21
ISA-Bus Data Acquisition Boards
A-626 / A-628 ............................................................................................3-22
A-812PG / A-8111 / A-626 / A-628 Pin Assignment .................................3-23
DIO-144 / DIO-96 / DIO-48 / DIO-24 .........................................................3-24
DIO-64 .......................................................................................................3-26
TMC-10 ......................................................................................................3-27Selection Guide
ISA總線隔離數(shù)據(jù)采集卡
sdraoB
O/I
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ASI
Model No. ISO-AD32H/L ISO-813 ISO-LDH/L ISO-DA8 ISO-DA16
Bus AT
32 S.E.
Analog Input Channels 32 S.E. 1 - -
16 DIF
Strain Gauge Input - - 1 - -
Analog Input Resolution 12 -bit - -
10,±5,±2.5, ±10,±5,±2.5,1.25 ,
Bipolar Low Gain - - -
1.25,±0.625 0.625, ±0.3125
Analog ±10,±5,±1,±0.5,±0.1
Bipolar High Ga in - - - -
Input 0.05,±0.01,±0.005
Range 0~10,0~5,0~2.5, 0~10,0~5,0~2.5, 0~10,0~5,0~2.5
Unipolar Low Gain - -
(V) 0~1.25 0~1.25,0~0.625 0~1.25
0~10,0~1,0~0.1, 0~10,0~1,
Unipolar High Gain - - -
0~0.01 0~0.1,0.01
3
Channels - - - 8 16
Resolution - - - 14-bit
Analog
±10,±5,
Output Range (V) - - -
0~5,0~10
Range (mA) - - - 0~ 20,4~20
On-Board FIFO 1K bytes - 1K bytes - -
Speed 200KHz 10KHz 16KHz - -
8 isolated input
7 isolated O.C. 16 TTL Input 16 TTL Input
Digital I/O Channels - -
output 16 TTL Output 16 TTL Output
8 TTL Ou tput
Channel Scan Yes - - - -
Dimensions (mm) 173 x 122 174 x 122 190 x 122 182 x 122
Page 3-2 3-6 3-4 3-7
隔離數(shù)字量I/O, 繼電器輸出卡選型指南
Model N O. ISO-P32C32 ISO-C64 ISO-P64 ISO-730 P8R8DIO P16R16DIO
Bus AT
Isolated Input
32 - 64 16 8 16
Channels
Input Range 5~30V - 5~30V 5~30V 5~2 4V 5~24V
Isolated Output
32 64 - 16 8 16
Channels
Open-collector Relay
Open-collector Open-collector
Driving Capacity 100 mA sink 125VAC@0.5A
100 mA sink 100 mA sink
200 mA max. 30VDC@1A
16DI
Non-isolated DI/O - - - - -
16DO
Built-in On Board Built-in Built-in 4 Form C relay 8 Form C relay
Other Function
DC/DC Fuse , LED DC/DC DC/DC 4 Form A relay 8 Form A relay
2-1
1 x 40-pin 4 x 20-pin 1 x 40-pin
Connectors 1 x DB-37
1 x DB-37 1 x DB-37 1 x DB-37
DB-37,DN-37,
Daughter Board DB-37,DN-37,DB-8125 DB-37,DN-37,DB-8125
DB-8125,D B-8025
D imensions (mm) 163 x 115 172 x 124 157 x 105 175 x 121
Page 3-9 3-11 3-12
3-1模擬量輸入卡
ISA

在工業(yè)自動(dòng)化控制領(lǐng)域，ISA（Industry Standard Architecture，行業(yè)標(biāo)準(zhǔn)體系結(jié)構(gòu)）總線是一種早期廣泛應(yīng)用的計(jì)算機(jī)局部總線標(biāo)準(zhǔn)，主要用于連接各種現(xiàn)場(chǎng)設(shè)備和信號(hào)處理器。當(dāng)你需要為特定應(yīng)用選擇ISA總線的數(shù)據(jù)采集卡時(shí)，主要需考慮以下幾個(gè)關(guān)鍵因素： 1. **系統(tǒng)兼容性**：確認(rèn)你的現(xiàn)有控制系統(tǒng)或平臺(tái)是否支持ISA總線接口，以及該系統(tǒng)允許的最大ISA插槽數(shù)量。 2. **通道數(shù)與類型**： ISA總線數(shù)據(jù)采集卡通常提供多個(gè)輸入/輸出（I/O）通道，包括模擬量輸入(AI)、數(shù)字量輸入(DI)、模擬量輸出(AO)、數(shù)字量輸出(DO)等，根據(jù)實(shí)際需求確定所需的通道數(shù)量及其類型。 3. **采樣率與精度**：對(duì)于模擬量輸入，要關(guān)注采集卡的采樣率（如每秒可采集樣本數(shù)）及精度（如電壓/電流分辨率），確保能滿足測(cè)量準(zhǔn)確度要求。 4. **通信協(xié)議**：檢查采集卡是否支持所需的數(shù)據(jù)傳輸協(xié)議，例如MODBUS、HART、CANopen等，以實(shí)現(xiàn)與上位機(jī)的有效通信。 5. **抗干擾能力**：ISA總線對(duì)電磁干擾較為敏感，選擇具有良好EMC性能（電磁兼容性）的產(chǎn)品可以避免信號(hào)干擾影響數(shù)據(jù)采集準(zhǔn)確性。 6. **可靠性與穩(wěn)定性**：考察產(chǎn)品的功耗、工作溫度范圍、耐久性和故障恢復(fù)機(jī)制等因素，確保長(zhǎng)期穩(wěn)定運(yùn)行。 7. **價(jià)格與性價(jià)比**：根據(jù)項(xiàng)目預(yù)算，對(duì)比不同品牌和型號(hào)的ISA總線數(shù)據(jù)采集卡在性能指標(biāo)、售后服務(wù)等方面的綜合性價(jià)比。 總之，在選擇ISA總線數(shù)據(jù)采集卡時(shí)，務(wù)必充分理解并權(quán)衡上述各項(xiàng)技術(shù)參數(shù)，結(jié)合實(shí)際應(yīng)用場(chǎng)景進(jìn)行最優(yōu)決策。隨著技術(shù)發(fā)展，現(xiàn)代控制系統(tǒng)大多已轉(zhuǎn)向更先進(jìn)的總線標(biāo)準(zhǔn)，但在某些特殊環(huán)境下，如老式PLC或遺留系統(tǒng)的集成，ISA總線仍有一定的應(yīng)用價(jià)值。