- 品牌/商標：日本橫河
- 企業類型：貿易商
- 原產地：日本
橫河AAI841-H00/K4A00輸入模塊，模擬輸入輸出模塊（4～20MA，非隔離，HART協議），8輸入/8輸出
CS3000采用橫河公司的V-NET/IP控制總線，該控制總線速度可高達１Gbps。滿足了用戶對實時性和大規模數據通訊的要求。在保證可靠性的同時，又可以與開放的網絡設備直接相連，使系統結構更加簡單。而且橫河公司已經將該標準提交IEC組織，希望將該標準作為下一代控制系統的總線標準。
Items | Specifications | ||||
Model | AAI841 (*1) | AAB841 (*6) | |||
Number of I/O channels | 8-channel input/8-channel output, non-isolated | 8-channel input/8-channel output, non-isolated(differential input) | |||
I/O signal | Input: 4 to 20 mA | Output: 4 to 20 mA | Input: 1 to 5 V(allowable common mode voltage ±1 V or more) | Output: 4 to 20 mA | |
Allowable input current/voltage | 25 mA | — | ±7.5 V | — | |
Withstanding voltage | — | — | |||
Input resistance | Power ON | 400 Ω (at 20 mA) to 1000 Ω (at 4 mA) (*2) | — | 1 MΩ or more | — |
Power OFF | 500 kΩ or more | — | 340 kΩ or more | — | |
Allowable load resistance | — | 0 to 750 Ω (*3) | — | 0 to 750 Ω | |
Circuit-open detection | — | Less than 0.65 mA | — | Less than 0.65 mA | |
Accuracy | Input: ±16 μA | output: ±48 μA | Input: ±4 mV | output: ±48 μA | |
Data update period | 10 ms | ||||
Input step response time | 100 ms | ||||
Output step response time | 40 ms | ||||
Transmitter power supply | 14.8 V or more (at 20 mA) 26.4 V or less (at 0 mA) (*4) | — | |||
Setting of 2-wire or 4-wire transmitter | For each channel by setting pin | — | |||
Temperature drift | ±0.1 %/10 °C | ||||
Maximum current consumption | 310 mA (5 V DC), 500 mA (24 V DC) | 310 mA (5 V DC), 250 mA (24 V DC) | |||
Weight | 0.3 kg | ||||
External connection | Pressure clamp terminal, KS cable, MIL connector cable | ||||
HART communication (*5) | Available | — | |||
