- 品牌/商标：日本横河
- 企业类型：贸易商
- 原产地：日本
横河AAI841-H00/K4A00输入模块，模拟输入输出模块（4～20MA，非隔离，HART协议），8输入/8输出
CS3000采用横河公司的V-NET/IP控制总线，该控制总线速度可高达１Gbps。满足了用户对实时性和大规模数据通讯的要求。在保证可靠性的同时，又可以与开放的网络设备直接相连，使系统结构更加简单。而且横河公司已经将该标准提交IEC组织，希望将该标准作为下一代控制系统的总线标准。
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 | — | |||
