- 品牌/商标：日本横河
- 原产地：日本
分散控制系统：（DCS，即Distributed Control System），又叫集中分散控制系统，简称集散系统，也称其为分布式控制系统，它是利用计算机技术、控制技术、通信技术、图形显示技术实现过程控制和过程管理的控制系统，它以多台微机分散应用于过程控制，通过通信总线、CRT显示器，键盘、打印机等又能高度集中地操作、显示和报警。
此GS涵盖模拟量I/ O模块（FIO），可以安装在节点单元的硬件规格
，ESB总线（ANB10S，ANB10D），ER总线节点单元（ANR10S，ANR10D）和紧凑型现场控制单元
（FIO）（AFF50S AFF50D，AFV10S AFV10D）。
Items | Specifications | |||
Model | AAI141 (*1) | AAV141 | AAV142 | |
Number of input channels | 16, non-isolated | 16, non-isolated(differential input) | 16, non-isolated | |
Input signal | 4 to 20 mA DC | 1 to 5 V DC(allowable common mode voltage ± 1 V or less) | -10 to 10 V DC | |
Allowable input current/voltage | 27 mA | ±7.5 V | ±13 V | |
Withstanding voltage | — | — | — | |
Input resistance | Power ON | 400 Ω (at 20 mA) to 1000 Ω(at 4 mA) (*2) | 1 MΩ or more | 1 MΩ or more |
Power OFF | 500 kΩ or more | 340 kΩ or more | 660 kΩ or more | |
Accuracy | ±16 μA | ±4 mV | ±20 mV | |
Data update period | 10 ms | |||
Step response time | 100 ms | |||
Transmitter power supply | 14.8 V or more (at 20 mA) (*3)26.4 V or less (at 0 mA)(output current limit: 27 mA) | — | — | |
Setting of 2-wire or 4-wire transmitter | For each channel by setting pin | — | — | |
Drift due to ambient temperature change | ±16 μA/10 °C | ±4 mV/10 °C | ±20 mV/10 °C | |
Maximum current consumption | 310 mA (5 V DC),450 mA (24 V DC) | 350 mA (5 V DC) | 350 mA (5 V DC) | |
Weight | 0.2 kg | 0.2 kg | 0.2 kg | |
External connection | Pressure clamp terminal, KS cable, MIL connector cable | |||
HART communication (*4) | Available | — | — | |
