DSDI146 3BSE007949R1 ABB 数字输入模块

DSDI146 3BSE007949R1 ABB 数字输入模块

DSDI146 3BSE007949R1 ABB 数字输入模块大致分为三种,继电器输出型、晶体管输出型和可控硅输出型. R-继电器；T-晶体管

继电器输出交流直流都可以,晶体管常见有5vdc和24vdc输出,可控硅比较少见,只有特殊输出型号才有.

考虑选用的输出模块类型,通常继电器输出模块具有价格低、使用电压范围广（可接市电）、负载能力大，导通压降小,承受瞬时电压和过电流的能力较强,但寿命短、响应时间较长、动作速度较慢等.

晶体管输出（可分PNP、NPN型）优点是通断速度快（脉冲输出，适合高频），一般为0．2ms左右；寿命长；缺点是工作电压低（不能接市电）；负载能力弱，300mA左右。

DSDI146 3BSE007949R1 ABB 数字输入模块适用于直流负载,开关频繁,反应速度快,寿命长,电感性低功率因数负荷场合,但价格较贵,过载能力较差.

DSDI146 3BSE007949R1 ABB 数字输入模块有三种类型：第一种是继电器输出，继电器输出反应速度慢，输出电流大，一般达到2A，但触电寿命短，输出频率低，最大1HZ；二是晶体管输出，晶体管输出反应速度快，输出电流小，接触寿命长，输出频率高，可达到10KHZ；三是模拟输出，规格一般为0-20MA电流信号、4-20MA电流信号、0-5V电压信号、0-10V电压信号等。

工业自动化是指机器设备或生产过程在不需要人工直接干预或较少干预的情况下，按预期的目标实现测量、操纵等信息处理和过程控制的统称。按功能划分，自动化控制具体包括控制系统、驱动系统、反馈系统、执行系统、运动控制系统等，其中的控制系统被称为是工厂的“大脑”，是工业生产尤其是流程工业的中枢和基础，其安全稳定性、效率性直接影响生产流程各个生产环节。传统控制系统一般包括仪器仪表系统、DCS系统、PLC系统、SIS系统、SCADA系统、执行调节系统等。DSDI146 3BSE007949R1 ABB 数字输入模块，是一种以控制器和现场设备为基础，将相关工艺信号汇集到系统中，由操作站进行监视或其他控制操作，以分散控制、集中操作、分级管理为主要特征的工业自动化控制系统。侧重于局部逻辑控制相比，DCS更注重模拟量的控制，因此DCS系统拥有更强的数据传输和管理能力，这也是大型项目广泛应用DCS系统的主要原因。

DSDI146 3BSE007949R1 ABB 数字输入模块

DSDI146 3BSE007949R1 ABB digital input modules can be roughly divided into three types: relay output type, transistor output type and SCR output type. R- relay; T- transistor

Relays can output both AC and DC, transistors usually have 5vdc and 24vdc outputs, and silicon controlled rectifier is rare, only with special output models.

Considering the type of output module selected, relay output module usually has the advantages of low price, wide range of application voltage (which can be connected to commercial power), large load capacity, small turn-on voltage drop, strong ability to withstand instantaneous voltage and overcurrent, but short life, long response time and slow action speed.

The advantages of transistor output (PNP and NPN) are fast on-off speed (pulse output, suitable for high frequency), which is generally about 0．2ms; Long life; Disadvantages are low working voltage (unable to connect to the mains); The load capacity is weak, about 300mA.

DSDI146 3BSE007949R1 ABB digital input module is suitable for DC load, frequent switching, fast response, long service life and inductive low power factor load, but it is expensive and has poor overload capacity.

There are three types of DSDI146 3BSE007949R1 ABB digital input modules: the first is relay output, which has a slow response speed and a large output current, generally reaching 2A, but has a short electric shock life and a low output frequency, with a maximum of 1HZ；; The second is transistor output, which has fast response speed, low output current, long contact life and high output frequency, which can reach 10KHZ；; Third, analog output, the specifications are generally 0-20MA current signal, 4-20MA current signal, 0-5V voltage signal and 0-10V voltage signal.

Industrial automation refers to the general term for information processing and process control of machinery, equipment or production process to achieve measurement, manipulation and other information according to the expected goals without direct or less manual intervention. According to the function, automatic control includes control system, drive system, feedback system, execution system, motion control system, etc. The control system is called the "brain" of the factory, which is the center and foundation of industrial production, especially process industry, and its safety, stability and efficiency directly affect all production links of the production process. Traditional control systems generally include instrumentation system, DCS system, PLC system, SIS system, SCADA system, executive regulation system and so on. DSDI146 3BSE007949R1 ABB digital input module is an industrial automation control system based on controllers and field devices, which collects relevant process signals into the system and is monitored or operated by the operation station, with decentralized control, centralized operation and hierarchical management as its main features. Compared with local logic control, DCS pays more attention to analog control, so DCS system has stronger data transmission and management ability, which is the main reason why DCS system is widely used in large-scale projects.

DSDI146 3BSE007949R1 ABB 数字输入模块

主营产品，供应，充足库存
Foxbore (福克斯波罗) : I/A Series 系统，FBM 全系列(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
Vestinghouse (西屋) : 1C31 系列DCS系统、CPU、OVATI0N 系统、WDPF系统、WEStation系统备件。
Triconex (英维思) :冗余容错控制系统、基于三重模件冗余(TMR) 结构的现代化的容错控制器。
EMERSON (艾默生) :模块、卡件、驱动器等各类备件。
XYCOM: XVME 系列
Bently (本特利) : 3500/3300 系统。
Rockwell (罗克韦尔) : ICS 系统。;
ABB: PM全系列DCS系统、ICT高压变频器系列、工业机器人备件DSQC系列、INFI 90等。
Bailey (贝利) : BRC 系列DCS系统等。
Allen-Bradley: 1756、 1785、 1771、 1746 全系列系统等。
Yokogawa (横河) : CP系列等。
Honeywell (霍尼韦尔) : TK/TC/CC 系统等。
Reliance (瑞恩) : 57C 系列等。
Modicon (莫迪康) : AS系列PLC系统备件。
MOORE,西某子数控系统等。
Motorola (摩托罗拉) : MVME 162、 MVME 167、 MYVME1772、MVME177等系列。
XYCOM: I/0、VmeE 板和处理器等。
GE (通用电气) : IC698/IC697 全系列PLC系统、模块、卡件、驱动器等各类备件。
Yaskawa (安川) :伺服控制器、伺服马达、伺服驱动器。
Bosch Rexroth (博世力士乐) : Indramat, I/O模块，电机，PLC控制器,驱动模块等。
Woodward (伍德沃德) : SPC 阀位控制器、PEAK150 数字控制器。
WINGREEN 自动化控制模块