数字I O模块D7

RS-485. RS485. 4数字输出

DIN轨道安装数据采集，绝缘，发射器模块带警报 - 紧凑尺寸：22.5毫米宽度，99毫米长度 - 可配置的过程输入和1个数字输入 - 最多2个数字输出和一个4 ... 20mA输出 - 电源和RS485侧面总线通信 - 可供选择，配置和参数备份，便于更换和维护 - 可配置为：*具有两个警报*变送器的指示器，使用4..20mA输出过程输入：1通用输入 - 热电偶：L，J，T，K，S，R，B，N，E，Ni-Nimo，W3，W5 - RTD：PT100 - 电压（MV）：0/10 ... 50 MV - 电流（MA）：0/4 ...20 mA (with 2.5 Ω shunt resistor) - Custom linearisation and IR probes (J.K type) Accuracy : 0.25% ±1 digit (probes) or 0.1% ±1 digit (mA or mV) 1 digital inputs - NPN - TTL - Free Voltage Process outputs 1 High level analogue output: - For PV retransmission (optional) - Current (mA): 0/4...20 mA 4 Digital outputs: OUT1 - RELAY SPST-NO, 2A (250VAC) - TRIAC 1A 250 VAC OUT2 - RELAY SPST-NO, 2A (250VAC) - TRIAC 1A 250 VAC Power supply: - 24VDC/VAC Transmitter power supply: 18 Vdc ±20%, 30 mA Max Functions - Acquisition and retransmission - Configuration and parameters back-up and automatic restore (with DX master) Alarms - Up to 3 configurable alarms (third one only on serial com.) Communication and programming: Interfaces - RS 485 port with ModBus RTU and J-bus (slave) protocols Programming/configuration tools: - Configuration software available for PC Installation Mounting method: DIN rail mount Case dimensions: 22.5 x 99 mm, depth 114.5 mm