描述
一、产品概述
HIMA Z7116是HIMA（黑马）公司推出的高安全等级模拟量输出模块，专为工业自动化系统设计，支持SIL 3/SIL 4安全认证，适用于石油、化工、电力等高风险行业。该模块采用四重化冗余（QMR）架构，结合硬件与软件双重防护，确保在极端环境下的可靠运行，是HIMA安全控制系统（如H41q/H51q系列）的核心组件之一。
二、核心功能与技术特性
1.模拟量输出能力
通道配置：支持16路模拟量输出，可输出0-10V或4-20mA信号，适用于阀门控制、执行机构调节等场景。
精度与稳定性：采用32位Intel 386EX微处理器，时钟频率25 MHz，配合SRAM与EPROM存储器，确保数据处理的实时性与准确性。
2.通信与集成
接口类型：
RS485：支持串行通信，总线站号范围1-31，适用于工业现场的低延迟数据传输。
以太网：兼容安全以太网协议（如Modbus TCP），总线站号可扩展至1-99，支持多设备协同。
协议兼容性：支持TüV认证的安全以太网协议，确保与主流DCS系统（如ABB、西门子）无缝集成。
3.安全与冗余设计
四重化冗余（QMR）：通过两个同步微处理器实现数据比对，消除单点故障风险，满足IEC 61508安全标准。
自诊断功能：实时监测模块状态，故障时通过四位矩阵显示提示错误代码，并触发安全停机（看门狗功能）。
三、技术参数
参数规格
输入电压24 V DC
工作温度-40°C至+70°C
防护等级IP65（防尘防水）
安全认证SIL 3/SIL 4（TüV AK7）
通信接口RS485（双隔离）、以太网（支持Modbus TCP）
输出通道16路模拟量输出（0-10V/4-20mA）
存储容量操作系统闪存1 MB，用户程序闪存1 MB
四、典型应用场景
石油与化工行业
控制反应釜温度、压力调节阀，确保工艺参数稳定。
电力系统
监控发电机励磁电流、变压器绕组温度，实现故障预警。
安全控制系统（ESD）
作为紧急停车系统的执行机构输出模块，触发紧急切断阀动作。
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1.Product Overview
HIMA Z7116 is a high-safety-grade analog output module launched by HIMA(Dark Horse)company.It is specially designed for industrial automation systems and supports SIL 3/SIL 4 safety certification.It is suitable for high-risk industries such as petroleum,chemical industry,and electricity.This module adopts a quadruple redundancy(QMR)architecture,combining dual protection of hardware and software to ensure reliable operation in extreme environments.It is one of the core components of HIMA safety control systems(such as the H41q/H51q series).
2.Core functions and technical characteristics
1.Analog output capability
Channel configuration:Supports 16 analog outputs,can output 0-10V or 4-20mA signals,suitable for valve control,actuator adjustment and other scenarios.
Accuracy and stability:It uses a 32-bit Intel 386EX microprocessor with a clock frequency of 25 MHz,and is combined with SRAM and EPROM memory to ensure real-time and accuracy of data processing.
2.Communication and integration
Interface type:
RS485:Supports serial communication,bus station number range 1-31,suitable for low-latency data transmission in industrial sites.
Ethernet:Compatible with secure Ethernet protocols(such as Modbus TCP),the bus station number can be extended to 1-99,and supports multi-device collaboration.
Protocol Compatibility:Supports TüV certified secure Ethernet protocol to ensure seamless integration with mainstream DCS systems(such as ABB,Siemens).
3.Safety and redundant design
Quadruple Redundancy(QMR):Data comparison is achieved through two synchronous microprocessors,eliminating the risk of single points of failure and meeting the IEC 61508 safety standards.
Self-diagnosis function:Real-time monitoring of module status,and error code is prompted through a four-bit matrix for failure,and a safe shutdown(watchdog function)is triggered.
3.Technical parameters
Parameters Specifications
Input voltage 24 V DC
Operating temperature-40°C to+70°C
Protection level IP65(dust-proof and waterproof)
Safety Certification SIL 3/SIL 4(TüV AK7)
Communication interface RS485(dual isolation),Ethernet(supports Modbus TCP)
Output channel 16 analog outputs(0-10V/4-20mA)
Storage capacity:1 MB of operating system flash memory,1 MB of user program flash memory
4.Typical application scenarios
Petroleum and Chemical Industry
Control the temperature and pressure regulating valve of the reactor to ensure stable process parameters.
Power system
Monitor the generator excitation current and transformer winding temperature to achieve fault warning.
Safety Control System(ESD)
As the actuator output module of the emergency stop system,the emergency shutdown valve operation is triggered.
