1784-PCIC 1784PCIC PCI A-B 模块备件

产品标题：1784-PCIC 1784PCIC 数字控制网PCI通信接口 A-B

产品参数：

型号：1784-PCIC 1784PCIC 

质保：七天验收期，质保期一年

品牌： A-B
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产品详情资料
使用FC 217改变每个信道和类型的增益或偏移值，可以补偿输入信号读数的差异。调整这些参数可以代替现场校准。请参阅FC 217规范S1。诊断、安全和完整性检查IMASI23模块在通电和复位期间执行内置测试，以检查模块的操作和完整性。诊断模式下的诊断ASI模块在诊断模式下执行内置测试以检查模块操作。这些测试包括：•A/D内部参考检查开关测试看门狗定时器测试CPU测试定时器测试ROM测试。2-10 WBPEEUI240774A0诊断、安全和完整性检查•DPRAM测试NVRAM测试SRAM测试系统参考检查配置信道参考检查未配置信道参考检查。
正常运行期间的诊断
在启动期间，ASI模块验证
PROM和非易失性RAM。看门狗定时器保护
防止A/D转换器故障，这将停止输入扫描。监控输入电路是否存在开路。任何错误都会通过I/O模块状态报告给控制器。这些诊断检测到的某些故障可能导致重置时I/O模块诊断。这些测试包括：•PROM校验和验证NVRAM校验和验证DPRAM/SRAM验证处理器指令集测试定时器测试。I/O扩展器总线通信安全
扩展器总线消息完整性由校验和维护
对每个发送和接收的消息或数据集的计算。打开输入检测ASI模块识别并报告以下任何打开输入：
通过指示这些信道上的不良质量来激活信道。
例外情况是-10至+10 VDC、0至10 VDC和0至
5 VDC输入。
报警和异常报告
该函数不生成报警或异常报告
与ASI模块相关的代码。输入的值

Using FC 217 to change the gain or offset values per channeland type, it can compensate for differences in input signalreadings. Tuning these parameters can take the place of afieldcalibration. Refer to FC 217, specification S1.Diagnostic, Security, and Integrity ChecksThe IMASI23 module performs built-in tests during power-upand on reset to check the operation and integrity of themodule.Diagnostics in Diagnostic ModeThe ASI module performs built-in tests in diagnostic modetocheck module operation. These tests include:• A/D internal reference checks.• Switch test.• Watchdog timer test.• CPU test.• Timer test.• ROM test.2 - 10 WBPEEUI240774A0Diagnostic, Security, and Integrity Checks• DPRAM test.• NVRAM test.• SRAM test.• System reference checks.• Configured channel reference checks.• Unconfigured channel reference checks.
Diagnostics During Normal Operation
During startup, the ASI module verifies the checksum of the
PROM and nonvolatile RAM. Watchdog timers safeguard
against an A/D converter failure which would halt input scanning. Input circuits are monitored for open circuits. Anyerrorsare reported to the controller through the I/O module status.Certain failures detected by these diagnostics may result inhalting the I/O moduleDiagnostics on ResetThese tests include:• PROM checksum verification.• NVRAM checksum verification.• DPRAM/SRAM verification.• Processor instruction set tests.• Timer test.I/O Expander Bus Communication Security
Expander bus message integrity is maintained by checksum
calculations on each transmitted and received message or dataset.Open Input DetectionThe ASI module recognizes and reports any open inputs on
active channels by indicating bad quality on these channels.
The exception is for -10 to +10 VDC, 0 to 10 VDC, and 0 to
5 VDC inputs.
Alarm and Exception Reporting
No alarm or exception reports are generated by the function
codes associated with the ASI module. The values input fro

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