t模块。12 12-20系列90–30 PLC I/O模块规格–2000年7月GFK–0898F E2 COMMREQ用于IC693ALG442 E2 COMMREQ允许您修改输入报警限值，设置输出斜坡模式和参数，并清除%I错误代码。E2 COMMREQ使用标准COMMREQ格式。有关COMMREQ的更多信息，请参阅GFK-0467《Series 90-30/20/Micro PLC CPU指令集参考手册》第4章和GFK-0402《Series 9030/90-20/Micro可编程控制器用户手册》第8章。E2 COMMREQ命令块E2 COMMREQ命令块由10个字组成，如表3-25所示。为清楚起见，表中包括十六进制格式的示例E2 COMMREQ数据。表12-4。E2 COMMREQ命令块定义地址数据描述示例数据开始地址总是0004用于此模块0004+1未使用0000+2 COMMREQ状态数据类型0008（%R）+3 COMMREQ（从零开始）0000（%R0001）+4未使用0000+5未使用0000+6命令类型（E2→ 6字节数据命令的消息IDhe module. 12 12-20 Series 90–30 PLC I/O Module Specifications – July 2000 GFK–0898F E2 COMMREQ for IC693ALG442 The E2 COMMREQ allows you to modify the input alarm limits, set the output ramp mode and parameters, and clear the %I error code. The E2 COMMREQ uses the standard COMMREQ format. See Chapter 4 of the Series 90-30/20/Micro PLC CPU Instruction Set Reference Manual, GFK-0467, and Chapter 8 of the Hand-Held Programmer for Series 9030/90-20/Micro Programmable Controllers User’s Manual, GFK-0402, for more information on the COMMREQ. E2 COMMREQ Command Block The E2 COMMREQ command block consists of 10 words as shown in Table 3-25. Example E2 COMMREQ data in hexadecimal format is included in the table for clarity. Table 12-4. E2 COMMREQ Command Block Definitions Address Data Description Example Data Start Address Always 0004 for this module 0004 +1 Not used 0000 +2 COMMREQ status data type 0008 (%R) +3 COMMREQ status address (zero-based) 0000 (%R0001) +4 Not used 0000 +5 Not used 0000 +6 Command type (E2 → message ID for 6 byte data command to
