※EX500-GDN1系列于2021年3月停止生产。 请选择EX260-SDN、EX600-SDN。 对应输入·输出 ※系列不同,适用协议不同 Serial transmission system EX500 Corresponding input and output, gateway type ※ Different series are applicable to different protocols. Please refer to the samples of each series for deta...