差分模拟量输入通道3的连接13–CH4差分模拟输入通道4的负连接14 Vout CH1通道1的电压输出15 Iout CH1信道1的电流输出16 Vout CH2通道2的电压输出17 Iout CH2信道2的电流输出18 V COM电压输出的公共回路19 I RET用户提供的+24 V和电流输出20的公共回路电缆屏蔽的GND框架接地连接12 12-10系列90–30 PLC I/O模块规格–2000年7月GFK–0898F IC693ALG442模拟组合模块现场接线图下图提供了将现场接线连接到模拟组合模块上的用户终端板的信息。对于250Ω 感测电阻器（仅限电流输入模式）***可选屏蔽连接*图12-5。模拟组合模块的现场接线-IC693ALG442注释1。每个输入通道可以独立于其他输入通道进行配置，以作为电压输入或电流输入，而不是同时进行。2.每个输出通道可以独立于其他输出进行配置connection for differential analog input channel 3 13 –CH4 Negative connection for differential analog input channel 4 14 Vout CH1 Voltage output for channel 1 15 Iout CH1 Current output for channel 1 16 Vout CH2 Voltage output for channel 2 17 Iout CH2 Current output for channel 2 18 V COM Common return for voltage outputs 19 I RET Common return for User supplied +24 V and current outputs 20 GND Frame ground connections for cable shields 12 12-10 Series 90–30 PLC I/O Module Specifications – July 2000 GFK–0898F IC693ALG442 Analog Combo Module Field Wiring Diagram The following figure provide information for connecting field wiring to the user terminal board on the Analog Combo module. for 250Ω SENSE RESISTOR (CURRENT INPUT MODE ONLY) * * * ** OPTIONAL SHIELD CONNECTION * Figure 12-5. Field Wiring for Analog Combo Module - IC693ALG442 Notes 1. Each Input channel can be configured independent of other Input channels to operate as a voltage input or a current input – not both simultaneously. 2. Each Output channel can be configured independent of other Output
