| 型号后附加 | Variant Code | Name | Type |
| 可选项代码 | 专项代号 | 可选项名称 | 型号 |
| +L500 | 659 | 模拟I/O扩展板Analogue I/O Extension | RAIO-01 |
| +L501 | 660 | 数字I/O扩展板Digital I/O Extension | RDIO-01 |
| +L502 | 661 | 脉冲编码接口板Encoder Interface(+15V/+24V) | RTAC-01 |
| +L517 | | 脉冲编码接口板Encoder Interfacefor TTL(+5V) | RTAC-03 |
| +L503 | 670 | DDCS通讯板套件DDCS Communication Board KIT | RDCO-03C |
| +L509 | 680 | DDCS通讯板套件DDCS Communication Board KIT | RDCO-02C |
| +L508 | 672 | DDCS通讯板套件DDCS Communication Board KIT | RDCO-01C |
| +L515 | | I/O扩展接口I/O Extension Adapter(Require RDCO-0x) | AIMA-01 |
| +K451 | 662 | 现场总线适配器DeviceNet Adapter | RDNA-01 |
| +K452 | 663 | 现场总线适配器LONWorks Adapter | RLON-01 |
| +K454 | 665 | 现场总线适配器Profibus DP Adapter | RPBA-01 |
| +K457 | 666 | 现场总线适配器CANOpen Adapter | RCAN-01 |
| +K458 | 667 | 现场总线适配器Modbus Adapter | RMBA-01 |
| +K462 | | 现场总线适配器Control Net Adapter | RCNA-01 |
| +L516 | | Resolver Interface Module | RRIA-01 |
| +K466 | | Ethernet Adapter for Control Purpose | RETA-01 |
| +K467 | | Ethernet (PROFINET I/O, Modbus/TCP) Adapter for Control Purpose | RETA-02 |
| | Ethernet Powerlink Adapter for Control Purposes, Dual Port | REPL-02 |
| | EtherCat Adapter for Control Purposes | RECA-01 |
| | Intelligent Ethernet Module | NETA-01 |
| | 远程监控以太网适配器Ethernet Adapter | SREA-01 |
