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Bulletin 1790D CompactBlock™ LDX I/O 是适用于轻工业环境的经济实用的分布式 I/O 解决方案，这类环境不需要高的保护技术指标和高级性能特性。基本块包含 I/O 点和内置的 DeviceNet™ 网络适配器。通过数字量 I/O 扩展块，可向 CompactBlock LDX I/O 系统灵活添加 I/O 点。
Bulletin 1790D CompactBlock™ LDX I/O 是适用于轻工业环境的经济实用的分布式 I/O 解决方案，这类环境不需要高的保护技术指标和高级性能特性。基本块包含 I/O 点和内置的 DeviceNet™ 网络适配器。通过数字量 I/O 扩展块，可向 CompactBlock LDX I/O 系统灵活添加 I/O 点。
采用紧凑型封装，可方便地安装在走线槽和操作员终端等狭小的区域内
提供基本块，基本块提供 4 至 32 个 I/O 点
包括内置 DeviceNet™ 网络连接
允许向基本块添加扩展块，每个节点最多可有 80 个点
包含通用灌入型/拉出型输入，可减少库存元器件数量并能灵活选择输入类型
包含节点地址开关和自动速率匹配检测，可简化网络调试
可选择固定螺丝接线端子，也可以选择便于断开的 D 型头连接器
1790 CompactBlock™ LDX 数字量 I/O 基本块
24 V 直流、120 V 交流和继电器输出
每个块最多可有 32 个 I/O 点
每个基本块支持最多三个扩展块
1790 CompactBlock LDX 模拟量 I/O 基本块
每个块最多可有 4 个 I/O 点
16 位整数数据格式
每个基本块支持最多两个扩展块
1790 CompactBlock LDX 热电偶和热电阻 I/O 基本块
16 位整数（2 的补码）数据格式
热电偶和热电阻基本块不支持扩展块
1790 CompactBlock LDX 数字量 I/O 扩展块
添加到基本块以将 I/O 组件扩展为具有多达 80 个 I/O 点
24 V 直流、120 V 交流和继电器输出
每个块可有 8 或 16 个 I/O 点
与热电偶和热电阻基本块以外的所有基本块兼容
包括 7 cm 带状电缆连接器
| Catalog Number | Description | Accessories |
|---|---|---|
| 1790-0B16X | DeviceNet LDX I/O, 24VDC, 16 Source Out Expansion Block, D-Shell | |
| 1790-0V16X | DeviceNet LDX I/O, 24 VDC, 16 Sink Out Expansion Block, D-Shell | |
| 1790-0W8X | DeviceNet LDX I/O, 24VDC, 8 Relay Out Expansion Block, D-Shell | |
| 1790-15CMCBL | DeviceNet LDX I/O Longer Ribbon Cable, 15 cm (Lots of 5) | |
| 1790-16BV0X | DeviceNet LDX I/O, 24VDC, 16 Universal In Expansion Block, D-Shell | |
| 1790-7CMCBL | DeviceNet LDX I/O Replacement Ribbon Cable, 7 cm (Lots of 5) | |
| 1790-8BV8BX | DeviceNet LDX I/O, 24VDC, 8 Universal In/8 Source Out Expansion Block, D-Shell | |
| 1790-8BV8VX | DeviceNet LDX I/O, 24VDC, 8 Universal In/8 Sink Out Expansion Block, D-Shell | |
| 1790D-0B16 | DeviceNet LDX I/O, 24VDC, 16 Source Out Base Block, D-Shell | |
| 1790D-0V16 | DeviceNet LDX I/O, 24VDC, 16 Sink Out Base Block, D-Shell | |
| 1790D-0W6 | DeviceNet LDX I/O, 6 Relay Out Base Block, D-Shell | |
| 1790D-16BV0 | DeviceNet LDX I/O, 24VDC, 16 Universal In Base Block, D-Shell | |
| 1790D-8BV8B | DeviceNet LDX, 24VDC, 8 Universal In/8 Source Out Base Block, D-Shell | |
| 1790D-8BV8V | DeviceNet LDX, 24VDC, 8 Universal In/8 Sink Out Base Block, D-Shell | |
| 1790D-N0C2 | DeviceNet LDX, 2 Output Analog Current Base Block, D-Shell | |
| 1790D-N4C0 | DeviceNet LDX, 4 Input Analog Current Base Block, D-Shell | |
| 1790D-T0A6 | DeviceNet LDX I/O, 120VAC, 6 Output Base Block, Screw-clamp | |
| 1790D-T0B16 | DeviceNet LDX I/O, 24VDC, 16 Source Out Base Block, Screw-clamp | |
| 1790D-T0B32 | DeviceNet LDX I/O, 24VDC, 32 Source Out Base Block, Screw-clamp | |
| 1790D-T0V16 | DeviceNet LDX I/O, 24VDC, 16 Sink Out Base Block, Screw-clamp | |
| 1790D-T0V32 | DeviceNet LDX I/O, 24VDC, 32 Sink Out Base Block, Screw-clamp | |
| 1790D-T0W6 | DeviceNet LDX I/O, 6 Relay Out Base Block, Screw-clamp | |
| 1790D-T16BV0 | DeviceNet LDX I/O, 24VDC, 16 Universal In Base Block, Screw-clamp | |
| 1790D-T16BV16B | DeviceNet LDX, 24VDC, 16 Universal In/16 Source Out Base Block, Screw-clamp | |
| 1790D-T16BV16V | DeviceNet LDX, 24VDC, 16 Universal In/16 Sink Out Base Block, Screw-clamp | |
| 1790D-T32BV0 | DeviceNet LDX I/O, 24VDC, 32 Universal In Base Block, Screw-clamp | |
| 1790D-T4R0 | DeviceNet LDX, 4 Input RTD Base Block, Screw-clamp | |
| 1790D-T4T0 | DeviceNet LDX, 4 Input Thermocouple Base Block, Screw-clamp | |
| 1790D-T8A0 | DeviceNet LDX I/O, 120VAC, 8 Input Base Block, Screw-clamp | |
| 1790D-T8BV8B | DeviceNet LDX, 24VDC, 8 Universal In/8 Source Out Base Block, Screw-clamp | |
| 1790D-T8BV8V | DeviceNet LDX, 24VDC, 8 Universal In/8 Sink Out Base Block, Screw-clamp | |
| 1790D-TN0C2 | DeviceNet LDX, 2 Output Analog Current Base Block, Screw-clamp | |
| 1790D-TN0V2 | DeviceNet LDX, 2 Output Voltage Analog Base Block, Screw-clamp | |
| 1790D-TN4C0 | DeviceNet LDX, 4 Input Analog Current Base Block, Screw-clamp | |
| 1790D-TN4V0 | DeviceNet LDX, 4 Input Voltage Analog Base Block, Screw-clamp | |
| 1790-T0A8X | DeviceNet LDX I/O, 120VAC, 8 Output Expansion Block, Screw-clamp | |
| 1790-T0B16X | DeviceNet LDX I/O, 24VDC, 16 Source Out Expansion Block, Screw-clamp | |
| 1790-T0V16X | DeviceNet LDX I/O, 24VDC, 16 Sink Out Expansion Block, Screw-clamp | |
| 1790-T0W8X | DeviceNet LDX I/O, 24VDC, 8 Relay Out Expansion Block, Screw-clamp | |
| 1790-T16BV0X | DeviceNet LDX I/O, 24VDC, 16 Universal In Expansion Block, Screw-clamp | |
| 1790-T8A0X | DeviceNet LDX I/O, 110VAC, 8 Input Expansion Block, Screw-clamp | |
| 1790-T8BV8BX | DeviceNet LDX I/O, 24VDC, 8 Universal In/8 Source Out Expansion Block, Screw-clamp | |
| 1790-T8BV8VX | DeviceNet LDX I/O, 24VDC, 8 Universal In/8 Sink Out Expansion Block, Screw-clamp |
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