产品型号:AO820
货号:3BSE008546R1
类别描述: 模拟输出模块
产品成色:全新,非全新
质保:一年
库存:有
品牌:ABB
尺寸
宽度 45毫米(1.77英寸)
深度 102 mm (4.01“), 111 mm (4.37”) 包括连接器
高度 119毫米(4.7英寸)
重量 0.18 千克(0.4 磅)
详细数据
分辨率 12 位,包括符号
隔离 独立隔离 - 通道间和通道间电路共用
低于/超出范围 ±15%
输出负载 ≤ 550 Ω
≥ 5 kΩ (电压输出)
错误 最大0.1%(电压);典型值 250 欧姆时为 0.1%,最大值为 0.15%(电流)
温度漂移 最大 90 ppm/°C
上升时间 < 0.7 毫秒
更新周期时间 ≤ 1.5 毫秒
电流限制 短路保护限流输出
最大现场电缆长度 600米(656码)
AO820 模拟量输出模块有 4 个双极性模拟量输出通道。电流或电压输出的选择可针对每个通道进行配置。有一组单独的端子用于电压和电流输出,用户需要正确连接输出。电流或电压通道配置之间的唯一区别在于软件设置。
为了监督与A/D转换器的通信,输出数据被回读和验证。开路诊断信息也是连续读取的。如果电压消失,过程电压监控输入会给出通道错误信号。错误信号可以通过 ModuleBus 读取。
特点和优势
4 个通道 -20 mA...+20 mA、0...20 mA、4...20 mA 或 -10 V...+10 V, 0...10 V, 2...10 V 输出
单独电气隔离的通道
OSP在检测到错误时将输出设置为预定状态。
Product model: AO820
Item number: 3BSE008546R1
Category Description: Analog output module
Product color: new, not new
Warranty: One year
Stock: Yes
Brand: ABB
dimension
Width 45 mm (1.77 in)
Depth 102 mm (4.01 "), 111 mm (4.37 ") including connector
Height 119 mm (4.7 in)
Weight 0.18 kg (0.4 lb)
Detailed data
Resolution 12 bits, including symbols
Isolation Independent isolation - Interchannel and interchannel circuit sharing
±15% below/over range
Output load ≤ 550Ω
≥ 5 kΩ (voltage output)
Error maximum 0.1% (voltage); Typical value 0.1% at 250 ohms, maximum 0.15% (current)
Temperature drift maximum 90 ppm/°C
Rise time < 0.7 ms
Update cycle time ≤ 1.5 ms
Current limiting Short circuit protection Limited current output
Maximum field cable length 600 meters (656 yards)
The AO820 analog output module has 4 bipolar analog output channels. The choice of current or voltage outputs can be configured for each channel. There is a separate set of terminals for voltage and current outputs, and the user needs to connect the outputs correctly. The only difference between current or voltage channel configurations is the software setup.
To supervise communication with A/D converter, the output data is read back and verified. Open circuit diagnostic information is also read continuously. If the voltage disappears, the process voltage monitoring input will give a channel error signal. The error signal can be read by the ModuleBus.
Characteristics and advantages
4 channels -20 mA... +20 mA, 0... 20 mA, 4... 20 mA or -10 V... +10 V, 0... 10 V, 2... 10 V output
Separate electrically isolated channel
The OSP sets the output to a scheduled state when an error is detected.
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