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8-channel 12-bit analog data acquisition module supports multiple voltage/current ranges. Features RS485 interface, Modbus protocol, optoelectronic isolation.
Each channel of the module is independent, which can set the range independently. There are a variety of ranges to choose from, and users can switch them at will according to their needs. In addition to supporting standard 4-wire sensors, it also supports 2-wire and 3-wire sensor inputs.
Security is extremely guaranteed. The product has communication isolation and input/output isolation, so that it can not only resist interference during use, ensure accurate and stable data transmission, but also in case of strong electricity, it will only burn out the collection product at most and the entire system will not be damaged. The module supports a 12-30V wide voltage power supply, and the interface adopts an anti-reverse design.
Specification
- Input Channel: 8-channel single-end analog input
- Input Type: voltage input, current input
- Acquisition range: 0~5V, 1~5V, 0~2.5V, 0~20mA, 4~20mA, the default factory value is 4~20mA
- Sampling Rate: 1400sps (total channel), 50sps (single channel)
- Resolution: 12 bits
- Collection Accuracy: 1‰
- Input Impedance: voltage range: 10MΩ, current range: 249Ω
- Range Setting: each channel can independently configure the range
- Communication Interface: RS485
- Isolation Voltage: 1500VDC
- RS485 Transmission Rate:
Maximum 180 times/second (total channel of a single module, in the case of 115200bps)
Maximum 24 times/second (total channel of a single module, in the case of 9600bps)
Maximum 3 times/second (total channel of a single module, in the case of 1200bps)
- Baud Rate: 1200~115200bps
- Watchdog: Software watchdog
- Power Supply Voltage: +12~30VDC
- Power Protection: power reverse protection
- Power Consumption: rated value 0.5W @ 24VDC
- Operating Temperature: -40℃～＋80℃
- Storage Temperature: -40℃～＋85℃
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