1756-DHRIO Allen Bradley ControlLogix DH+/RIO Bridge/Scanner Module
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1756-DHRIO Allen Bradley ControlLogix DH+/RIO Bridge/Scanner Module Description:
Contact:
Unik You
unik@cambia.cn
+86 18030205725
(Wechat/ WhatsApp/ Skype)
The RTD/resistance module contains a removable terminal block (spare part number 1769-RTBN18) providing connections for six 3-wire inputs for any combination of RTD and resistance input devices. Channels are wired as differential inputs. The illustration below shows the hardware features of the module.
After power-up checks are complete, the module waits for valid channel configuration data. If an invalid configuration is detected, the module generates a configuration error. Once a channel is properly configured and enabled, the module continuously converts the RTD or resistance input to a value within the range selected for that channel.
As shown in the block diagram below, each input channel of the module consists of an RTD/resistance connection that accepts excitation current; a sense connection that detects lead wire resistance; and a return connection. The signals are multiplexed to an A/D converter that reads the RTD or resistance value and the lead wire resistance.
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1756-DHRIO Allen Bradley ControlLogix DH+/RIO Bridge/Scanner Module was added in Mar 2021
1756-DHRIO Allen Bradley ControlLogix DH+/RIO Bridge/Scanner Module has been viewed 58 times
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