Isolated Transmitters: 600T Series 657T, 658T Multi-Channel, Two-Wire Transmitters
■Models
▲657T: Single RTD input channel
▲658T: Dual RTD input channel
■These units accept universal RTD or resistance input signals and output proportional DC current signals. The output can also be linearized to the input sensor signal. Single-channel 657T and dual-channel 658T units are ideal for panel shops and end-users who require a high-density sig-nal conditioner that can accommodate a broad range of temperature measurement applications
■Configuration is fast and easy. First, you select the input type with a simple DIP switch. Then, you set your zero/full-scale output values using a toggle switch on the front panel to increase or decrease the signal until you read the desired output value on your voltmeter. The toggles make it easy to calibrate a normal (proportional) or reverse-acting (inverse) response in seconds. After completing the calibration, just press the mode/set toggle and your configuration settings are safely saved to nonvolatile memory
■Input Ranges
▲RTD: 100 ohm Pt, 120 ohm Ni, 10 ohm Cu
▲Resistance: 0 to 500 ohms
■Output Ranges
▲4 to 20mA DC
■Power Requirement
▲12 to 50V DC (loop-powered)
▲Two-wire transmitter
■Approvals
▲UL, cUL listed
▲Class I; Division 2; Groups A, B, C, D.
●Key Features & Benefits
■Selectable RTD input types offer flexibility to fit many applications.
■DIP switch-configuration and self-ranging technologies speed installation without pots, jumpers, or software.
■Toggle-switch calibration simplifies field adjustments for faster and easier maintenance
■Configuration lockout safety feature prevents tampering and accidental changes.
■Reverse-acting output capability enables inverse proportional control signals.
■Dual channel model saves space and reduces equipment costs.
■High-resolution S-D A/D converters deliver superior accuracy for reliable measurements.
■Lead break detection supports upscale or downscale failsafe mode
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10/2019 |
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8401-020 |
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672 KB |
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