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T322+ Dual Trip Amplifier Overview
The Tracker 322+ dual trip alarm with a universal input, two-alarm relays and a serial RS485 interface. Available as 110/230VAC powered or 24VDC / AC powered modules.
T322+ Dual Trip Amplifier Features
• The high-resolution (24 bit) universal input
• Temperature measurement using thermocouples (14 ranges) or RTD sensors (4 ranges),
• Process measurement ±20mA (4-20mA), ±10VDC, ±100mV and resistance measurement
• 18 point user-linearisation (e.g. for tank volume applications)
• Two-alarm relays with normally open volt free contacts
• Relays can be independently set to be energised or de-energised in the alarm state
• Process alarms can be configured to have a High, Low or Deviation (Band) Action
• Separate on and off hysteresis and on and off delay timers to stop fleeting alarms
• Alarm blocking to stop nuisance alarms on plant start up
• Latching alarms - reset by a logic input on T340 expansion module or the serial interface
• Modbus RTU compatible isolated RS485 interface for configuration and real time data
• Modbus floating point and a simple ASCII based protocols available with auto detection
• Up to 128 devices on a single RS485 network without the need for repeaters
• Communication loss "self protection" modes
• Block read/write features for fast data transfer
• Standard Mini-B 5-pin USB configuration, the only connection needed for configuration
• Simultaneous use of serial interface and USB ports
• Logic expansion module for up to 4 extra alarm outputs (Tracker 340)
• Free configuration software
• 5 year warranty