Digital Alarm Indicator – Ohkura DE7000B

Features

  • Digital 4 or 5 digits display
  • Four Alarm Outputs standard
  • High Accuracy of ± 0.1% (DE7101B)
  • Full Multi-Input (Thermocouple, RTD, voltage or current)
  • High-speed sampling cycle of 50ms
  • Optional Transmitter power supply
  • RS-232C,RS- 422A (RS-485) Communication Interface
  • Optional Multi-input selector
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DE7000B is a small alarm indicator that builds the alarm output in four points into, and measures the temperature, the voltage, and the current precisely.

Specification

Input range Full multi-range, refer to Range table
Display Dual 7 segment LED display, Process variable/ green and set point/ red
DE7001; 4 digits, LED
DE7101; 5 digits, LED
Display update 100 msec
Resolution DE7001; 4 digits, 0.1°C below 1000°C, 1°C over 1000°C, 1°C with PR40-20
DE7101; 5 digits, 0.1°C, 1°C with PR40-20
Scaling DE7001; -1999 to 9999, DE7101; -19999 to 19999
Sensor correction ± 30°C with TC & RTD input ranges
Alarm 4-set point process or high/ low rate of change
Alarm set point; 0 ~ 100% of range
Hysteresis; 0 ~ 100% adjustable within the range
ON delay timer; 0 ~ 600 sec.
Alarm relay rating a-contact, 250VAC,0.5A resistive load, One side contact are common
Memory backup Non-volatile RAM(Fe-RAM)
Interface 300~9600 bps, ZE7101A0112 and ZE7101B0410 allow direct connection of RS-232C and RS-422A (RS-485)to the controller respectively
Power supply Voltage rating at 100 to 240 VAC,50/60Hz
Power consumption Approx. 3VA/100VAC, 8VA/200VAC
Mass Approx.400g
Operating temperature range -10 ~ 55°C without option,
-10 ~ 45°C with options,

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