 Field
Selectable Input/Output Controller features universal
field selectable outputs for the main control output.
The main control output can be selected from a relay
contact, a voltage pulse, or a 4 to 20 mAmp output.
Field Selectable Input/Output Controller also excepts
44 types of thermocouple, RTD, DC voltage and DC current.
In addition these controllers can have 2 independent
alarm contacts that are programmable to be deviation,
process, or set value alarms. The Heater break alarms
utilize an external current transformer that monitors
the heater current and activates an alarm should the
current fall below a threshold value that has been
set by the operator. The loop break monitors and protects
the entire temperature control system. The loop break
alarm will detect Heater Breaks, Thermocouple or RTD
failure, short circuits, or the failure of an operating
device such as a mechanical relay, Mercury Relay or
SSR.
Field Selectable Input/Output Controller Features:
•
Standard
universal inputs
• Field
selectable outputs
• Easy
set up and programming fuzzy logic
on/off
• Heater
break alarm for monitoring multiple
parallel heaters
• Loop
break alarm for heater breaks/shorted
sensors or relays
• Alarm
hold and alarm delay functions 2 alarms
field configurable
• Dual
set point local or remote setable
and ramp to setpoint
Field
Selectable Input/Output Controller Specifications
Input
Universal Field Selectable
Thermocouples. . . . . . (K,J,T,E,R,B,N,S,L,U)
RTD. . . . . . . . . . . PT100, JPT 100
Millivolts. . . . . . . .0-lOmV, 0-100mV, 0-1V, 0-5V,1-5V, 0-10V
Current. . . . . . . . . 4-20mA DC 0-20mA DC
Default setting. . . . . -300 to 1500F J
Control output
Universal Field Selectable
Relay output. . . . . . .(25OVAC, 3A resistive load)
Voltage pulse output. . .(0/l2VDC)
Current output. . . . . .(0-20mA DC, 4-20mA DC,max 600 ohms)
Continuos voltageA. . . .(0-5V, 0-1 OV,1-5V, DC Load Res > 1 K )
ALARM
Maximum two alarms (independent setting)
Alarm type. . . . . . . .programmable (process or deviation)
Alarm output. . . . . . .relay output.
Control Method
P, PI,PD,PID with fuzzy, on/off
Error output 0:.........output off or 0% 1:.........output on or 100%
Output errors mean T/C, RTD input disconnection,A/D convertor error
and setting data error.
Accuracy. . . . . . . . .+/-0.3%FS+1 digit
Sampling time. . . . . . 0.5 second(500ms)
External Dimensions
REX- D100. . . . . . . . 48 x 48 x 100mm
REX- D400. . . . . . . . 96 x 48 x 100mm
REX- D900. . . . . . . . 96 x 96 x 100mm
Power Supply. . . . . . .90 - 264 VAC - 50/60 Hz 6VA 100V, 9VA 200v
OPTIONS
Digital communication. . RS-485 (2 wire type) RS-422A (4 wire type)
Communication speed. . . 150,300,1200,2400,4800,9600 bps.
Address. . . . . . . . . 1 to 16
Parit. . . . . . . . . . with or without, even or odd in case of with
Stop bit. . . . . . . . .1 or 2
Data bit. . . . . . . . .7 or 8
External contact signal Off (SP1 ) On (SP2)
Retransmission output. . 4-20mA DC, 0-20mA DC,1-5VDC,O-1 OVDC,O-5VDC
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