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West Temperature Control Specifications
Series 4700, 6700 High/Low Limit Controls
FM Approved Limit with Push Button Reset.
Logs High, Low Temperature & Time in Excess of Setpoint.
Maximum Number of Inputs: (1) analog, (1) TTL Logic for Reset (optional).
Input Sample Rate: Four times/second.
Input Resolution: Four times better than display resolution.
DC Linear Input Scaling: User programmable scale range minimum: -1999 to 9999; Scale range maximum: -1999 to 9999; Decimal point user programmable; Minimum span 1 display LSD.
Outputs: Up to three available.
Relay Outputs: SPDT 2A resistive 240VAC maximum > 500,000 operations at rated current/voltage.
DC Linear Output: Eight bits in 250mS; 10 bits in 1 second
Maximum Number of Alarms: Two “soft” alarms plus loop alarm which can utilize up to two outputs.
Communications: RS485 Serial asynchronous with user selectable address 1-32; Baud rate selectable from 9600, 4800, 2400, 1200 baud.
Operating Conditions: 0 to 55 degrees C; 20-95% RH non-condensing; 90-264VAC or optional 20-50VAC/22-65VDC supply voltage.
Thermocouple Source Resistance: 1000 ohm maximum
RTD Lead Resistance: 50 ohm maximum (balanced)
Accuracy: +/- 0.25% of span +/- 1 LSD
Click here for our complete line of temperature controls
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To build a Part Number fill in the selections below.
MODEL
4701 1/4 DIN Limit Control (programable as High or Low Limit)
6701 1/16 DIN Limit Control (programable as High or Low Limit)
INPUT TYPE
1 3
Wire RTD or DC Millivolts
2
Thermocouple
3 DC
Milliamps
4 DC Volts
Output #1
1 Relay
Output #2
0 None
1* Relay
Output #3
0 None
1* Relay
3* DC
0-10VDC Recorder (retransmit) output only
4* DC
0-20mA Recorder (retransmit) output only
5* DC
0-5VDC Recorder (retransmit) output only
7* DC
4-20mA Recorder (retransmit) output only
Options
00 None
10* RS485
Serial Communications (Cannot use with option 30)
02*
24VAC/24VDC Power Supply (instead of 90-264VAC)
30* Remote
Reset
* Items marked are optional and are extra cost. Most
features are easily upgradeable in the field via plug in option
boards.
Output types and proper
uses:
Relay: Form C contact
output suitable for any voltage up to 2 Amps/240 VAC; Use to
drive mechanical contactors, relays, mercury contactors
Din-A-Mites with AC Voltage inputs.
Retransmit Outputs: Supply
other equipment with a linear signal proportional to the input or
setpoint value.
Outputs #2 & #3 (Relay
) can be utilized as an alarm output (high process, deviation
high, deviation low, band)
So that ISE can totally configure your instrument for
your application we need the following information:
1) Model number
2) Use for each output
3) General application description (i.e. Oven Protection)
We will assist in the selection of the proper control and
model number for your application. Fill in
information at the bottom of this page to receive a quotation,
literature or other information.
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