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Chapter 8 Specifications
Power
90–264VAC, 47–63Hz, 15VA, 7W maximum
11–26 VAC/VDC, 15VA, 7W maximum
Input 1 resolution: 18 bits
Sampling rate: 5x/second
Maximum rating: -2VDC minimum, 12VDC maximum
(1 minute for mA input)
Temperature effect: ±1.5uV/°C for all inputs except mA
input ±3.0uV/°C for mA input
Sensor lead resistance effect:
T/C: 0.2uV/ohm
3-wire RTD: 2.6°C/ohm of resistance difference of two leads
2-wire RTD: 2.6°C/ohm of resistance sum of two leads
Common mode rejection ratio (CMRR): 120dB
Normal mode rejection ratio (NMRR): 55dB
Sensor break detection:
Sensor open for TC, RTD, and mV inputs, below 1mA for 4–
20mA input, below 0.25V for 1–5V input, unavailable for
other inputs.
Sensor break responding time:
Within 4 seconds for TC, RTD, and mV inputs, 0.1 second for
4–20mA and 1–5V inputs.
Characteristics:
Input 2
Resolution:
18 bits
Sampling rate: 1.66 times/second
Maximum rating: -2VDC minimum, 12VDC maximum
Temperature effect: ±3.0uV/°C for mA input ±1.5uV/°C
for all other inputs
Common mode rejection ratio (CMRR): 120dB
Sensor break detection: Below 1mA for 4–20mA input,
below 0.25V for 1–5V input,
unavailable for other inputs.
Sensor break responding time: 0.5 seconds
Characteristics:
Input 3 (event input)
Logic low:
-10V minimum, 0.8V maximum.
Logic high: 2V minimum, 10V maximum
External pull-down resistance: 400KΩ maximum
External pull-up resistance: 1.5MΩ minimum
Functions: select second set point and/or PID, reset alarm 1
and/or alarm 2, disable output 1 and/or output 2,
remote lockout.
Output 1/Output 2
Relay rating:
2A/240 VAC, life cycles 200,000 for resistive
load
Pulsed voltage: source voltage 5V, current limiting resist-
ance 66Ω.
Linear output characteristics:
Linear Output
Resolution:
15 bits
Output regulation: 0.01% for full load change
Output settling time: 0.1 second (stable to 99.9%)
Isolation breakdown voltage: 1000VAC
Temperature effect: ±0.0025% of SPAN/°C
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