Tempco tec-220, Instruction Manual, Page: 27 / 36

23
Power
90–250VAC, 47–63 Hz, 10VA, 5W maximum
11–26VAC/VDC, 10VA, 5W maximum
Input
Resolution:
18 bits
Sampling rate:
5 times/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,
Sensor short for RTD input,
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.
Chapter 6 Specifications
Output 1/Output 2
Relay rating: 2A/240VAC, 200,000 life cycles for
resistive load
Pulsed voltage: Source voltage 5V, current limiting
resistance 66
Ω
.
Linear Output
Resolution: 15 bits
Output regulation: 0.02% for full load change
Output settling time: 0.1 sec. (stable to 99.9 %)
Isolation breakdown voltage: 1000VAC
Temperature effect: ±0.01% of SPAN/°C
Triac (SSR) Output
Rating: 1A/240 VAC
Inrush current: 20A for 1 cycle
Min. load current: 50mA rms
Max. off-state leakage: 3mA rms
Max. on-state voltage: 1.5VAC rms
Insulation resistance: 1000M
Ω
min. at 500 VDC
Dielectric strength: 2500VAC for 1 minute