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1.9.3 Digital Input Specifications (DI206 & RD233)
Channels:
DI206: 6 Channels per card,
RD233: 3 Channels per card
Logic Low: -5V minimum, 0.8V maximum
Logic High: 3.5V minimum, 24V maximum
External pull-down Resistance: 1KΩ maximum
External pull-up Resistance: 1.5MΩ minimum
1.9.4 Relay Output Specifications (RO206 & RD206)
Channels:
RO206: 6 Channels per card,
RD233: 3 Channels per card
Contact Form: N.O. & N.C. (Form C)
Relay Rating: 5A/240 VAC, life cycles 200,000 for resistive load
1.9.5 Analog Output Specifications (AO206)
Channels: 6 Channels per card
Output signal: 4-20mA, 0-20mA, 0-5V, 1-5V, 0-10V
Resolution: 16 bits
Accuracy: ±0.05% of Span ±0.0025% /˚C
Load Resistance: 0-500Ω (current), 10KΩ minimum (voltage)
Output Regulation: 0.01% for full load change
Output Setting Time: 0.1 second (stable to 99.9%)
Isolation Breakdown Voltage: 1500VAC at 50/60Hz for 1 minute
Integral Linearity Error: ±0.005% of Span
Temperature Effect: ±0.0025% of Span /˚C
Note:
There are DIP switches available on the AO card to select the output type and the default setting
is SET to Voltage output. For Current (mA) Output, SET 1to 5 (ON) and 6 to 8 (OFF). For more details refer
to Chapter 5.1.4
1.9.6 PID Process Control card Specifications
1.9.6.1 Input1
Resolution: 18 bits
Sampling Rate: 5 times / second
Maximum Rating: -2 VDC minimum, 12 VDC 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:
❖ Thermocouple: 0.2uV/Ω
❖ 3-wire RTD: 2.6°C/Ω of resistance difference of two leads
❖ 2-wire RTD: 2.6° C/Ω of resistance sum of two leads
Burn-out Current: 200nA
Common Mode Rejection Ratio (CMRR): 120dB
Normal Mode Rejection Ratio (NMRR): 55dB
Sensor Break Detection: Sensor Open for Thermocouple, RTD and mV inputs
Sensor short for RTD input
Below 1 mA for 4-20 mA input
Below 0.25V for 1 - 5 V input
Not available for other inputs.
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