Horner APG ***lated Analog Current Input Modules provide four analog input channels, with 14-bits of resolution. The ***lation levels for this unit are channel-to-channel and channel-to-ground. The modules convert the current input signals to digital values which are placed directly into the %AI table of the PLC CPU. Each channel may be configured for an input range of 4-20mA or +/-20mA. Each of the four channels of the module has a programmable setpoint (the level of which is set in the PLC program via four %AQ output registers). When the analog input value reaches or exceeds the setpoint, a corresponding digital input %I is energized. The first four %Is represent the four input channel setpoint alarms respectively.
| Power Consumption,Typical | ADC415: .4W /80 mA @ 5V 2.16W /90 mA @ 24V ADC 420: .7W /140 mA at 5V 1.2W /50 mA @ 24V |
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| Surge Current at Power-Up | ADC415: 120mA @ 5V 150mA @ 24V ADC420: 200mA @ 5V 100mA @ 24V |
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| Number of Channels | 4 |
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| I/O Required | 4%AI, 4%AQ, 16%I |
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| Input Range | 4-20mA, +/-20mA |
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| A/D Type, Resolution | Integrating, 18 bits |
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| Useable Resolution | 13 bits plus sign |
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| Module Update Rate | 45 channels/S |
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| Input Impedance | 100 ohms |
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| Analog Filtering | 1KHz, 3 pole Bessel |
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| Digital Filtering | 1-128 samples / update |
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| Analog Filtering | 1KHz, 3 pole Bessel |
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| Maximum Error | .05% full scale |
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| Channel to Channel (ADC420) | 1500VAC (RMS), +/-2000VDC |
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| Common Mode Range (ADC420) | 1500VAC (RMS), +/-2000VDC |
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| Channel to Channel (ADC415) | 500VAC (RMS), +/-700VDC |
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| Common Mode Range (ADC415) | 500VAC (RMS), +/-700VDC |
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| Common Mode Rejection | >100dB |
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| Relative Humidity | 5% to 95%, non-condensing |
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| Operating Temperature | 0 to 60°C (32 to 140°F) |
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