Daytronic 10A62-8C Handleiding

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1GENERALDESCRIPTIONANDSPECIFICATIONS

This high-accuracy conditioner accepts up to eight independent current signalswith-

in the ISA standard range of 4-20 mA. Both unipolar and bipolar (“zero-center”) inputs

are allowed. Since the 10A62-8C does not provide excitation, the current source must

supply its own power supply, if required.

Chopper-stabilized amplification with active low-pass filtering yields excellent voltage

compliance and make the 10A62-8C suitable for virtually any standard Process Indus-

try current input.

ADDITIONAL10A62-8C SPECIFICATIONS

Input Current

: 4 to 20 mA (unipolar) or 4 to 12 to 20 mA (bipolar or “zero-center”);

automatically selected—on an individual channel basis—when the channel is config-

ured; for the System 10 channel “type” codes assigned to 10A62-8C data channels,

see Table 1, below

Amplifier (per channel):

Common-Mode Range: ±20 V operating; ±50 V without instrument damage

Common-Mode Rejection Ratio: DC: -100 dB; at 60 Hz, 1 kHz, and 3 kHz: -150 dB

Input Impedance: Differential: 100 Ω; Common-Mode: 500 kΩ

Burden: 2 V-DC at full scale

Offset: Initial: ±0.02% of full scale; vs. Temperature: ±20 ppm/°C; vs. Time: ±20

ppm/month

Gain Accuracy: ±0.02% of full scale

Gain Stability: vs. Temperature: ±50 ppm/°C; vs. Time: ±20 ppm/month

Filter (per channel):3-pole modified Butterworth; 3 dB down at 5 Hz; 60 dB down at

100 Hz

Step-Response Settling Time (Full-Scale Output):

To 1% of final value: 170 msec

To 0.1% of final value: 240 msec

To 0.02% of final value: 270 msec

Auxiliary Outputs to Mainframe Wire-Wrap Pins: None

Table 1 10A62-8C “Type”Codes

Full-ScaleChannel

RangeType Code

4-20 mA6C

4-12-20 mA6D

GENERALDESCRIPTIONANDSPECIFICATIONS10A62-8C.1

MODEL10A62-8C

EIGHT-CHANNEL4-20 MA

C

ONDITIONERCARD

SYSTEM10

ANALOGINPUTCARDS

1.E.2.10A62-8C

Product specificaties