Daytronic 10A15-8 Handleiding

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1GENERALDESCRIPTIONANDSPECIFICATIONS

Providing regulated excitation current, the Model 10A15-8 can condition up to eight

independent temperature signals from many

3-wire, dual-thermistor-bead probes,

in any desired mix (within designated ranges, thermistor probes offer higher accuracy

and greater long-term dependability than thermocouples).

All analog input channels derived from a Model 10A15-8 must be given a channel

“type” code of

55(“raw” millivolt signal), via the procedure described in Section 3.a,

below.

ADDITIONAL10A15-8 SPECIFICATIONS

Measurement Range and Resolution

: See Table 1, below; automatically selected—

on an individual channel basis—when the channel is configured; all 10A15-8 data

channels are to be “typed” as “55” (see Section 3.a)

Excitation (per channel):As required for thermolinear transducer

Amplifier (per channel):

Input Impedance: As required for thermolinear transducer

Offset: Initial: ±0.02% of full scale; vs. Temperature: ±50 ppm/°C; vs. Time: ±20

ppm/month

Gain Accuracy: ±0.02% of full scale (absolute maximum input voltage range with-

out damage is ±9 V)

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

Filter (per channel):1-pole modified Butterworth; 3 dB down at 30 Hz; 60 dB down at

100 kHz

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

To 1% of final value: 30 msec

To 0.1% of final value: 60 msec

To 0.02% of final value: 250 msec

Total System Accuracy(typical, including Model 10A15-8, probe interchangeability,

and system data collection and processing): see Table 1, below

Auxiliary Outputs to Mainframe Wire-Wrap Pins:None

SYSTEM10

ANALOGINPUTCARDS

MODEL10A15-8

EIGHT-CHANNELTHERMISTOR

CONDITIONERCARD

1.E.2.10A15-8

GENERALDESCRIPTIONANDSPECIFICATIONS10A15-8.1

Product specificaties