109
Specifications
33
33.5 RTD INPUT continued
RESOLUTION: 1, 0.1, 0.01 (for 0.01 resolution the least significant
digit is an averaged value)
CURRENT: 160 µA, factory calibrated, auto-compensation
EXCITATION: 1.6 mA, can be field calibrated with EEPROM
storage (RTDs or OHMS):
LEAD RESISTANCE (for specified accuracy)
THERMOCOUPLES: to 100 ohms, total
2-wire 100 ohm RTD: 50 milliohms/lead
3-wire 100 ohm RTD: 5 ohms/lead, balanced
4-wire 100 ohm RTD: 10 ohms total, unbalanced
33.6 GENERAL
SCALE: +0.000001 to +500000 or –0.0001 to –99999.
OFFSET: Zero to +999999
POLARITY: unipolar/bipolar, programmable
NOISE REJECTION
NMR: 60 dB, 50 or 60 Hz, + se lect ed filter
CMR: 120 dB
ACCURACY at 25 ºC
MAX ERROR: ±0.005% of reading
SPAN TEMPCO: less than 20 ppm/ºC
WARMUP: 55 minutes to rated accuracy. It is recommended
that the unit be continuously running to insure its
ac cu ra cy.
CONVERSION TECHNIQUE: Delta-Sigma
RESOLUTION: 24-bit A/D
READING RATE: See Table 33-1
DISPLAY LEDs: red/amber/green 6-digit, 9-segment color changing,
17.3 mm (0.68”) H x 10.2 mm (0.40”) W;
4 alarm indicators; ˚C, ˚F, & ˚K
SYMBOLS: –.8.8.8.8.8. or 8.8.8.8.8.8
DECIMAL POINT POSITION: Programmable
SENSOR EXCITATION: 1.5 to 11 Vdc, to 60 mA Max
10 V, to 30 mA
24 V, to 25 mA
OUTPUTS
STANDARD: 4, isolated open collector; 150 mA at 1 V sink;
30 V open.
ANALOG OUTPUT, OPTIONAL: 0-5 V, 1-5 V, 0-10 V, 0-20 mA, 4-20 mA level;
14-bit resolution; 0.1% ac cu ra cy; 6 msec step
response.
RELAY OUTPUT, OPTIONAL: Form -C, SPDT Relays
POWER RATING FOR
RESISTIVE LOADS: Two relays at P6 and P7
30Vdc or 250 Vac @ 5 Amp
Two relays at P18A and P18B
30 Vdc or 250 Vac @ 3 Amp
(see Figure 5-9)
To Next Page
Loading...
