Sensoray 618 - Manual (Page 21)

Sensoray Model 618/619 Smart A/D 19 Specifications
9 Specifications
9.1 General Specifications
Table 6: General Specifications
Category Parameter Condition Specification
Power Quiescent +5VDC, ±5% 100mA, typical.
+12VDC, ±5% 35mA, typical.
-12VDC, ±5% 35mA, typical.
Temperature Operating range Guaranteed accuracy -25°C to +85°C
Sense inputs CMRR CMV < 5V, f < 1KHz 80dB, minimum
CMV Guaranteed accuracy ±5.0V, maximum
Input impedance SCC disabled 1000 M
Ω
, minimum
SCC enabled 1 M
Ω
, typical
Input protection Continuous ±20V CMV, maximum
2 seconds, max. ±70V CMV, maximum
A/D
converter Type Integrating, 16-bit resolution.
Measurement period,
per channel 60Hz reject mode
(default mode) 16.7 milliseconds, typical (default mode).
4.0 milliseconds, typical (high-speed mode).
50Hz reject mode 20 milliseconds, typical (default mode).
4.8 milliseconds, typical (high-speed mode).
Total time slot,
per channel 60Hz reject mode
(default mode) 22 milliseconds, maximum (default mode).
9 milliseconds, maximum (high-speed mode).
50Hz reject mode 25.3 milliseconds, maximum (default mode).
11 milliseconds, maximum (high-speed mode).
Excitation
source Pulse width Applied for duration of channel time slot.
Type Strain/pressure gage 10VDC, 40mA maximum.
400
Ω
/3K
Ω
ranges 1.2mADC.
600K
Ω
range 5VDC in series with 4K
Ω
.
Bus interface Type PCI Slave, 32-bit, 33MHz
Address
requirements Three I/O address blocks: sizes 32, 128 and 256 bytes.
PCI configuration registers require an additional amount.