Sensoray 118 - Manual (Page 37)

Sensoray Model 118 Smart A/D™ Instruction Manual 35 Specifications
9 Specifications
9.1 General Specifications
Table 8: General Specifications
Category Parameter Condition Specification
Power Quiescent +5VDC, ±5% 100mA, typical.
+12VDC, ±5% 35mA, typical.
-12VDC, ±5% 35mA, typical.
Temperatur
e
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 DTB slave, A16, D8
Address
requirements
Range One 256-byte address block starting on any
256-byte address boundary.
Address Modifiers Enabled by AM Codes 29 (short nonpriveleged
access) and 2D (short supervisory access).
May be customized by changing one PLD on the
board.