IMC CANSAS - Bridge2

460 General Technical Specs
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
7.1 BRIDGE2
Data Sheet Version 1.2 (2-channel bridge amplifier)
Inputs, Measurement mode, Terminal connection
Parameter
Value
Remarks
Inputs
2
Measurement mode
DC-bridge measurement
no voltage measurement
Terminal connection
2x DSUB-15
1 channel per connector
CAN (in / out)
2x DSUB-9
Supply
PHOENIX (MC 1,5/4STF-3,81)
Sampling rate, Bandwidth
Parameter
Value
Remarks
Sampling rate /channel
5 kHz
per channel
Bandwidth
1 kHz
-3 dB
Resolution
16 bit
General
Parameter
Value
Remarks
Isolation:
input/CAN-Bus
input/power supply
input / analog
±60 V
±60 V
no isolation
output to case (CHASSIS)
nominal; testing voltage 300 V (10 s)
nominal; testing voltage 300 V (10 s)
analog reference ground: CHASSIS
Overvoltage protection
±20 V
short-term, to frame (CHASSIS)
Input coupling
DC
Input configuration
(configurable)
full bridge
half bridge
quarter bridge 120
quarter bridge 350
default
with wire bridge in the connector plug
internal quarter bridge completion
software selectable
Input impedance
10 M
Bridge measurement
Parameter
Value (typ. / max)
Remarks
Mode
DC
Measurement mode
full-, half-, quarter bridge
Input ranges
±10 mV/V, ±5 mV/V, ±2 mV/V,
±1 mV/V, ±0.5 mV/V, ±0.2 mV/V
Bridge voltage
3.5 V DC
3-wire circuit for compensation of cable
resistance (+VB, +SENSE, -VB)
Bridge balancing range
±3 mV/V (min.)
in all input ranges
Bridge impedance
120 (min.)
Calibration resistor
100 k
releasable via CAN-bus ; "Rcal"
corresponds to:
0.30 mV/V at 120 bridge
or 0.87 mV/V at 350 bridge
Cable length (max.)
28 m or max. 3% of
bridge impedance
for 120 bridge with Cu-cable
0.14 mm
2
, 130 m /m: max. 3.6