8.5.2.9 TVBAS2B Buffered Outputs
With the TVBAS2B, each channel provides additional outputs other than the standard 37-pin connection. The signal output is
buffered from the signal used by the I/O module to prevent any corruption caused by third-party hardware connected to the
output.
Each channel is output on a BNC connector with 10 kilo-ohms between the buffer out and BNC signal pin and 10 kilo-ohms
isolation between signal low and the control power common, PCOM.
Each channel is also output through a 25-pin or 9-pin connectors JA1, JB1, JC1 and JD1 designed to interface with the Bently
Nevada 3500 monitoring system. The TVBA buffered source impedance is approximately 40 ohms.
Jumper, JPxB
The jumper, JPxB where x = 1 through 14 is used to configure the output for either seismic outputs with a -11 V dc bias
voltage added to the velocity signal or positioned to output Proximitor, Velomitor or accelerometer with integrated output
signals.
8.5.2.10 Bently Nevada Buffered DB Connector Points
Signal Name
Connector Pin #
BPR01 JA1 3
PCOM JA1 2
BPR02 JA1 7
PCOM JA1 6
BPR03 JA1 11
PCOM JA1 10
BPR04 JA1 23
PCOM JA1 24
BPR05 JB1 3
PCOM JB1 2
BPR06 JB1 7
PCOM JB1 6
BPR07 JB1 11
PCOM JB1 10
BPR08 JB1 23
PCOM JB1 24
BPR09 JC1 3
PCOM JC1 2
BPR10 JC1 7
282 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
Public Information
To Next Page
Loading...
