CONNECTING A DPG
DPG Master/Slave configuration
0311385
Issue : April 1999
2-12
Radio
SU
Firing
Order
Auxiliary
line
Pilot signals
Slave
SN388
see Note (2)
Slave
DPG
Radio
SU
Ext
GO
Auxiliary
line
Pilot signal
Firing Order
200 ms
200 ms
t
0
par.
t
0
par.
t
0
sync.
t
0
par.
t
0
par.
t
0
sync.
Master
DPG
Slave
DPG
TB
To Master Acquisition
system
To Slave Acquisition
system
Slave DPG
Slave recording
system
T
Waiting for TB Acquisition
TB
CSU
CSU
Time Break
Part of line managed by Master SN388
Part of line managed by Slave SN388
RDY
Radio delay
FO
Ethernet
Ethernet
Ready-Slave
see Note (1)
Select
"Vib Other"
vibrator electronics
type option in
HCI Configuration
Setup
NOTES:
(1)
READY-SLAVE
used to know
whether
the Slave acquisition
is started
or not (status is
computed by Slave DPG
and
sent to Master DPG for operator
information).
(2) SN388 or any other acquisition
system
TB
CLK
EXT GO
RDY IN
5 V
0 V
XDEV
Slave DPG sends the following message via
the RS232 line:
*VE432/
SL
#
xxxx,x/SN
#
xxxx,x/SI
#
x
(Source Line, Source Number, Source Index)
RS232
BLASTER
RECORDER
AUX
Analog
Pilots
COM2
RADIO
Master
DPG
RECORDER
Analog
Pilots
RADIO
Master
SN388
BLASTER
AUX
M/S