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Installation and Operation Manual
X-VAP-VDM300-eng
Part Number: 541B210AAG
October, 2018
2-7
Brooks
EtherCAT Connection: The VDM300 provides optional, incremental Ether-
CAT communication via dual RJ45 jacks. In order to enable EtherCAT
communication protocol, it must be requested at time of order. An Ethernet
Cat 5 type cable needs to be connected between the tool interface and the
VDM300.This connection allows the user to send commands and set points
and receive flow and alarm signals from the VDM300. It also enables firm-
ware upgrades. Please note that the EtherCAT communication replicates
all of the analog I/O functions with the exception of the DC power supply.
The VDM300 always requires the Analog Connection for the DC power
supply. Reference Supplemental Manual for Brooks Instrument EtherCAT
for VDM300 Series (X-DPT-EtherCAT-VDM300-eng) for specific EtherCAT
assignments.
Power Entry Module Connection and Configuration: The connection to
the power entry module is a standard IEC C-14 connector. This is where AC
power for the VDM300 internal tank heaters is connected. This AC power
is only for the tank heaters. lt does not supply power to any of the internal
electronics in the VDM300. Without this power, however, the VDM300 will not
operate properly since there will be no power available to heat the Dl water in
the titanium tank.
Diagnostic Port Connection: There is one more optional electrical connec-
tion for using the optional USB communication connection. This connection is
not used for normal VDM300 operation. This connection will be explained in
Section 2-7 Diagnostic Port Communication.
Assuming that the user connections meet the above mentioned require-
ments, the following steps can be taken to complete the installation of the
VDM300:
1. Make certain that the VDM300 is properly mounted and that all mechanical
connections have been properly made. Refer to Sections 2-4 and 2-5 earlier
in this manual.
2. Make certain that the ON/OFF switch in the power entry module is in the
"Off" or "∅" position.
3. Connect the tool interface DB-15 receptacle to the lnput/Output DB-15
plug on the VDM300. lt is recommended that this connection be secured to
the jack screws on either side of the DB-15 plug on the VDM300. Note that if
the DC power supplied by the user is on, the VDM300 electronics will power
up at this point. lt is recommended that Pin 4 and Pin 14 of the DB-15 not be
grounded at this point to keep the VDM300 in the idle state.
4. Attach the supplied ferrite core to the control cable right below the DB-15
connector.
5. Connect the AC power to the power entry module.
6. Switch the ON/OFF switch on the power entry module to the "On" or "1"
position.
The installation process for normal VDM300 operation is now complete.
VDM300 Vapor Delivery Module
®
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