Harris Atlas DVL400, Technical Manual

Page: 112 / 180

4-12 888-2473-001 2/25/03
WARNING: Disconnect primary power prior to servicing.
Section 4 Theory of Operation ATLAS Series™
1.
On and OFF
2. Raise and Lower
3. Driver A / Driver B Select
4. Pump 1 / Pump 2 Select
5.
Driver A / Driver B Status
6.
Pump 1 / Pump 2 Status
7.
External Interlock
NOTE:
These 7 lines represent the basic remote control functions and status indica-
tions that will be available if the CAN bus is not functioning.
c.
Four (4) RS-232 communications ports.
1.
One (1) is connected directly to the serial port on the micro-module and
is used for VT-100 diagnostics and for ISP (In-System Programming).
2. Two (2) are for connection to an external computer or modem for serial
remote control applications (applications provided by customer).
3. The last one is part of the External I/O Control cable which connects to
the Main Controller, but is not used at present.
d.
Five (5) parallel remote control connections.
1. Two (2) Remote Control Input Connectors (J13 and J14)
2. Two (2) Remote Status Output Connectors (J15 and J16)
3.
One (1) Remote Metering Output Connection (J17)
NOTE:
A complete listing of the parallel remote control connectors is given in Table
2-3, Table 2-4, and Table 2-5 starting on page 2-26.
e.
External Interlock Terminal Block which gives a connection point for up to 6
external interlocks.
f.
Pump Module Control Cable connection.
g.
External System I/O Cable (J11) which is the connection point for an N+1
controller as well as Isolation load connections.