2Ć7
2.1.5
Remote Drive Interface Head (M/N 57C329)
The Remote Drive Interface Head can be used only as an interface
between the AutoMax Remote I/O network and drives with railĆtype
interface ports (such as the Reliance V
★
SGPĆ2000/VTAC V
controller).
This Head must not be connected to Local Heads
(M/N 61C22), Digital Rails (M/N 45C1), Analog Rails (various
model numbers), LED modules (M/N 45C631), or Thumbwheel
Switch modules (M/N 45C630).
The Remote Drive Interface Head consists of a power supply, two
printed circuit boards (a processor board and a remote I/O
communications board), a faceplate, and a protective metal
enclosure. See figure 2.4 for an illustration of the Remote Drive
Interface Head.
The 25Ćpin DĆshell connector on the faceplate supports the
RSĆ232Ćcompatible serial port described in section 5.0. The BNC
connector on the faceplate is used to connect the Remote Drive
Interface Head to the Remote I/O network. The four I/O connectors
are used only to connect to drives with railĆtype interface ports (e.g.,
the Reliance V
★
SGPĆ2000/VTAC V controller with a Rail Interface
module (1SC4000)) via the interface cable (M/N 45C8) supplied with
the Rail Interface module.
The thumbwheel switch on the faceplate is used to set the Remote
I/O network drop number. Drop numbers 1 through 7 inclusive
indicate valid Remote I/O drop numbers.
The terminal strip on the faceplate provides connections for incoming
power as well as a set of normally open contacts from the Ready
Relay. The contacts are closed when the Remote Drive Interface
Head is operating properly and open if a problem is detected in the
onĆboard microprocessor. These contacts can be used to take
remedial action in the event of a problem with the onĆboard
microprocessor.
For diagnostic purposes, the faceplate contains a sevenĆsegment
LED that displays error codes (see Appendix D). The faceplate also
contains three status LEDs, which are labeled as follows:
RUN (amber): Normally on; if off, indicates that the CPU watchdog
has timed out.
POWER (green): When on, indicates power is being supplied to the
CPU and internal voltages are within range.
CPU READY (amber): Will turn on after the powerĆup diagnostics
have been completed successfully and the CPU watchdog has
not timed out. Also indicates the state of the Ready Relay
contacts. When on, the Ready Relay contacts are closed.
Summary of Contents for AutoMax 57C328
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Page 7: ...VI Figure 5 1 Drop Status Monitoring 5 1 Figure 6 1 AutoMax Rail Fault LED Codes 6 5...
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Page 97: ...Appendix B Block Diagrams Remote I O Communications Module M N 57C416 0 3...
Page 99: ...Appendix B Remote I O Head M N 57C328 and M N 57C330...
Page 100: ...Appendix B Remote Drive Interface Head M N 57C329...
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Page 105: ...Appendix E Schematics Communications Passive Tap M N 57C380...
Page 106: ...Appendix E Continued Fiber Optic Rack Power Supply M N 57C368...
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