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Installation Guide (MUT)
Mod. SY1527, universal multichannel power supply system
03/12/02
3
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00103/97:1527x.MUTx/03 HWGUIDE_REV3.DOC
62
33
ISEL
(CURRENT SELECTION) input connector and relevant green LED – it
allows to select one of the two current limit values, I0SET and I1SET,
programmed for the relevant channel. If the ISEL input is FALSE, the selected
voltage value is I0SET (LED off); if it is TRUE, the selected voltage value is
I1SET (LED on).
KILL
input connector and relevant green LED – if it is TRUE (relevant LED on),
all the channels will be turned off.
Moreover, on the right there are the following components:
The
RESET push button
allows a manual reset of the channels directly from the front
panel. If the button is pressed for more than T
RCPU
=100÷200 ms (the LED will be red),
only the CPU will be reset. If the button is pressed for more than T
RCH
= T
RCPU
+ 900 ms
(the LED will become orange), also the boards will be reset and the channels turned off.
The
LOC ENABLE / REM ENABLE / DISABLE switch
, a three-position lever switch
which allows disabling voltage generation on the channel boards (central position),
enabling the channels locally (upper position; LOC ENABLE LED on) or allowing remote
enable of the channels (lower position). The remote enable will occur by sending a
proper signal on the ENABLE input connector (the REM ENABLE LED is alight as the
ENABLE signal is TRUE).
These components and their function is closely related with the adjacent input
connectors:
RESET
input connector and relevant red/orange LED - it allows to reset the
system remotely by sending a proper input signal. If the RESET signal is longer
than T
RCPU
=100÷200 ms (the LED will be red), only the CPU is reset; if it is longer
than T
RCH
= T
RCPU
+ 900 ms (the LED will become orange), also the boards are
reset and the channels which are ON are turned off.
ENABLE
input connector and relevant red LED – if the remote enable mode is
selected via the relevant three-position lever switch (see above), it allows to
enable the system remotely by sending a proper input signal.
For a detailed description of the mechanical and electrical characteristics of all the input
connectors, please refer to the Technical Specifications in Section 4.3, p.36. A summary
of their characteristics is also given in the Reference Table 2.2 and Table 2.3, p.15.
N.B:: please note that any type of reset command must be enabled via software in
the RESET FLAG window by tagging the relevant reset condition with an asterisk
(for details see the User's Manual).
I/O control
The area at the bottom of the I/O control section contains several I/O connectors and
relevant displays for the monitoring of the system status.
Starting from left to right, the I/O connectors are:
HVSYNC
(HIGH VOLTAGE SYNCHRONISATION) input/output differential
connectors and relevant red LED (
MASTER
) – this is the synchronisation clock
(Rs485 standard, 1.25 MHz) for the Primary Power Supply, Power Supply Units
and boards. It can works either as MASTER (red LED on), i.e. the
synchronisation clock is internally generated and the HVSYNC connector works
as output, or as SLAVE, i.e. the synchronisation clock is externally generated
and send through the HV SYNC connector which works as input.
LOCAL NET
input/output differential connectors and relevant red LED –
input/output connectors for the control of non-intelligent systems ONLY.
