INFICON Cygnus Thin Film Deposition Controller - Manual (Page 28)

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Cygnus Operating Manual
1.4.6 Logic Processing
Type . . . . . . . . . . . . . . . . . . . . . . . . . If/Then statements
Logical Functions . . . . . . . . . . . . . . . And; Or; Not; Parentheses
Depth . . . . . . . . . . . . . . . . . . . . . . . . 5 "If" conditions and 5 "Then" results/actions
per statement
# of Statements . . . . . . . . . . . . . . . . 100 If/Then
Selectable events . . . . . . . . . . . . . . . Deposition monitor events, states, external
inputs, relays, timers, and counters.
Hierarchy . . . . . . . . . . . . . . . . . . . . . Statements evaluated in numerical order at
10 Hz any time the unit is on.
Partitioning . . . . . . . . . . . . . . . . . . . . None
Initialization . . . . . . . . . . . . . . . . . . . All outputs transition to their normal states as
early as possible during power-on
initialization sequence.
1.4.7 Relays / Inputs
Relays . . . . . . . . . . . . . . . . . . . . . . . SPST 2.5 A relays rated @ 30 V(dc) or
30 V(ac) RMS or 42 V(peak) maximum;
(8 standard, up to 16 optional with 2
additional I/O cards); D sub connector; relays
are normally open in the power off state, but
may be programmed to normally open or
normally closed during operation.
Relay Ratings. . . . . . . . . . . . . . . . . . 100 VA inductive; 2.5A maximum.
# of TTL Compatible Outputs . . . . . . 14 with optional I/O card. Internally pulled up
to 5 V(dc). May be pulled up externally to
24 V(dc) through 2.4k resistor.
minimum high level 0.5mA load @3.75 V
maximum low level 10mA load @1.1 V
Inputs (TTL Compatible). . . . . . . . . . (14 standard, 14 additional optional)
Input Levels
maximum high . . . . . . . . . . . . . . 24 V
minimum high . . . . . . . . . . . . . . . 2.5 V
maximum low . . . . . . . . . . . . . . . 1.1 V
Scan/Update Rate . . . . . . . . . . . . . . 10 Hz