Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 443)

App.C-6
IM 11B08A01-01E
FM-Y: Not required
Note: For installation in hazardous area, an explosionproof
structure authenticated by a relevant certifi ed body
shall be prepared by customer.
The same number unit of the signal interrupter as
contact output card is required.
4.2.6 Contact Input (Option, Up to 4 cards)
Number of contacts: 8 per card, maximum of 32
Function: The following settings are possible at
each contact point.
Alarm: Occurrence of external contact alarm
(level 2 or 3)
Stream sequence: Performing the specifi ed
stream sequence
Stream (continuous): Measuring the
specifi ed stream continuously
Stream (once): Measuring the specifi ed
stream one time
Calibration/Validation: Calibrating or
validating the specifi ed stream
Operation mode: Changing the operation
mode (run, pause, stop)
Range change:
Changing the stream and peak
ranges
Contact specifi cations: Zero voltage
contact input
Contact rating: 5 V DC, 20 mA or more
Input signal:
Open signal: Input load 100 kΩ or more
Close signal: Input load 200 Ω or less
Operation on input: NC or NO (selectable)
4.2.7 Contact Input/Output (Option, Up to 4 cards)
Number of contacts:
3 for input and 3 for output per card,
maximum of 12 for input and output
each
Function, Contact specifi cation, Contact rating,
Operation specifi cation:
Contact output:
The same functions as in “4.2.5
Contact Output”
Contact input: The same functions as in
“4.2.6 Contact Input”
External I/O Cutoff Output:
Number of outputs: 1
Function: Monitoring the purge air pressure
in the electronics section, applying
power (24 V DC) to the signal
interrupter when the state is normal.
Signal interrupter (Rack-mounted type, AC:
K9806AN, DC:K9806AJ):
FM-X, ATEX, IECEx, TIIS:
Additionally required. Signal is
interrupted by power supply OFF
signals from the external I/O cutoff
output (contact output only).
FM-Y: Not required
Note: For installation in hazardous area, an explosionproof
structure authenticated by a relevant certifi ed body
shall be prepared by customer.
The same number unit of the signal interrupter as
contact output card is required.
4.3 Air output
Atmospheric balance valve:
Number of points:
Maximum of 6 (1 for a GCM, up to 2
for an isothermal oven)
Pressure: 350 kPa
Connection: 6 mm or 1/4″ tube, the
pressure control section of the oven
unit
Stream switching valve:
Up to eight automatic valve streams:
Number of points: Maximum of 8 points
Pressure: 350 kPa
Output method: 1 to 1 output
Nine or more automatic valve streams (Note:
Applicable only to 1GCM):
Number of points: 4 points (4 bits, 1 to 15
streams) or 5 points (5 bits, 16 to 31
streams)
Pressure: 350 kPa
Output method: Binary code output
Connection:
6 mm or 1/4″ tube, the pressure
control section of the oven unit
4.4 User Programming (Option, Up to 1 unit)
The following functions can be set:
• Calculation of analysis results
• Changing operation mode
• ON/OFF operation of DO
• Reading states of DI, AI
5. Communication converter/Signal interrupter
Weight: Approximately 500g
Installation location: Non hazardous area (For
installation in hazardous area, an
explosionproof structure authenticated
by a relevant certifi ed body shall be
prepared by customer.)
Ambient condition during operation:
-10 to 50°C, 95 % RH or less (no
condensation)
Ambient condition during storage:
-40 to 85°C, no condensation
Safety standard: CE Compliance
5.1 Communication converter
• RS-422/RS-232C converter:
(Rack-mounted type: K9806AS, Desktop
type: K9806AT)
Number of port: 1
Communication speed: maximum of
38400bps
Power supply: 24 V DC (Supplied from
External I/O Cutoff Output of Serial
communication card in GC8000)
Earth: Functional earth
Other function: Signal interrupter function
• Ethernet/SHDSL converter: K9802PB
Number of port: 1
Communication speed: maximum of
5696kbps
2nd Edition : May 11, 2012-00