essex inc.
M A C H I N E T O O P E R A T O R
C O M M U N I C A T I O N S Y S T E M
OWNER’S MANUAL
MOCS Owner’s Manual
TABLE OF CONTENTS
PLC System Specifications 2
CPU System Specifications 3
Overview 5
Installation 6
Operation 7
Spare Parts 9
Troubleshooting 10
Precautions 10
Options 11
PLC SYSTEM SPECIFICATIONS
Power Supply
Voltage / frequency
Operating
Voltage range
Power
Consumption
Inrush current 60 A max.
External power supply Voltage
Insulation resistance 20 mega ohms min. at 500
Noise resistance 1500 V (peak to peak) with
Dielectric strength 2300 VAC at 50/60 Hz for
AC
DC
AC
DC
AC
DC
Output capacity
100 to 240 VAC, 50/60 Hz
24 VDC
85 to 264 VAC
20.4 to 26.4 VDC
60 VA max.
20 W max.
24 VDC
200 mA
VDC between AC terminals
and ground terminal
a pulse width of 0.1 to 1
microsecond 1 nanosecond rise time pulse (tested
with noise simulator)
one minute with leakage
current of 10 mA max. between all the external AC
terminals and ground terminal
Vibration resistance 10 to 57 Hz width and am-
plitude of 0.075 mm, and
57 to 150 Hz with an acceleration of 9.8 m/s2 (IG) in
X, Y, and Z directions for
80 minutes each (ie. Swept
for 8 minutes, 10 times)
Shock resistance 147 m/s2 (15 G) in X, Y
and Z directions 3 times
each.
Operating Conditions Ambient temperature 0 to 55 degrees C (32 to
122 degrees F)
Ambient humidity 10% to 90% (no condensa-
tion)
Ambient environment With no corrosive gas
Storage conditions Ambient temperature -20 to 75 degrees C
(-4 to 165 degrees F)
Power supply holding time 10 ms minimum for AC
models and 2 ms minimum
for DC models
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CPU SPECIFICATIONS
CPU Feature Summary
Form Factor Mini-ITX, compatible with microATX (6.75 inches by 6.75 inches
171.45 millimeters by 171.45 millimeters])
Processor Support for the following:
• Soldered-down Dual-Core Intel® Atom® processor
Memory • One 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) socket
• Support for DDR2 533 MHz and DDR2 400 MHz DIMMs (DDR2 800 MHz
and DDR 667 MHz validated to run at 533 MHz only)
• Support for up to 2 GB of system memory
Chipset Intel® 945GC Chipset, consisting of:
• Intel® 82945GC Graphics Memory Controller Hub (GMCH)
• Intel® 82801GB I/O Controller Hub (ICH7)
Audio 5.1-channel audio subsystem using the Realtek* ALC662 high definition
audio codec
Video Intel® GMA950 onboard graphics subsystem
Legacy I/O Control SMSC LPC47M997 based Legacy I/O controller for hardware manage-
ment, serial, parallel, and PS/2* ports
Peripheral Interfaces • Four USB 2.0 ports
• Two Serial ATA (SATA) headers
• One serial port
• One parallel port
• One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
• PS/2 keyboard and mouse ports
• One S-Video output port (not available on the D945GCLF2D desktop
board)
LAN Support 10/100/1000 Mbits/sec LAN subsystem using Realtek 8111C GbE LAN
adapter device
BIOS • Intel® BIOS (resident in the SPI Flash device)
• Support for Advanced Configuration and Power Interface (ACPI), Plug
Expansion Capabilities • One PCI Conventional bus connector
Hardware Monitor • Hardware monitoring through the SMSC I/O controller
Subsystem • Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Two fan headers
• Two fan sense inputs used to monitor fan activity
• Fan speed control and Play, and SMBIOS
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