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order information:
L61-xxxx
Modem:
L17 - 0-300 baud FSK modem
L17A - 0-600 baud FSK modem
L17B - 1200 baud FSK modem
Micro-Comm, Inc. • 15895 S Pflumm Rd • Olathe, KS 66062 • (913) 390-4500 • fax: (913) 390-4550 • www.micro-comm-inc.com
m1550 plC
i/o
• 4 Form C Relay Outputs, 4A @ 250VAC General Use (4A @ 30VDC Resistive)
B300 Pilot Duty, Relay contact to coil isolation 4000Vrms
• 4 Open Collector Outputs, 100mA @ 12VDC (COM1 pins)
Internal clamping diode to 12V
• 8 Optically Isolated Discrete Inputs, Dry Contact or Open Collector to GND,
Optically Isolated, 4mA Wetting Current, 12VDC Wetting Voltage
2 High Speed Pulse Inputs (inputs DI7 and DI8)
0-1000Hz, 50% duty cycle, contact closure or open collector to GND
6 Low Speed pulse inputs (inputs DI1-DI6)
0-50Hz, 50% duty cycle, contact closure or open collector to GND
• 4 Analog Inputs, 12bit, 0-5V or 0-20mA, 0.1% accuracy,
0.001%/degC temp. coefficient,
+/- 24V over voltage on any one Analog Input
• 2 Additional On-Board Sensor Analog Inputs, 12bit
Box Temperature, 0-150°F
System Voltage, 0-25.5V
• 2 Analog Outputs, 0-20mA, 12 bit, 0.25% accuracy
900 ohm maximum loop resistance
power sourCe and supplies
• Power Supply 12VDC Isolated Source with 8A Fuse,
Use 14 AWG Supply Connections
• Power Input 10.5-15VDC, 12VDC Nominal, 8.0A
• Resistive Loads Only, DC Use
• The sum of the load currents must be 7.5A or less
• COM1 (pins 9,10,11) 10.5-15VDC, 4.0A
• COM2 (pin 4) 10.5-15VDC, 2.0A
• COM3 (12V) 10.5-15VDC, 2.0A
• COM4 (pin 4) 10.5-15VDC, 2.0A
• 24VDC @ 20mA per Terminal, Sensor Excitation power supply
• Temperature Range -40 to 50 degC (-40 to 122 degF) Surrounding Air Temp
• Internal Battery Lithium 3V, 1200mAh, 2/3A Size
(Real-Time Clock and NVRAM)
Cpu and memory
• 32bit MCU running 25MHz
• 1MB FLASH, Application Program
• 1MB RAM, Data
• 9MB Serial FLASH, Configuration
CommuniCations
• COM1, DB25M, RS-232 and RF signals
• COM2, DB9M, RS-232 w/flow control lines
• COM3, RS-485 4 wire, Pluggable Terminal Block
• COM4, RS-232/RS-485, 9pin Sub-D
• COM5, Ethernet, 100Base-TX, RJ-45
• Plug In RF MODEM
FSK 0-300, 600, or 1200 BAUD
dimensions
• Height 9.75”
• Width 6.85”
• Depth 3.35” (with personality module)
• Weight 2.3 lb
field wiring
• Use Copper Conductors Only, 60°C
• Wire Range, 12-26 AWG
• Wire Strip Length, 0.310”
• Recommended Tightening Torque, 0.79 N-m / 7.0 lb-in.
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