INSTALLATION AND OPERATION MANUAL
FDC80 Series
8-CHANNEL SUPERVISED CONTACT CLOSURE
This manual serves the following
ComNet Model Numbers:
FDC80TM1
FDC80RM1
FDC80NLRM1
FDC80TS1
FDC80RS1
FDC80NLRS1
FDC80T48 5
FDC80R485
FDC80NLR485
The FDC80 contact closure transmitter and receiver provide transmission of up
to eight independent supervised contact closures over either one optical fiber or
two wire RS-485 link. Microprocessor-based logic sends the contact information
in packets that are ordered and encoded, ensuring extremely robust transmission.
Packets that are garbled, packets out of sequence, and transmission bit errors will not
cause random changes of state on the contact relays. The receiver unit is offered in
both latching and non-latching relay configurations.
Multiple levels of supervision and receiver alarm control can be selected. See Figure
7 on Page 4 for switch settings.
Each module incorporates power and individual status indicating LED’s for monitoring
confirmation of contact closure of each of the eight channels. See Figure 8 on Page 4
for an explanation of the LED indicators.
These units are interchangeable between stand-alone or card mount configurations.
See Figure A on Page 7 for mounting instructions.
See Figures 1 – 11 for complete installation information, following the Application
Note on Page 6.
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INSTALLATION AND OPERATION MANUAL FDC80
FIGURE 1 – FDC80 OPTICAL
MULTIMODE OR SINGLE MODE
OPTICAL FIBER (Depending on Model)
BLACK
BLACK WITH WHITE STRIPE
Power Supply:
Surface Mount: 8–15 VDC @ 150mA
Rack Mount: From Rack
NOTE: Remove Electrical Connector
for Rack Mount Units
FIGURE 2 – FDC80 TRANSMITTER FIGURE 3 – FDC80 RECEIVER
REAR PANEL REAR PANELFRONT PANEL FRONT PANEL
TECH SUPPORT: 1.888.678.9427
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INSTALLATION AND OPERATION MANUAL FDC80
FIGURE 4 – FDC80 RS-485
RS485 2 Wire
BLACK
BLACK WITH WHITE STRIPE
Power Supply:
Surface Mount: 8–15 VDC @ 150mA
Rack Mount: From Rack
NOTE: Remove Electrical Connector
for Rack Mount Units
FIGURE 5 – FDC80 RS-485 TRANSMITTER FIGURE 6 – FDC80 RS-485 RECEIVER
REAR PANEL REAR PANELFRONT PANEL FRONT PANEL
TECH SUPPORT: 1.888.678.9427
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