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Concept

Concept


Products: DO-FC-8
Functionalities: Hardware
Product version: 3.3, 2022, 2023, 2024, 7.0
10/7/2024

DO-FC-8 and DO-FC-8-H Central IO Modules

arrow1_rotationDigital outputs arrow1_rotationSpecifications

The DO-FC-8 and DO-FC-8-H Central IO modules are digital output, Form C relay, 8-channel I/O modules.

Note:

Module names with an -H indicate the presence of Hand-Off-Auto override switches.

Note:

The override switches on Central IO modules with manufacturing date earlier than 2021-W26 must be disabled to remove the risk of an improper output. For more information, see Important Information on Central IO Modules with Manufacturing Date Earlier Than 2021-W26 .

The front panel includes dedicated two-color (red and green) status LEDs for local monitoring of digital outputs. You can configure these LEDs to display either red or green for each output state.

 
action_zoom_plus_stroke DO-FC-8-H Central IO module
Figure: DO-FC-8-H Central IO module

Digital outputs

The Form C digital outputs of the DO-FC-8 and DO-FC-8-H Central IO modules are switching contacts with one common terminal (C), one normally open terminal (NO), and one normally closed terminal (NC). The terminals are isolated from signal ground.

 
action_zoom_plus_stroke Form C digital output internal configuration
Figure: Form C digital output internal configuration

The I/O bus in the terminal base provides the Central IO module with power and an address.

The address value in the I/O bus is increased by one for each terminal base. The I/O bus also enables RS-485 communication between the Central IO module and the automation server.

Specifications

Output channels
8
DC input supply power
2.2 W
DC input supply voltage
24 VDC
Environment
Ambient temperature, operating
0 to 50 °C (32 to 122 °F)
Ambient temperature, storage
-20 to +70 °C (-4 to +158 °F)
Maximum humidity
95 % RH non-condensing
Material
Plastic flame rating
UL94-5VB
Enclosure
PC/ABS
Ingress protection rating
IP 20
Mechanical
Dimensions including terminal base
90 W x 114 H x 64 D mm (3.6 W x 4.5 H x 2.5 D in.)
 
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Weight including terminal base
0.332 kg (0.73 lb)
Weight excluding terminal base
0.209 kg (0.46 lb)
Terminal base
TB-IO-W1
Digital outputs
 
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Contact rating
250 VAC/30 VDC, 3 A, Pilot Duty (Power Factor 0.35)
Switch type
Form C Relay
  
Single Pole Double Throw
  
Normally Open or Normally Closed
Isolation contact to system ground
5000 VAC
Cycle life (Resistive load)
At least 100,000 cycles
Minimum pulse width
100 ms
LED polarity energized relay
On
LED polarity non-energized relay
Off
LED color
Green

See Also

  • Central IO Modules
  • Output Modules
  • Important Information on Central IO Modules with Manufacturing Date Earlier Than 2021-W26