Components - Omron DeviceNet CV Series Operation Manual

RS-232C Units
6-2-4

Components

Indicators
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Item
Flow control Enable/Disable (RS/CS control only)
Flow Control Enabled
The RS (Request Send) signal is normally ON, but it turns
OFF when the receive buffer reaches 75% of capacity. CS
is always checked.
Flow Control Disabled
The RS (Request Send) signal is always ON. The Receive
Buffer Overflow Flag turns ON if the receive buffer over-
flows. CS is always checked.
Note: The CS signal is always checked. Data will not be
output if CS is not connected. Short-circuit the RS-CS sig-
nals when they are not used.
Transmission distance 15 m max.
Indicators
Power supply
terminal
Communications connector
The indicators display the status of the RS-232C Unit and the network.
Indicator Color
MS Green ON
(Module
Flashing Settings
status)
Red ON
Flashing Non-fatal
--- OFF
Specification
RS-232C
connector
port 1
RS-232C connector port 2
(Refer to page 260.)
DIP switch
Pins 1 to 6: Node address
Pins 7 and 8: Baud rate
Pins 9 and 10: Reserved (Always OFF)
Status
Normal The Unit is operating normally.
Settings are being read.
incomplete
Fatal error A fatal error (hardware error) has
occurred.
A non-fatal error, such as a switch
error setting error, has occurred.
No power Unit error, power is not being sup-
supply plied, the Unit is being reset, or wait-
ing for initial processing to start.
Section 6-2
Meaning
263