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7-2
Section
Analog Output Units
128
The following diagram shows the functions of the DIP switch.
Operating specifications
Clear at minimum or clear at
maximum output setting
Output
range
ON
The following table summarizes the DIP switch settings. (All pins are factory-set
to OFF.)
Pin(s)
Function
Settings
Meaning
1 through 6
Output range
Output range settings (See below.)
7
Reserved for system use
OFF
Must be set to OFF.
8, 9
Clear at minimum or clear
at maximum output setting
(See below.)
8
9
Output
OFF OFF Clear at minimum
(see below)
OFF ON
Clear at maximum
(see below)
ON
OFF Clear at 0 V
(for --10 to 10 V)
Clear at minimum
(other than the above)
ON
ON
Hold
10
Reserved for system use
OFF
Set the output range, and
clear at minimum/maximum
outputs with pins 1 to 9.
(factory-set)
ON
Output range setting (see
note) by software.
Note
1. The feature of setting the Input range by software can not be used with
PRT1-COM.
2. Make sure the I/O Unit power supplies (including the I/O Unit interface
power supply) are OFF when setting the DIP switch.
3. With an Analog Output Unit, outputs for communications errors is enabled
using the switch on the Analog Output Unit. It does not depend on the
Communication Unit “hold/clear communications error” setting.
Output Range Settings
As shown in the following table, the DIP switch output range settings are for two
outputs each.
Pin 1
Pin 2
Pin 3
Output range settings for outputs 0 and 1
Pin 4
Pin 5
Pin 6
Output range settings for outputs 2 and 3
OFF
OFF
OFF
0 to 5 V (factory-set)
ON
OFF
OFF
1 to 5 V
OFF
ON
OFF
0 to 10 V
ON
ON
OFF
--10 to 10 V
Other than the above
Cannot be set
DIP Switch Settings