7-2
Section
Analog Output Units
121
Components
PWR Indicator
Internal power being supplied: Lit green
No internal power supply:
Not lit
U.ERR Indicator
(Refer to page 163.)
Unit error:
Lit red
Unit normal: Not lit
DIN Track Mounting Hook
I/O Unit Interface
Communications Connector 1
(on the Communication Unit side)
TS Indicator
(Refer to page 162.)
Shows the communications status of the I/O Unit interface.
Normal communications: Lit green
I/O Unit interface error:
Lit red
During initialization, or with no power supply: Not lit
I/O Unit Interface
Communications Connector 2
(on the terminator side)
Terminal Block
DIP Switch
(Refer to page 121.)
On the left side of the Casette.
Pin 1 to 6:Output range
Pin 7:
Reserved for system use (OFF)
Pin 8, 9: Clear at minimum/maximum output
Pin 10:
Software setting enable/disable
Cassette
(Refer to page 166.)
Detach by pressing on the lower
part and pulling outwards.
The following diagram shows the functions of the DIP switch.
Operating specifications
•
Clear at minimum/maximum outputs
•
Software setting enable/disable
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.
DIP Switch Settings