Names And Functions Of Each Switch - Hitachi H Series Instruction Manual

Cpu link module
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1.2 Names and functions of each switch

No.
STATE (7-segment LED display)
1
SEND (SEND DATA)
2
3
ERR (ERROR)
4
REC (REC DATA)
5
STATION No.
6
RES (Reset switch)
CHECK
7
(Check mode select switch)
Detail of Display and switches
Name
In normal state: "000" is displayed.
On occurrence of an error: Error information is
displayed. (See Section 2.2 for details)
Indicates the status of sending data by blinking.
In normal state and while an error that permits
data linkage is present: Out
On occurrence of an error that disable data
linkage: Lit (See Section 2.2 for details)
Indicates the status of receiving data by blinking.
The link station number is determined by this
rotary switch. Setting of this switch becomes
valid when the power is ON or when the reset
switch is ON.
The setting range is 00 to 63. If 64 or larger
number is set, a station number out-of range
error (E8) will result.
Hardware reset is mode to the module when this
pushbutton switch is ON.
Note: Never press this switch during running.
The following check is made when this dip
switch is ON in the state where the reset switch
is ON or at the time of power ON.
However, the check by this switch cannot be
conducted during running.
Be sure to keep this switch in the OFF
position during normal running.
9
STATE
SEND REC ERR
STATION No.
ERR
RES
CLR
CHECK
DSP
ON
CHG
OFF
Function

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