SW Setting
Wiring
Names and Functions of Individual Parts. (continue)
x10
x1
Indication
Contents
PW
Light ON : Input and control power is ON.
Light OFF: Input and control power is OFF.
PW (V)
Light ON : When power supply for solenoid valves is turned on.
Light OFF : When supply voltage decreases below 19V.
IN : M12 4pins(male)
OUT : M12 5pins (female)
Example of connected cable : CORRENS VA-4DSB
∗
CCG etc.
Pin No.
Description
Function
1
SLD
Shield
2
DB
Communication wire DB
3
DG
Communication wire DG
4
DA
Communication wire DA
SW Setting
The Station No. and Baud rate are set by the rotary switch inside of the
SI unit cover.
Set parameters while the power of SI unit is off.
LED indication
L RUN
Light ON : Communication is normal.
Light OFF: Communication terminated. (Time over error)
L ERR
Light ON : Communication error.
Flashing : Assignment of station no. and baud rate are made
during communication .(Flashing every 0.4 s)
Light OFF: Communication is normal.
Communication connector (Bus adapter)
Wiring power supply
The Power supply connection inside the unit has individual supplies
for solenoid valve actuation (SV power supply) and for Control parts
and Sensor (SI • SW power supply). Supply 24V DC for each of
them.
23V DC
+
-
Power for a sensor is supplied to the sensor connected to an input
Block.
There will be a voltage drop of up to approx. 1V inside the SI unit,
therefore select a sensor which will operate with the resultant
voltage.
If sensor requires 24V, it is necessary to lower power supply voltage
for sensor slightly or secure a power supply for sensor separately
without going through the SI unit so that sensor input voltage can
be 24V with actual loading (allowable voltage of power supply :
19.2V to 28.8 V).
IN side
Pin No.
Description
Function
1
SLD
Shield
Communication wire DB
Communication wire DG
2
DB
3
DG
4
DA
Communication wire DA
OUT side
5
-
Unused
M12 5pins reverse (male)
Example of connected cable : P5032-66-
∗
etc.
Power supply connector
3
2
1
4
5
Pin No. Description
Function
1
SV24V
+24V for solenoid valve
0V for solenoid valve
+24V for SI unit and Input Block
2
SV0V
3
SW24V
4
SW0V
0V for SI unit and Input Block
5
E
Earth
Station No. Setting
Setting
Setting range
10
0 to 6
0 to 9
1
∗
: Set stations within 01 to 63.
"L ERR" display lights if 00 and station 64
or larger is selected.
Turn off the power and select correct
station.
∗
: "L ERR" display blinks if the switch is
operated when the power is on.
Setting
Baud rate
0
156 kpbs
625 kpbs
1
∗
: Set baud rate within 0 to 4.
"L ERR" display lights if the setting is out
of 0 to 4.
Set correct value after cutting the power
supply.
∗
: "L ERR" display blinks if the switch is
operated when the power is on.
∗
: Select baud rate the same as master
station.
2.5 Mbps
2
10 Mbps
4
5 Mbps
3
Adjustment when shipped
Setting of rotary switch
contents
0
156kbps
-
0
Please refer the table below for setting at the time of shipment from the factory.
Baud rate Setting
Set parameters
B RATE(baud rate)
10
1
STATION NO.
0
"PW", "PW(V)", "L RUN" light while data link is normal.
EX250-TFI74GB-A
Rotary switch for
baud rate setting
Rotary switch for
Station no. setting
LED
Voltage reduction of max. 1V
SI unit
Input Block
Sensor
Si-SW power
24V DC
STATION NO.
B RATE
STATION NO.
B RATE
OUT
IN
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Specifications are subject to change without prior notice from the manufacturer.
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