SMC Networks EX250-SMJ2 Installation & Maintenance Manual page 2

EX250-TFI74GB-A
Names and Functions of Individual Parts. (continue)
LED indication
Rotary switch for
Station no. setting
LED
x10 x1
Rotary switch for
baud rate setting
Indication Contents
Light ON : Input and control power is ON.
PW
Light OFF: Input and control power is OFF.
Light ON : When power supply for solenoid valves is turned on.
PW (V)
Light OFF : When supply voltage decreases below 19V.
Light ON : Communication is normal.
L RUN
Light OFF: Communication terminated. (Time over error)
Light ON : Communication error.
Flashing : Assignment of station no. and baud rate are made
L ERR
during communication .(Flashing every 0.4 s)
Light OFF: Communication is normal.
"PW", "PW(V)", "L RUN" light while data link is normal.
Wiring
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.
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).
Voltage reduction of max. 1V
Si-SW power
23V DC
24V DC
SI unit Input Block
SW Setting
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.
Station No. Setting
Setting
STATION NO.
10
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.
Baud rate Setting
Setting
B RATE
0
1
2
3
4
: 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.
Communication connector (Bus adapter)
IN : M12 4pins(male)
OUT : M12 5pins (female)
Example of connected cable : CORRENS VA-4DSB CCG etc.
OUT IN
IN side
Pin No. Description Function
1 SLD Shield
2 DB Communication wire DB
3 DG Communication wire DG
4 DA Communication wire DA
OUT side
Pin No. Description Function
+
1 SLD Shield
Sensor
2 DB Communication wire DB
-
3 DG Communication wire DG
4 DA Communication wire DA
5 - Unused
Adjustment when shipped
B RATE
Setting range
0 to 6
0 to 9
Please refer the table below for setting at the time of shipment from the factory.
Set parameters
B RATE(baud rate)
10
STATION NO.
1
Baud rate
156 kpbs
625 kpbs
2.5 Mbps
5 Mbps
10 Mbps
Power supply connector
M12 5pins reverse (male)
Example of connected cable : P5032-66- etc.
Pin No. Description
3 2
1
2
3
4 4
1
5
STATION NO.
Setting of rotary switch contents
0 156kbps
0
-
0
Function
SV24V +24V for solenoid valve
SV0V 0V for solenoid valve
SW24V +24V for SI unit and Input Block
SW0V 0V for SI unit and Input Block
E Earth
Contact
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URL http://www.smcworld.com (Global) http://www.smceu.com (Europe)
Specifications are subject to change without prior notice from the manufacturer.
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