4
OPEN B
OPEN A STOP
BUS
24Vdc 24Vdc
3W
24Vdc 24Vdc
3W
LAMP
LOCK
24Vdc
15W
12Vac
24Vdc
M1
M2
**
*
TX CL
RX OP/CLTX OP/CL
RX CL
TX
DL2
RX
DS1
DL2
DL1
DS1
BUS
ENGLISH
ELECTRICAL CONNECTIONS
Connection of traditional
safety devices and
photocells
Enable in
1
st
level programming
Use with motors without a
BUS-2EASY encoder
Max load 24Vdc - 500mA
Connection of a pair of closing photocells and a pair of ope-
ning/closing photocells with disabled FAIL-SAFE safety device
and STOP
CONNECTION OF TRADITIONAL SAFETY DEVICES
ADDRESSING THE BUS-2EASY PHOTOCELLS
Important: the same address must be given to both
transmitter and receiver.
Make sure that there are not two or more photocell pairs
with the same address.
If you are not using any BUS-2EASY accessory, leave
free connector BUS-2EASY
PHOTOCELLS BUS-2EASY
DL1 = Alignment
DL2 = BUS-2EASY/
power supply status
DS1 = Programming
dip-switches
Dip1 Dip2 Dip3 Dip4 Rif. Type
OFF OFF OFF OFF
B - C OPENING
OFF OFF OFF ON
OFF OFF ON OFF
OFF OFF ON ON
OFF ON ON OFF
OFFONONON
ON OFF OFF OFF
D CLOSING
ON OFF OFF ON
ON OFF ON OFF
ON OFF ON ON
ON ON OFF OFF
ON ON OFF ON
ON ON ON OFF
OFF ON OFF OFF
A
OPENING
and CLOSING
OFF ON OFF ON
ON ON ON ON / OPEN PULSE
The following table shows the programming operations of the dip-switch
inside the transmitter and the BUS 2-EASY photocells receiver.
With the E124 control unit, you can use both traditional
photocells (N.C. contact with relay) and/or photocells with
BUS-2EASY.
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