25
EN
TX
RX
TX
RX
1 2 1 2 3 5
Yellow label (BUS)
3 4 3 4
X X
Check proper setting of the photocells:
- If the receiving photocell indicator does not
light up, adjust the position of the photocell
(RX) using a pad. Check once again.
- If the receiving photocell indicator emits
light continuously (proper setting), close
the shield of the receiving photocell (RX).
RX
TX
1 2
1 2 3 5
10
1 2
TX
7
1 2 3 5
RX
9
8
11
11a
11b
To check that the photocells are set properly, mount the shield of the transmitting
photocell but do not install the shield of the receiving photocell.