A&D Super Wash Down Scales SW-150KL - Manual (Page 36)

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13.3. OP-04 RS-422 / 485
This interface allows a personal computer to connect and control up to 16 scales.
‰
When OP-04 is installed, the dust-tight and water-tight performance of the scale will
be degraded.
‰ OP-04 unit includes an interface board, a connector cable (10 pins), two cable
glands and two screws (M3x8).
13.3.1. Installing OP-04
Terminal block
M4 screw (10 pcs)
Display rear cover
Cable glands
Interface board
M3x8 screws
Peel
Connector cable
Connect to
1.SDA
2.SDB
3.RDA
4.RDB
5.TRM
6.SG
7.SHLD
6 mm
(AWG 26~16)
1.SDA
2.SDB
3.RDA
4.RDB
5.TRM
6.SG
7.SHLD
an external device
other SW