Sony Digiruler PL21 Instruction Manual page 27

Output Specifications
Output cable
Use a shielded cable like the one shown in the illustration to
connect to the output connector. The other end of the
shielded cable must be connected to the detector body.
PL21/PL22/PL23
Cross section of the cable
PL22
A/B phase, Alarm or
Outer coating
up/down, Alarm
PL23
A/B phase,
Reference point alarm
Shield
• Use SN75115 (or equivalent)as receiving circuit.
• When the power is supplied through the output connector,
make sure that the voltage at the PL22/PL23 input terminal
is +5 V ±5%.
50 m/164' min or less. (See note below)
PL22/PL23
Twisted pair (28 AWG or thicker)
+5V
0V
Note
Shorten the output cable to improve noise immunity.
Connected
equipment
25