Renishaw TONiC T20x1 REXM20 Installation Manual page 40

Recommended signal termination
Digital outputs
A B Z E +
Cable Z
0
A B Z E −
Standard RS422A line receiver circuitry
The capacitors are recommended for improved noise immunity
Initialisation status output
< 25 V
R
K
NOTE: Select the resistor R so that the maximum current does not exceed 20 mA.
Alternatively, use a suitable relay or opto-isolator.
40 TONiC REXM20 / REXT20 angle encoder system installation guide
™
0 V
Customer
220 pF
electronics
= 120R 120R
220 pF
0 V