Yaskawa E7L Drive Bypass - Manual (Page 53)

Electrical Installation 2 - 21
RS-485/
422
TB4-1
Communication input
For 2-wire RS-485, short TB4-3 to TB4-1
and TB4-4 to TB4-2.
Differential input,
optical isolation TB4-2
TB4-3
Communication output
Differential input,
optical isolation TB4-4
PE Signal common - -
Table 2.15 Bypass Control Circuit Terminals (Continued)
Type No. Signal Name Function Signal Level