Input Circuit - Epson RC700 Manual

2. Hardware

2.3.2 Input Circuit

ORG(Origin, NORG(Near-to-origin), DEND(Detection-end), ALM(Alarm)
The DEND terminal must be left disconnected if a stepper motor is used.
The input logic of the Alarm signal can be changed in the software.
CWLM(CW Limit), CCWLM(CCW Limit)
ZORG (Encoder Phase -Z) Signal
+5V
26C32
equivalent
This terminal must be connected when an Encoder Z Phase signal is used as the origin
signal.
10
EXTV
ORG, NORG, DEND, ALM
6.8kΩ
Board
EXTV
6.8kΩ
CWLM / CCWLM
Board
+ZORG
220 Ω
-ZORG
+5V
Board
ON
OFF : 0.8mA or under
ON
OFF : 0.8mA or under
+24V
External power supply
Censor
The CWLIM and CCWLIM limit switches must be
normally closed. The ORG and NORG switches must
be normally open.
Connect to Line driver RS422 Conforming
Drive
RC700 / RC90 option PG motion system Rev.2
: 2.5mA or over
+24V
External power supply
Drive
: 2.5mA or over
26C31
equivalent