59
DICTATOR Technik GmbH · +49 (0)821 246730 · [email protected] · www.dictator.de · 22.06.22
Technical manual: SQUARE 940-2
9.3 INPUT
Face plate
X1.1 to X1.4
Safety edge connection
Performance level d, category 2 X1.2 and
X1.4
X1.5 to X1.10
Incremental encoder and
reference connection
Performance level d, category 2 Emergency
Stop input must be supplied from X5.6 to
X5.10 to enable self test
X2.1 to X2.5
(X2 A)
General purpose inputs
12 to 24 V tolerable
X2.6 to X2.10
(X2 B)
RS485 communications
Terminated with 120 Ω
X3.1 to X3.10
Photocell connection
X3.4 and X3.6 Performance level d,
category 2 NPN1 is used for testing light
curtain.
NPN output max. ratings:
Open collector max. 30 VDC, 50 mA non-
inductive
X4.1 to X4.10
General purpose inputs
12 to 24 V tolerable