27
V01 05/2016 1003370
Bez.
Kl.
Specification
P.-Trennung
STO „Safe Torque Off“
X4
ISDSH
(STO)
X4/22
• „Request STO“ input = Low level
• OSSD-capable
• Switching level Low/High: <4,8 V / >18 V
• U
IN max
= +24 V DC +20 %
• I
IN
bei +24 V DC = typ. 3 mA
yes
RSH
RSH
X4/11
X4/12
Diagnose STO, both tripping channels active, one
NO contact with automatically resetting circuit-
breaker (polyswitch)
• 25 V / 200 mA AC, cos
φ
= 1
• 30 V / 200 mA DC
X4/12
X4/11
yes
Relay outputs
REL
X4/23
X4/24
Relay, 1 NO contact
• 25 V / 1,0 A AC, cos
φ
= 1 (AC1)
• 30 V / 1,0 A DC
• Switching delay approx. 10 ms
• Cycle time 1 ms
X4/23
X4/24
Auxiliary voltage
+24 V
X4/2
X4/14
• Auxiliary voltage output (U
H
) to feed the digital control inputs
• U
H
= U
V
-∆U (∆U typically approx. 1,2 V), no destruction in case of
short circuit (+24 V -> DGND), but device may briefly shut down.
• I
max
= 80 mA (per pin) with self-resetting circuit-breaker
(polyswitch)
yes
Digital ground
DGND
X4/1
X4/13
Reference ground for +24 V DC
yes
REL
←
24
12
→
RSH
REL
→
23
11
←
RSH
ISDSH
→
22
10
←
ENP0
ISD06
→
21
9
→
OSD02
ISD05
→
20
8
→
OSD01
ISD04
→
19
7
→
OSD00
ISD03
→
18
6
←
ISA1–
ISD02
→
17
5
←
ISA1+
ISD01
→
16
4
←
ISA0–
ISD00
→
15
3
←
ISA0+
+24 V
↔
14
2
↔
+24 V
DGND
↔
13
1
↔
DGNG
Table 27.1 Specification of control connections X4