3 Control interfaces
52 Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
3.2.4 Digital input signals
The digital input signals are permanently assigned to the digital inputs (DIN0…13). The function is de-
pendent on the selected operating mode/mode o f the control interface “digital inputs/outputs”
page 50.
Signal Description Signal
General operating signals
Enable Power
(DIN4)
[X1.21]/[X1.1.21/X1.2.21]
– High signal for release of the output stage (motor
energised) page 101.
– Low signal for immediate blocking of the output stage
• The category 0 S TOP function, E N 60204-1 c an be
realised in combination with an external safety
switching device description “Safety
func tion S TO”,
– GDCP-CMMS-AS-G2-S1-...
– GDCP-CMMS-ST-G2-S1-...
– GDCP-CMMD-A S -S1-....
• Functional timing diagram of the input
page 107.
high
active
Enable Control
(DIN5)
[X1.9]/[X1.1.9/X1.2.9]
– High signal for release of the controller page 101.
– Low signal for blocking the controller enable function;
results in controlled braking of the motor
• The category 1 S TOP function, E N 60204-1 c an be
realised in combination with an external safety
switching device description “Safety
func tion S TO”,
– GDCP-CMMS-AS-G2-S1-...
– GDCP-CMMS-ST-G2-S1-...
– GDCP-CMMD-A S -S1-....
• Functional timing diagram of the input
page 108.
– Low signal for ac knowledgement of error messages
page 214.
high
active
Stop
(DIN13)
[X1.15]/[X1.1.15/X1.2.15]
Low signal for controlled stopping of the current
movement
• The category 2 S TOP function, E N 60204-1 c an be
realised in combination with an external safety
switching device for standstill monitoring.
• Functional timing diagram for
– Individual record operation page 123
– Record linking operation page 141
– Homing mode page 159
low active
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