Festo CMMT-ST-C8-1C Series, Manual

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Festo — CMMT-ST-C8-1C-...-S0 — 2021-04b
Technical data
49
Electrical data, logic power supply [X9], pin 3
Logic efficiency [%] 82
Protective functions
–
Protection against polarity reversal
–
Overvoltage protection (from approx. 32 V)
–
Overcurrent protection input (4 A fuse, cannot be reset)
–
Overcurrent prot 24 V DC output [X1A] pin 1 and [X1C]
pin 1 (0.5 A fuse, can be reset, PTC)
Tab. 66: Logic supply
10.2.2 Power specifications, motor connection [X6]
Power specifications during operation
Nominal output current [A] 8
Tab. 67: Power specifications during operation
Any derating that may be necessary as a function of the ambient temperature è Fig. 15.
The CMMT-ST does not have any built-in electronic overload and overtemperature protection functions
for the motor. An I²t monitoring function can be parameterised for the motor current in order to protect
the motor, using the device-specific plug-in, for example.
Power unit temperature monitoring (parameterisable)
Warning [°C] 85
Shutdown [°C] > 95
Tab. 68: Temperature monitoring
Output of holding brake at [X6]
Design High-side switch
Max. continuous
output current [A] 1 (parameterisable holding current reduction)
Max. voltage drop from
+ 24 V input at con-
nection [X9] to brake
output at [X6] [V DC] 1
Protective functions Short-circuit and overload-protected
Tab. 69: Output of holding brake at [X6]
10.2.3 Encoder interfaces [X2]
Digital incremental encoder at [X2]
Parameterisable no. of
encoder pulses 1 … 262144 periods/revolution (18 bit)