Owner's manual

4. Commissioning
4−32
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
1. Step: Enable CMAX
In the first step, CMAX must be prepared for direct mode:
Allocation of the control bytes (step 1)
Bit B7 B6 B5 B4 B3 B2 B1 B0
CCON
OPM2 OPM1 LOCK  RESET BRAKE ST OP ENAB L E
Byte 1
0 1 0 0 0 1/0 1 1
CPOS
 CLEAR TEACH JOGN JOGP HOM ST ART HOLD
Byte 2
0 0 0 0 0 0 0 0
CDIR
 FAST XLIM VLIM CONT COM2 COM1 ABS
Byte 3
0 1 0 0 0 0 0 0
Secondary
setpoint
Byte 4: Setpoint value of the speed: in percentage of the specified value Speed in direct
mode" (PNU540): not yet relevant.
Primary
setpoint
Byte 5 ... 8: Setpoint value of the position or force in the configured system of units:
not yet relevant.
CMAX acknowledgement: Check the ready status in the
status byte. There must be no malfunction. There should be
no warning. SPOS.ACK must be 0.
Allocation of the status bytes (step 1)
Bit B7 B6 B5 B4 B3 B2 B1 B0
SCON
OPM2 OPM1 FCT_MMI 24VL FAUL T WARN OPEN EN AB LED
Byte 1
0 1 0 1 0 x (0) 1 1
SPOS
REF STILL DEV MO V TEA CH MC ACK HOLD
Byte 2
1 x x x x x 0 0
SDIR
 FAST XLIM VLIM CONT COM2 COM1 ABS
Byte 3
x x x x x x x x
Secondary
actual
value
Byte 4: Acknowledgement of the actual value of the speed in percentage of the set value
Speed in direct mode" (PNU540).
Primary
actual
value
Byte 5 ... 8: Acknowledgement of the actual value of the position or force in the
configured system of units.