Sd Card; Fieldbus Settings And Bootloader - Festo CMMS-ST-C8-7 Mounting And Installation

5. Electrical installation
Pin Designation Value
1 A/CLK 5 V, Ri = 120 Ohm Increment generator signal A / stepping motor signal pulse / CW,
2 B/DIR 5 V, Ri = 120 Ohm Increment generator signal B / stepping motor signal direction,
3 N 5 V, Ri = 120 Ohm Increment generator zero pulse N, positive polarity acc. to RS422
4 GND -
5 VCC +5 V +-5%, 100 mA Auxiliary supply, max. load 100 mA, short-circuit proof
6 A-/CLK 5 V, Ri = 120 Ohm Increment generator signal A / stepping motor signal CLK,
7 B-/DIR 5 V, Ri = 120 Ohm Increment generator signal B / stepping motor signal DIR,
8 N- 5 V, Ri = 120 Ohm Increment generator zero pulse N, negative polarity acc. to RS422
9 GND -
Table 5.18 Pin allocation: Increment generator output / Pulse, direction input [X10]

5.4.8 SD card

The optional SC card is intended for downloading firmware or saving parameters.
The interface is allocated in accordance with the SD card specifications. Alternatively,
an MMC card can be used.

5.4.9 Fieldbus settings and bootloader

Festo P.BE-CMMS-ST-HW-EN 0708NH
Specification
positive polarity acc. to RS422
positive polarity acc. to RS422
Reference GND for the generator
negative polarity acc. to RS422 / CCW
negative polarity acc. to RS422
Screen for the connecting cable
Dip switches
1
2
3
4
5
6
7
8
9
10
11
12
Table 5.19 Assignment of the DIP switches
Meaning
Node number
Bootloader (If the switch is set to ON,
the system searches for new firmware
on the SD card)
Baud rate
Activation of the CAN interface
Terminating resistor
53