Siemens SIMATIC FM 353 - Page 69

Defining Parameters
5-17
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
MD11, MD12, MD13 check → results in MWFAKTOR (see above)
Permissible measured value factor range: 2
−14
< MWFAKTOR < 2
14
MD21, MD22 check
SEAKT MD8 Permissible software limit switches
0 − MD21 = −10
9
, MD22 = +10
9
1 0 MD21 ≥ −VFBABS
1
0
MD21 ≥ VFBABS
MD22 ≤ VFBABS
MD21 < MD22
1 0 ≤ MD21 < MD9
0 ≤ MD22 < MD9
MD21 ≠ MD22
MD28 check
Permissible velocity: 10 ≤ MD28 ≤ MD41MWFAKTOR60
MD29 check
Permissible velocity: 10 ≤ MD29 ≤ MD41MWFAKTOR60
MD34 check
Permissible:
BYTE0(MD34) ≠ BYTE1(MD34) ≠ BYTE2(MD34) ≠ BYTE3(MD34)
MD35 check
Permissible:
BYTE0(MD35)&0x7F ≠ BYTE1(MD35)&0x7F ≠ BYTE2(MD35)&0x7F ≠
BYTE3(MD35)&0x7F
MD38 check
MD38 Permissible increment number per current-sourcing cycle
0
≠ 0 MD38 ≥ 4
MD40 check
Permissible frequency: MD39 ≤ MD40 ≤ MD41
MD41 check
Permissible frequency: MD41 ≤ VMAX/MWFAKTOR/60
VMAX = 500 000 000 MSR/min see Section 10.1