EPA SM-Ethernet, Руководство пользователя

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SM-Ethernet User Guide
39
Issue: 7
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The individual bit functions for the drive control word are shown in Table 6.6 below.
Speed reference ( SpeedRef )
The speed reference word utilises 2 bytes (16 bits) as shown below.
For more information on the setting of the speed reference see section 6.7.26 AC/DC
Drive object on page 62.
6.7.15 Extended speed control
Output assembly object 0x15 (21
10
)
The PLC or scanner must be configured for 4 output bytes (or 2 output words) if this
assembly object is to be used.
For the drive to run at the speed specified in Word 1, Pr 6.43 must be ON and bit 0, bit
7 and bit 8 of the drive control word (Pr 6.42 ) must all be set to 1 and the external
hardware enable signal must be present.
Table 6.6 Drive control word bit functions
Bit Function Equivalent parameter
0 Drive enable. Pr 6.15
1 Run forward. Pr 6.30
2 Jog forward. Pr 6.31
3 Run reverse. Pr 6.32
4 Forward/reverse. Pr 6.33
5 Run. Pr 6.34
6 Not stop. Pr 6.39
7 Auto/manual. N/A
8 Analog/preset reference. Pr 1.42
9 Jog reverse. Pr 6.37
10 Reserved. N/A
11 Reserved. N/A
12 Trip drive. N/A
13 Reserved. Pr 10.33
14 Keypad watchdog. N/A
b15 b14 b13 b12 b11 b10 b9 b8
SpeedRef (high byte)
b7 b6 b5 b4 b3 b2 b1 b0
SpeedRef (low byte)
NOTE
Table 6.7 Extended speed control
Data word Function
Word 0 Extended control word.
Word 1 Speed reference ( SpeedRef ).