Response
The normal response is an echo of the query, returned after the coil state has been forced.
Field Name
Example (HEX)
Slave address
01
Function
05
Coil Address HI
00
Coil Address LO
40
Data HI
FF
Data LO
00
Error Check (CRC)
-
5.5.3 Force/Write Multiple Coils (0F
HEX
)
Description
This function forces each coil in a sequence of coils to either ON or OFF. When broadcast the function forces the same coil references in all attached slaves.
Query
The query message specifies the coils 17 to 32 (speed set-point) to be forced. Coil addresses start at zero, i.e. coil 17 is addressed as 16.
Field Name
Example (HEX)
Slave address
01 (frequency converter address)
Function
0F (write multiple coil)
Coil Address HI
00
Coil Address LO
10 (coil address 17)
Quantity of coils HI
00
Quantity of coils LO
10 (16 coils)
Byte count
02
Force Data HI (coils 8-1)
20
Force Data LO (coils 10-9)
00 (ref. = 2000hex)
Error Check (CRC)
-
Response
The normal response returns the slave address, function code, starting address, and quantity of coils forced.
Field Name
Example (HEX)
Slave address
01 (frequency converter address)
Function
0F (write multiple coils)
Coil Address HI
00
Coil Address LO
10 (coil address 17)
Quantity of coils HI
00
Quantity of coils LO
10 (16 coils)
Error Check (CRC)
-
5.5.4 Read Holding Registers (03
HEX
)
Description
This function reads the content of holding registers in the slave.
Query
The query message specifies the starting register and quantity to be read. Register addresses start at zero, i.e. registers 1-4 are addressed as 0-3.
AF-60 LP™ Micro Drive Operating Instructions
34
DET-579A
5
Summary of Contents for AF-60 LP
Page 1: ...AF 60 LPTM Micro Drive Operating Instructions GE Consumer Industrial Electrical Distribution ...
Page 5: ...AF 60 LP Micro Drive Operating Instructions 4 DET 579A 1 ...
Page 27: ...AF 60 LP Micro Drive Operating Instructions 26 DET 579A 5 ...
Page 43: ...AF 60 LP Micro Drive Operating Instructions 42 DET 579A 6 ...
Page 44: ...6 Parameter Overview AF 60 LP Micro Drive Operating Instructions DET 579A 43 6 ...
Page 55: ...AF 60 LP Micro Drive Operating Instructions 54 DET 579A 7 ...
Page 56: ...7 Troubleshooting AF 60 LP Micro Drive Operating Instructions DET 579A 55 7 ...
Page 59: ...AF 60 LP Micro Drive Operating Instructions 58 DET 579A 8 ...
Page 71: ...W Warnings And Alarms 55 56 AF 60 LP Micro Drive Operating Instructions 70 DET 579A ...