Allen-Bradley Bulletin 1203 Series User Manual page 37

Data Table Structure
The Serial Communications Module provides the following data
table structures for DF1 and DH–485.
The following table is the drive control table (binary file).
File
Address
B3:0
B3:1
B3:2 Datalink A1 In (to Drive)
B3:3 Datalink A2 In (to Drive)
B3:4 Datalink B1 In (to Drive)
B3:5 Datalink B2 In (to Drive)
B3:6 Datalink C1 In (to Drive)
B3:7 Datalink C2 In (to Drive)
B3:8 Datalink D1 In (to Drive)
B3:9 Datalink D2 In (to Drive)
"
Note: If you write to B3:0 through B3:9, you will write data to the
drive. If you read from B3:0 through B3:9, you will return the data
being currently sent to the drive. If you read from B3:10 through
B3:19, you will read data from the drive. If you write to B3:10
through B3:19, you will receive an error.
The following table is the drive control table (integer file).
File Address
N41:0
N41:1
N41:2
N41:3
N41:4
N41:5
N41:6
N41:7
N41:8
N41:9
"
Note: If you write to any location in N41, you will write data to the
drive. If you read from any location in N41, you will read data from
the drive.
Configuring and Interfacing
File
Description
Address
Logic Command B3:10
Reference B3:11
B3:12
B3:13
B3:14
B3:15
B3:16
B3:17
B3:18
B3:19
Logic Command/Status
Reference/Feedback
4–3
Description
Logic Status
Feedback
Datalink A1 Out (from Drive)
Datalink A2 Out (from Drive)
Datalink B1 Out (from Drive)
Datalink B2 Out (from Drive)
Datalink C1 Out (from Drive)
Datalink C2 Out (from Drive)
Datalink D1 Out (from Drive)
Datalink D2 Out (from Drive)
Description
Datalink A1
Datalink A2
Datalink B1
Datalink B2
Datalink C1
Datalink C2
Datalink D1
Datalink D2
1203–5.5 September 1995