AB DF1 (Gen1)

6min

Review the following information for setting up and configuring the AB DF1 (Gen1) driver. 
Litmus Edge Compatible Series
Compatibility parameter
Compatible items
Driver type
Serial 
Validated devices/series
﻿MicroLogix
SLC 500﻿
Allen-Bradley DF1 drivers use CRC checksum.
To set up and configure this device in Litmus Edge, you will need to do the following:
Step 1: Set up and Configure the PLC Device
Step 2: Set up the PLC Device in Litmus Edge DeviceHub
Step 3: Configure the List of Registers
Step 1: Set up and Configure the PLC Device
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The setup shown here is for the Rockwell Automation Allen-Bradley DF1 (Gen1) PLC.
Refer to the following parameters. 
Communication Mode:
DF1 Full Duplex protocol 19200, None, 8, 1 (default)
Error Check: CRC
To configure your device: 
Note down the following information and refer to it as needed. 
Device: AB DF1 SLC 5/04
Communication I/F: RS232. Refer to the following figure.

AB DF1 reference
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Launch RSLinx Classic, and then click Configure Drivers.
Add an RS-232 DF1 devices driver and then click Configure.
Set up communication parameters, click Auto-Configure to test, and then click OK.
Communication parameters
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Launch RSLogix 500 V8.10.00, and then click Comms > System Comms.
Step 2: Set up the PLC Device in Litmus Edge DeviceHub
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Parameter
Value
Type
Allen Bradley
Driver
AB DF1 (Gen1)
Communication Port
Local Serial connection file path
Data Bits
8
Baud Rate
19200
Parity
Even, Odd, None
Stop Bits
1
Slot
0
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Name
Value Types
Access Types
Address Format
Min Address
Max Address
Description
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I
bit
R/W
DDDdd
0
25515
Input bit
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O
bit
R/W
DDDdd
0
25515
Output bit
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S
int
R/W
DDD
0
255
Status bit
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B3
bit
R/W
DDDdd
0
25515
Bit data file (B3)
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Bfn
bit
R/W
FFFDDDdd
10000
25525515
Bit data file
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T4.ACC
int
R/W
DDD
0
255
Timer Preset Value (T4)
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T4.PRE
int
R/W
DDD
0
255
Timer Accumulator Value (T4)
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Tfn.ACC
int
R/W
R/W
FFFDDD
1000
255255
Timer Accumulator Value
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Tfn.PRE
int
R/W
FFFDDD
1000
255255
Timer Preset Value
﻿
CS.ACC
int
R/W
DDD
0
255
Counter Accumulator Value (CS)
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CS.PRE
int
R/W
DDD
0
255
Counter Preset Value (CS)
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Cfn.ACC
int
R/W
FFFDDD
1000
255255
Counter Accumulator Value
﻿
Cfn.PRE
int
R/W
FFFDDD
1000
255255
Counter Preset Value
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R6
int
R/W
DDD
0
255
Control Register (R6)
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R6.POS
int
R/W
DDD
0
255
Control Register pointer position (R6)
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R6.LEN
int
R/W
DDD
0
255
Control Register pointer length (R6)
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Rfn
int
﻿
FFFDDD
0
255255
Control Rgister
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Rfn.POS
int
﻿
FFFDDD
0
255255
Control Register pointer position
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Rfn.LEN
int
﻿
FFFDDD
0
255255
Control Register pointer length
﻿
N7
int
﻿
DDD
0
255
Integer data file (N7)
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Nfn
int
﻿
FFFDDD
1000
255999
Integer data file
﻿
Lfn
int
﻿
FFFDDD
1000
255999
 
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F8
float
﻿
DDD
0
255
Floating point data file (F8)
﻿
Ffn
float
﻿
FFFDDD
1000
255999
Floating point data file
﻿
﻿
﻿

Compatibility parameter	Compatible items
Driver type	Serial
Validated devices/series	MicroLogix SLC 500 Allen-Bradley DF1 drivers use CRC checksum.

Parameter	Value
Type	Allen Bradley
Driver	AB DF1 (Gen1)
Communication Port	Local Serial connection file path
Data Bits	8
Baud Rate	19200
Parity	Even, Odd, None
Stop Bits	1
Slot	0

Name	Value Types	Access Types	Address Format	Min Address	Max Address	Description
I	bit	R/W	DDDdd	0	25515	Input bit
O	bit	R/W	DDDdd	0	25515	Output bit
S	int	R/W	DDD	0	255	Status bit
B3	bit	R/W	DDDdd	0	25515	Bit data file (B3)
Bfn	bit	R/W	FFFDDDdd	10000	25525515	Bit data file
T4.ACC	int	R/W	DDD	0	255	Timer Preset Value (T4)
T4.PRE	int	R/W	DDD	0	255	Timer Accumulator Value (T4)
Tfn.ACC	int	R/W R/W	FFFDDD	1000	255255	Timer Accumulator Value
Tfn.PRE	int	R/W	FFFDDD	1000	255255	Timer Preset Value
CS.ACC	int	R/W	DDD	0	255	Counter Accumulator Value (CS)
CS.PRE	int	R/W	DDD	0	255	Counter Preset Value (CS)
Cfn.ACC	int	R/W	FFFDDD	1000	255255	Counter Accumulator Value
Cfn.PRE	int	R/W	FFFDDD	1000	255255	Counter Preset Value
R6	int	R/W	DDD	0	255	Control Register (R6)
R6.POS	int	R/W	DDD	0	255	Control Register pointer position (R6)
R6.LEN	int	R/W	DDD	0	255	Control Register pointer length (R6)
Rfn	int		FFFDDD	0	255255	Control Rgister
Rfn.POS	int		FFFDDD	0	255255	Control Register pointer position
Rfn.LEN	int		FFFDDD	0	255255	Control Register pointer length
N7	int		DDD	0	255	Integer data file (N7)
Nfn	int		FFFDDD	1000	255999	Integer data file
Lfn	int		FFFDDD	1000	255999
F8	float		DDD	0	255	Floating point data file (F8)
Ffn	float		FFFDDD	1000	255999	Floating point data file

Updated 11 Sep 2024

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