Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 106

Block Transfer Write and Block Transfer Read Configurations for 2 Output/2 Input 1771-N Series Modules
D–2
Publication 1771ĆUM127B-EN-P - December 2002
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Word/Dec. Bit
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
Word/Octal Bit
18
High Scale Value
19
Low Alarm Value
20
High Alarm Value
21
Alarm
enable
Rate Alarm: Scaled Units per second
22
Filter Time Constant: 0.1 second units
Alarm Deadband
23
Thermocouple Type
0
RTD Type
10 Ohm Offset: 0.01 Ohm units
Channel 4 Programming
24
Low Scale Value
25
High Scale Value
26
Low Alarm Value
27
High Alarm Value
28
Alarm
enable
Rate Alarm: Scaled Units per second
29
Filter Time Constant: 0.1 second units
Alarm Deadband
30
Thermocouple Type
0
RTD Type
10 Ohm Offset: 0.01 Ohm units
31-58
Null
Block Transfer Write Bit/Word Descriptions for 2 Output/2 Input
Modules
Word
Decimal Bit
(Octal Bit)
Definition
00-03
Constant = 0
Bits 04-07
Number of outputs = 0010
Word 0
Bits 08-13
(10-15)
Constant = 00 1000
Bits 16-17
Block transfer write type = 10
Word 1
Bits 00-15
(00-17)
First Output channel data
Word 2
Bits 00-15
(00-17)
Second Output channel data