Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 145
Block Transfer Write and Block Transfer Read Configurations for 4 Output/4 Input 1771-N Series Modules
H–3
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
49
Alarm
enable
Rate Alarm: Scaled Units per second
50
Filter Time Constant: 0.1 second units
Alarm Deadband
51
Thermocouple Type
0
RTD Type
10 Ohm Offset: 0.01 Ohm units
Channel 8 Programming
52
Low Scale Value
53
High Scale Value
54
Low Alarm Value
55
High Alarm Value
56
Alarm
enable
Rate Alarm: Scaled Units per second
57
Filter Time Constant: 0.1 second units
Alarm Deadband
58
Thermocouple Type
0
RTD Type
10 Ohm Offset: 0.01 Ohm units
Block Transfer Write Bit/Word Descriptions for 4 Output/4 Input
Modules
Word
Decimal Bit
(Octal Bit)
Definition
Bits 00-03
Constant = 0
Bits 04-07
Number of outputs = 0100 binary
Word 0
Bits 08-13
(10-15)
Constant = 00 1000 binary
Bits 14-15
(16-17)
Block transfer write type = 10 binary
Word 1
Bits 00-15
(00-17)
First Output channel data
Word 2
Bits 00-15
(00-17)
Second Output channel data
Word 3
Bits 00-15
(00-17)
Third Output channel data
Word 4
Bits 00-15
(00-17)
Fourth Output channel data