Installation manual
Publication 1747-RM001G-EN-P - November 2008
Programming Instruction References D-7
CTD Count Down counter direct C none
preset -32,768 to 32,767
accum -32,768 to 32,767
CTU Count Up counter direct C none
preset -32,768 to 32,767
accum -32,768 to 32,767
DCD Decode 4 to 1 of 16 source direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
A, ST, M
none
destination direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
A, ST, M
none
DDV Double Divide source direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
A, ST, M
-32,768 to 32,767
destination direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
A, ST, M
none
DDT Diagnostic Detect control direct R
source “file” index direct I, O, S, B, N, A
reference “file” index direct I, O, S, B, N, A
result “file” index direct I, O, S, B, N, A
DEG
(2)
Radians to Degrees source direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
F, A, ST, M
-32,768 to 32,767
f-min to f-max
destination direct, indexed direct
indirect, indexed indirect
O, I, S, B, T, C, R, N,
F, A, ST, M
none
DEM DeviceNet Explicit
Message
control block direct N none
control block
length
70
1747-SDN slot 0 to 30
size of send data
(bytes)
0 to 52
message timeout
(x1 sec)
0 to 255
DeviceNet
address
0 to 63
service
service code (hex) 1 to 7F
class (hex) 0 to FF
instance (hex) 0 to FFFF
attribute (hex) 0 to FF
Table D.3 Available Addressing Modes (Continued)
Instruction Description Instruction
Parameter
Valid Addressing
Mode(s)
Valid File Types Immediate
Values