Rockwell Automation 1747-DCM,D17476.8 Direct Communication Module - Manual (Page 73)

Direct Communication Module
Index
User Manual
I–1
Numbers
1/2 rack, 2–3, 4–6
1/4 rack, 2–3, 4–6
3/4 rack, 2–3, 4–6
A
adapter, 1–4
extended node capability, 1–4
interaction with scanners, 1–2
on RIO link as slave device, 1–2
adapter image, 1–4
addressing ladder logic instructions, 3–1
PLC addresses, 3–2
SLC addresses, 3–3
addressing worksheet directions, B–1
Allen-Bradley, P–4
contacting for assistance, P–4
application examples
basic DCM, 8–1
programming, 6–2
supplementary DCM, 8–4
using status word bits, 6–7
applications using status word bits, 6–7
Data Invalid bit in the SLC Status Word,
6–7
Logical OR bit, 6–10
Program/Test/Fault Mode bit in the RIO
scanner status word, 6–7
User Status Flag bit in the SLC Status
Word, 6–8
available scanners, 2–2
B
backplane current consumption, A–1
basic DCM application example, 8–1
baud rate
resistor, 2–4
specifications, 2–4, 5–3, A–1
Belden 9463 cable, maximum distance, 2–4,
5–3, A–1
bit address, 3–2, 3–3
C
cable distance, maximum, 2–4, 5–3, A–1
cable tie slots, 1–1, 5–2
CE certification, 5–1
chassis slot
card guides, 5–2
Card Slot Filler, 5–2
Clear On Fault (SW2-3), 4–7
COMM LED, 1–1
Communication Error bit, 6–5
configuring the module, 4–1
contacting Allen-Bradley for assistance, P–4
contents of manual, P–2
D
Data Invalid bit, 6–7
Data Rate (SW2-1 and SW2-2), 4–7
DCM features, 1–1
hardware, 1–1
cable tie slots, 1–1
COMM LED, 1–1
DIP switches, 1–1
FAULT LED, 1–1
front, side and door labels, 1–1
self-locking tabs, 1–1
DCM Initialization bit, 6–5
DCM installation and wiring, 5–1
DCM Output Data Invalid bit, 6–6
DCM overview, 1–1
DCM status word bit examination (decimal)
DCM output data invalid bit, 6–6
User Status Flag, 6–6
definitions, P–3
determining maximum throughput time, A–2
DIP switches, 1–1, 4–1
switch 1 settings, 4–2
I/O Group (SW1-7 and SW1-8), 4–2
Rack Addresses (SW1-1 through
SW1-6), 4–3
switch 2 settings, 4–6
Clear On Fault (SW2-3), 4–7
Data Rate (SW2-1 and SW2-2), 4–7
Last Rack (SW2-4), 4–6
Module Rack Size (SW2-5 and SW2-6),
4–6
door label, 1–1