Index
H
heartbeat message, 34 housing, 19
I
ID code, 36
INTERBUS
bit packing, 39 cables, 21 connectors, 21 data exchange, 38 fieldbus interface, 20, 21 ID code, 36
inputs, 13
last device, 13, 21 network components, 13 network interface, 18 network length, 13 NIM limitations on, 15 node addressing, 15 nodes (maximum), 13 outputs, 13
physical layer, 14 ring, 13, 21 ring topology, 14 standards, 28 transmission media, 14
island bus communications, 11 fallback, 34 LEDs, 23
operational mode, 23, 33 overview, 10, 12 termination, 12
island bus example, 31
island bus sample assembly, 42
L
LED
physical description, 22 LEDs
and COMS states, 23 and reset, 23
BA, 23
ERR, 23 island bus, 23 PWR/UL, 22 RC, 23 RUN, 23 TEST, 23
logic power considerations, 11, 26, 27
integrated power supply, 11, 26, 27 signal, 26
source power supply, 11, 27
N
network connection, 20 network considerations, 11 network interface, 13
NIM
external features, 19 housing, 19
P
parameterization, 32 PDM, 26, 30, 31 physical features, 18
R
RST button
and
70