OPTO 22 SNAP-PAC-R1 User Manual page 89

storing data, 50
updating firmware from card, 55
updating strategy, 59
minimum value, 40
Modbus/TCP, 24
modem, 12
connecting to controller, 13
using PPP, 12
mounting racks, 3
installing, 8
N
network
architecture, 26
architecture diagrams, 29
certification, 70
Ethernet errors, 69
independent, 28
modem communication, 28
OptoEnetSniff, 70
segmented, 27
troubleshooting, 69
wireless LAN, 29
NVRAM, 13
O
offset, 40
OPC, 5, 24
Opto 22 Product Support, 6
OptoEnetSniff, 70
output clamping, 40
P
PAC Control, 21, 59
PAC Display, 22
PAC Manager, 5
peer-to-peer communication, 22
PID loops, 41
ping, 67
point-to-point protocol, 28
power supply
current loop, 78
determining requirements, 77
wiring, 76
PPP, 28
configuring, 12
LED, 64, 65
Product Support, 6
programming, 3
Q
quadrature counters, 39
quick start, 7
R
rack for I/O modules, installing, 8
removable storage, 48
removing I/O modules, 9
replacing controller, 52
RESET button, 46, 70
restore default settings, 46
retransmit timeout (RTO), 70
RS-232 port, 35
S
scaling, 40
Scratch Pad areas, 23
sdcard0, 50
serial communication, 41
serial port, 35
SMTP, 24
SNMP, 24
software, 3
installing, 7
specifications, 33
STAT LED, 63
status conditions (blink codes), 63
straight-through cable, 26
strategy, 21, 59
disabling/enabling microSD updates, 62
system architecture, 26
T
TCP/IP
multiple sessions, 18
SNAP PAC Brains User's Guide
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