Watlow CPC400 Bedienungsanleitung Seite 219

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Seitenansicht 218
CPC400 Series User’s Guide Index
Doc. 0600-2900-2000 Watlow Anafaze 205
loops
autotuning, see autotuning
closed-loop control
57–62
display information 50
number available 172
tuning 85–87
low deviation alarm, see process alarms
Low power alarm
53, 145
M
man message on loop display 50
manual mode
during a failed sensor alarm
119
during a mode override 119
during a thermocouple open alarm 120
if ambient temperature is out of range 137
Mode parameter 92
setting 55
manual reset 112
manual tuning 85
menus
accessing
56
Alarms 121–125
Cascade 127–128
Channel 109
Control 111–115
Global setup 96–103
I/O tests 131–132
Input 104–109
map of 95, 216
navigating 56
Output 116–121
PV retrans 125–126
Ratio 128–130
Soft Booleans 131
Soft integers 130
message framing 185
messages, counting 192
Modbus 183–194
address field 186
addresses 96–137
ASCII and RTU modes 185
CRC checking 189
data field 187
error checking 188–190
error checking field 187
field format 188
function field 186
functions, see Modbus functions
message framing
185
parity checking 188
query and response 183–184
read examples 193
write examples 194
Modbus functions 190–193
diagnostics 191
clear counters 192
force listen-only mode 192
restart communications 191
return bus communication error count 192
return bus exception error count 192
return bus message count 192
return diagnostics register 191
return query data 191
return slave message count 192
return slave no-response count 192
force multiple coils 192
force single coil 191
preset multiple registers 193
preset single register 191
read coil status 190
read holding registers 190
read input registers 190
read input status 190
Mode outputs disabled 55
mode override
Mode override D/I active parameter
99
Mode override parameter 99
percent output power 119
Mode parameter 55
model number
accessing through the display
103
description of 5–6
mounting, see installation
N
noise
eliminating problems with
22
isolation 22
reducing with zero-cross switching 89
suppression 21
symptoms 21
O
on/off control
control signal
88
description 82
selecting 116
Open T/C cl out average parameter 64, 120
Open T/C ht out average parameter 64, 120
Output menu 116–121
output power
changing
55
on loop display 50
outputs
5 Vdc output power
175
alarm, see alarms
analog, see Dual DAC or Serial DAC
boost output
66
control, see control outputs
CPU watchdog timer, see CPU watchdog timer
digital, see digital outputs
filter
113
on/off status through communications 190
process variable retransmit, see process variable
retransmit
reference voltage, see reference voltage
solid state relays
34
specifications 174–176
wiring, see installation
Overshoot Reduction parameter
115
over-temperature shutdown devices 9
P
panel, see installation
parameters
alarm
121–125
cascade control 127–128
Seitenansicht 218
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