Watlow CPC400 - Manual (Page 216)

Index CPC400 Series User’s Guide
202 Watlow Anafaze Doc. 0600-2900-2000
parity 102
restarting 191
software problems 153
troubleshooting 152–153
wire sizes and lengths 21
see also EIA/TIA
computer, see communications
control algorithms
81–84
on/off 82
proportional (P) 82, 87
proportional with integral (PI) 83, 87
proportional, integral and derivative (PID) 84, 87
Control menu 111–115
control mode
as shown on display 50
changing 55
unexpected switch from automatic to manual 144
control outputs 88–90
action 118
control algorithms, see control algorithms
curve
120
cycle time 117
direct action 90, 118
distributed zero crossing 89, 116
Dual DAC, see Dual DAC
filter
89, 113
hysteresis 113
limit 118–119
on/off 88, 116
reverse action 90, 118
SCRs 34
Serial DAC, see Serial DAC
solid state relays
34
status on powerup 100
time proportioning 88, 116
troubleshooting 150
type 116
wiring 34
Control ratio parameter 129
Control Type parameter 115
controller
agency compliance 165
clearance 13, 167
connecting to TB50 26
dimensions 166
environment 165
input specifications 171–174
mounting 13
output specifications 174–176
specifications 165–168
troubleshooting, see troubleshooting
weight
166
Controller address parameter 101
Cool action parameter 118
Cool cycle time parameter 117
Cool derivative parameter 112
Cool filter parameter 113
Cool integral parameter 112
Cool manual reset parameter 112
cool message on loop display 50
Cool output curve parameter 120
Cool output parameter 55
Cool output retrans PV parameter 126
Cool output type parameter 116
cool output, see control outputs
Cool power limit parameter 118
Cool prop band parameter 111
Cool SDAC signal parameter 117
counters, clearing 192
CPU watchdog timer 35, 175
CRC checking 189
CS 103
C-UL, see agency compliance
current inputs
scaling resistors 30, 159
wiring 30
curve 120
cycle time 117
D
D/O alarm polarity parameter 67, 103
DAC, see Dual DAC or Serial DAC
data changed register
135
data field, Modbus 187
data logging 67–68
decimal placement 80
Declaration of Conformity 215
default settings, restoring 153
derivative
description 84
guidelines for setting 86–87
setting a value 112
settings from other controllers 86
term versus rate settings 86
deviation alarms, see process alarms
diagnostics functions
191
diagnostics register, reading contents of 191
differential control, see ratio control
digital inputs
mode override 99
remote job selection 97–98
restoring automatic control after sensor failure 114
specifications 174
technical information 36
testing 27, 131
troubleshooting 151
wiring 36
Digital inputs parameter 27, 131
digital outputs
polarity for alarms 103
specifications 175
testing 26, 132
troubleshooting 151
will not turn on 21
wiring 32–33
dimensions
controller 166
Dual DAC 19, 178–179
power supply 177
power supply bracket 18
Serial DAC 19, 181
TB50 168–171
direct action, see control outputs
Disp format parameter
106
display 50–53
control modes 50
does not work 143
job display 53
loop information 50