Index
Series D8 User’s Guide
210
Watlow Anafaze
Doc. 0600-3120-2000
S
safety
external safety devices 8
output status on power up 9
symbols and signal words in this manual 2
Save Setup As Job 76, 125
scaling resistors
for current inputs 30, 173
for RTD inputs 30, 175
for thermistor inputs 175
for voltage inputs 30, 174
installing 172–176
scan 50, 51, 60
scanner 49, 50, 51, 52, 53, 54, 55, 57
SCSI cable 7, 8
clearance 14, 181
installing 25
Sensor Fail Cool Output 69, 142
and failed sensor alarm 93
mode override 127
reversed thermocouple detection 133
thermocouple short alarm 129
Sensor Fail Heat Output 69, 142
and failed sensor alarm 93
mode override 127
reversed thermocouple detection 133
thermocouple short alarm 129
sensor inputs
calibration offset 132
engineering units 132
failed sensor alarms 160
filte 135
specification 185
troubleshooting 166
wiring 27–30
Serial DAC
agency compliance 194
clock input 194
configuring output 176
configuring the controller outpu 139
dimensions 19, 193
environment 193
input specification 194
jumper positions 176
mounting 19
output specification 195
process variable retransmit 98
setup parameters 140
specification 193–195
weight 193
wiring 39–40
services 57, 61
Set Attribute Single 57
Set Point 68
set point
changing 84
on loop display 80
remote analog set point 107–109
using cascade control to set 100–104
using differential control to set 106–107
using ratio control to set 104–109
Set Points 64
setting up a process input 88
shutdown devices 8
solid-state relays
5 Vdc power from controller 188
distributed zero crossing 119
troubleshooting controller connections 168
specification 179–195
controller inputs 185–187
controller outputs 187–188
Dual DAC 191–192
power supply 189–190
Serial DAC 193–195
TB50 181–184
spread, see hysteresis
system alarms
behavior of 160
messages 82, 83
troubleshooting 163–166
T
T/C open alarm message 82
T/C reversed alarm message 82
T/C shorted alarm message 82
TB18
alarm outputs 33, 34
connections 36
CPU watchdog timer output 34
digital output wiring 32
testing after installation 26
troubleshooting 168
TB50 183
alarm outputs 33, 34
connections 25, 37
CPU watchdog timer output 34
digital inputs 35
digital output wiring 32
dimensions 181–184
mounting on DIN rail 16
mounting with standoffs 17
specification 181–184
technical description 8
terminal specification 182
testing after installation 26
troubleshooting 168
weight 181
temperature
incorrect on display 161, 166
operating 179, 189, 191, 193
storage 179, 189, 191, 193
temperature scale 132
terminal specification
TB50 182
Test D/O parameter 153
testing
TB18 after installation 26
TB50 after installation 26
see also troubleshooting
The 191
thermistor inputs, scaling resistors for 175
Thermocouple Short Alarm 76, 94, 129
thermocouples
accuracy 186
alarm messages 82
calibration offset 132
ground loops 29
manual mode if break occurs 142
polarity checking 133
range 186
resolution 186
reversed detection 133
troubleshooting 167
types supported 131
wiring 29
thermoforming example 107
tie wraps 31
time proportioning 139
cycle time 140
description 118
TO alarm code 82
torque, see terminal specification
