Level A - Control Configuration - ABB COMMANDER 351 User Manual

...4 CONFIGURATION MODE
...4.6 Level A – Control Configuration
A. 0 9
OP2L
0
A. 1 0
OP. S r
OFF
A. . 1 1
Srd5
OFF
A. 1 2
M5r1
OFF
•1 Displayed only if reverse-reverse or direct-direct control actions are selected.
•2 Digital inputs are active when a volt free contact is closed or a low TTL signal is applied.
56
•1
Output 2 (Cool) Low Limit – Heat/Cool Control
Limits the low level of control output 2 in automatic mode, when 'reverse-
reverse' or 'direct-direct' control action is selected in the Basic
Configuration level. If the control output is below this limit when automatic
mode is selected, the current output value becomes the low limit until the
value rises above the limit set.
[0 to 100%]
Output Slew Rate
The maximum rate of change of the control output (or both control
outputs for heat/cool).
[0.01 to 99.99% change per
second or 'OFF']
Note. The default slew rate setting is applied to both increasing and
decreasing output values. The slew rate setting can be applied to either
increasing values only or decreasing values only using the PC
Configurator.
Slew Rate Disable Source
The digital source required to disable slew rate control of the output.
See Rear Fold-out/ Table C –
Digital Sources.
Manual 1 Mode Selection Source
The digital source required to select manual mode and Configured
Output 1.
See Rear Fold-out/ Table C –
Digital Sources.
Continued...
+100%
OP2
OP1
OP2L
0
Slew rate disabled
Enabled Enabled
Manual with
output =
C. O P1
Auto
A.09...A.12
+100%
0
time
•2