Mitsubishi Electronics 520 540 Air Conditioner User Manual


 
158
Communication parameters
2.15.2 Operation and speed command source (n8 , n9 )
The parameter numbers within parentheses are those for use of the parameter unit
(FR-PU04).
<Setting>
In the computer operation mode, commands from the external terminals and computer
are as listed below.
(Refer to page 109 for Pr. 60 to Pr. 63 (input terminal function selection).)
Used to make valid the run and speed commands from the computer or external
terminals.
Parameter Name
Factory
Setting
Setting
Range
Remarks
n8 (338)
Operation
command source
00, 1
Setting is enabled when Pr. 30 = "1"
n9 (339)
Speed
command source
00, 1
Operation
location
selection
n8 (Pr. 338) "operation
command source"
0:
Computer
0:
Computer
1:
External
1:
External
Remarks
n9 (Pr. 339) "speed
command source"
0:
Computer
1:
External
0:
Computer
1:
External
Fixed
function
(Terminal-
equivalent
function)
Forward rotation command
(STF)
Computer Computer External External
Computer link operation
frequency
Computer
Computer
2 External External
4
External External
Selection function
Pr. 60 to Pr. 63 settings
0
Low-speed run
command (RL)
Computer External Computer External Pr. 59 = "0"
1
Middle-speed run
command (RM)
Computer External Computer External Pr. 59 = "0"
2
High-speed run
command (RH)
Computer External Computer External Pr. 59 = "0"
3
Second function
selection (RT)
Computer Computer External External
4
Current input selection
(AU)
Combined Combined
5
Start self-holding
selection (STOP)
External External
6 Output stop (MRS) Combined Combined External External Pr. 79
"7"
7
External thermal relay
input (OH)
External External External External
8
15-speed selection
(REX)
Computer External Computer External Pr. 59 = "0"
9
Jog operation selection
(JOG)
External External
10 Reset (RES) External External External External
14
PID control valid
terminal (X14)
Computer External Computer External
16
PU-external operation
switch-over (X16)
External External External External
---
Reverse rotation
command (STR)
Computer Computer External External