Omron SYSDRIVE 3G3RV Series User Manual

M
achine Protection
6
-
5
1
nOperation during Motor Overheating
Set the operation if the motor overheats in parameters L1-03 and L1-04. Set the motor temperature input filter
time parameter in L1-05. If the motor overheats, the OH3 and OH4 error codes will be displayed on the Digi-
tal Operator.
Error Codes If the Motor Overheats
By setting H3-09 (Multi-function Analog Input Terminal A2 Function Selection) to E (Motor temperature
input), you can detect alarm OH3 or OH4 using the PTC temperature-resistance characteristics, and protect the
motor. The terminal connections are shown in the following diagram.
Fig 6.41 Mutual Connections During Motor Overheating Protection
K
KK
K Limiting Motor Rotation Direction
If you set motor reverse rotation prohibited, a reverse run command will not be accepted even if it is input.
Use this setting for applications in which reverse motor rotation can cause problems (e.g., fans, pumps, etc.)
nRelated Parameters
*Can be set only for (-E)) model. Disabled for V/f with PG.
Error Code Details
OH3 Inverter stops or continues to operate, according to the setting in L1-03.
OH4 Inverter stops according to the setting in L1-04.
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
V/f
V/f
with
PG
Open
Loop
Vec-
tor
LCD Display
b1-04
Prohibition of reverse
operation
0: Reverse enabled
1: Reverse disabled
2: Switch phase order (reverse enabled)*
0 or 1
(0 to 2)*
0NoAAA
Reverse Oper
M3
M4
M6
M5
Inverter
Multi-function
contact input
Branch resistance
18 kΩ
PTC thermistor
Multi-function
contact output
Fault contact
output
Multi-function
PHC output
Note:The portion in dotted lines
can also be as follows:
Multi-
function
contact
outputs

Omron SYSDRIVE 3G3RV Series Specifications

General

Brand	Omron
Model	SYSDRIVE 3G3RV Series
Category	Inverter
Language	English