Toshiba GRL150-100 Series Instruction Manual page 36

176
UC1-A
1600
177
UC1-B
1601
178
UC1-C
1602
200
By PLC
A
UCDO
201
I ≥
B
0.04In 202
C
1568
1632
180
UC2-A
1604
181
UC2-A
1605
182
UC2-A
1606
By PLC
1569
1633
2.6.2 Setting
The table below shows the setting elements necessary for the undercurrent protection and their
setting ranges.
Element
UC1
TUC1
UC2
TUC2
[UC1EN]
[UC2EN]
(*) Current values shown in parenthesis are in the case of a 1 A rating. Other current values are in
S
UC1-A_DO
R
S
UC1-B_DO
R
S
UC1-C_DO
R
[UC1EN]
+
"ON"
UC1_BLOCK
1
UC1_INST_TP
S
UC2-A_DO
R
S
UC2-B_DO
R
S
UC2-C_DO
R
[UC2EN]
+
"ON"
UC2_BLOCK
1
UC2_INST_TP
Figure 2.6.1.2 Undercurrent Protection Scheme Logic
Range
0.5 – 10.0 A
(0.10 – 2.00 A)(*)
0.00 – 300.00 s
0.5 – 10.0 A
(0.10 – 2.00 A)
0.00 – 300.00 s
Off / On
Off / On
the case of a 5 A rating.
⎯ 35 ⎯
TUC1
t 0
&
0
t
&
t 0
&
0.00 - 300.00s
&
&
&
TUC2
0
t
&
0
t
&
t 0
&
0.00 - 300.00s
&
&
&
Step Default
0.1 A 1.0 A
(0.01 A) (0.20 A)
0.01 s 1.00 s
0.1 A 2.0 A
(0.01 A) (0.40 A)
0.01 s 1.00 s
Off
Off
6 F 2 S 0 8 2 8
309
≥1
≥ 1
310
≥1
311
≥1
313
≥1
≥ 1
314
≥1
315
≥1
In : Rated current
Remarks
UC1 threshold setting
UC1 definite time setting
UC2 threshold setting
UC2 definite time setting
UC1 Enable
UC2 Enable
308
UC1 TRIP
312
UC2_ALARM