App - 5 App - 5
MELSEC-Q
APPENDICES
Appendix 2 Differences Between the AJ71QLP21/AJ71QLP21G/AJ71QBR11, the
A1SJ71QLP21/A1SJ71QBR11 and the QJ71LP21/QJ71LP21-25/QJ71LP21G/
QJ71BR11
Appendix 2.1 Differences in LED displays and switch settings
The MELSECNET/H network modules QJ71LP21, QJ71LP21-25, QJ71LP21G and
QJ71BR11 have the same LED displays and switch settings as those of the
MELSECNET/10 network modules AJ71QLP21, AJ71QLP21G, AJ71QBR11,
A1SJ71QLP21, and A1SJ71QBR11. However, each network module has the following
differences from others as shown in Appendix Table 2. Please consider these
differences when operating the network modules.
Table 2 Difference of LED indications, switch setting and others
Model name
Item
QJ71LP21, QJ71LP21-25
QJ71LP21G, QJ71BR21
AJ71QLP21
AJ71QLP21G
AJ71QBR11 A1SJ71QLP21 A1SJ71QBR11
LED display
RUN RUN RUN
POWER (PW)
1
PC (PC)
1
REMOTE (REM.)
1
DUAL DUAL
MNG MNG, S.MNG MNG, S.MNG
T.PASS T.PASS T.PASS
D.LINK D.LINK D.LINK
SD SD SD
RD RD RD
ERR.
2
SW.E.
M/S.E.
PRM.E.
CPU R/W
(SW.E.)
1
(M/S.E.)
1
(PRM.E.)
1
CPU R/W
L ERR. 2
CRC
OVER
AB.IF
TIME
DATA
UNDER
LOOP
CRC
OVER
AB.IF
TIME
DATA
UNDER
CRC
OVER
AB.IF
TIME
DATA
UNDER
F.E. (R.E.)
1
CRC
OVER
AB.IF
TIME
DATA
UNDER
Network No. setting
switch
3
NETWORK NO.
100, 10, 1
NETWORK NO.
100, 10, 1
Group No. setting switch 3 GROUP NO. GR.NO.
Station number setting
switch
STATION NO.
10, 1
STATION NO.
10, 1
ST NO.
10, 1
Mode setting switch
MODE
0: Online
3
(parameters are valid)
1: Self-loopback test
2: Internal self-loopback test
3: Hardware test
4: Online
4
5: Self-loopback test
4
6: Internal self-loopback test
4
7: Hardware test
4
8: and up: Use prohibited
MODE
0: Online
1: Use prohibited
2: Offline (disconnected)
3: Forward loop test
4: Reverse loop test
5: Station-to-station test (master station)
6: Station-to-station test (host)
7: Self-loopback test
8: Internal self-loopback test
9: Hardware test
D: Network No. confirmation
E: Group No. confirmation
F: Station number confirmation
MODE
0: Online
1: Use prohibited
2: Offline (disconnected)
3: Forward loop test
4: Reverse loop test
5: Station-to-station test (master station)
6: Station-to-station test (host)
7: Self-loopback test
8: Internal self-loopback test
9: Hardware test
Display select switch DISPLAY L R
Condition setting switch 3
SW1
SW2
SW3
SW4, 5
SW6, 7
: PC REMOTE
: N.ST MNG
: PRM D.PRM
: STATION SIZE
: LB/LW SIZE
SW1
SW2
SW3
SW4, 5
SW6, 7
: PC REM
: N.ST MNG
: PRM D. PRM
: STATION SIZE
: LB/LW SIZE
Applicable CPU QCPU Q4ARCPU, QnACPU, Q2ASCPU Q2ASCPU
Applicable base Q3 B, Q6 B
A3 B, A5 B, A6 B,
A38HB, A37RHB, A3 RB, A68RB
A1S3 B, A1S5 B,
A1S6 B, A1S38HB
External dimensions
98 (3.86) (H) 27.4 (1.08) (W)
90 (3.54) (D) [mm (inch)]
AJ71QLP21, AJ71QLP21G:
250 (9.84) (H) 37.5 (1.48) (W) 111
(4.37) (D) [mm (inch)]
AJ71QBR11:
250 (9.84) (H) 37.5 (1.48) (W) 113
(4.45) (D) [mm (inch)]
A1SJ71QLP21:
130 (5.12) (H) 34.5 (1.36) (W) 93.6
(3.69) (D) [mm (inch)]
A1SJ71QBR11:
130 (5.12) (H) 34.5 (1.36) (W) 104.6
(4.12) (D) [mm (inch)]
Weight 0.11kg 0.45kg 0.3kg
1: The LED display is activated with the display selection switch.
2: The detailed contents of an error code can be checked by the network diagnostics.
3: Set with a network parameter.
4: Only possible with the QJ71LP21-25. Use with the QJ71LP21, QJ71LP21G and QJ71BR11 is prohibited.
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