Link Relay (B) - Mitsubishi Q00JCPU User Manual

10
DEVICE EXPLANATION

10.2.7 Link relay (B)

(1) Definition
(2) Number of used N/O and N/C contacts
Link relays are CPU module side relays used when refreshing the link relay (LB) data
of the MELECNET/H network module, etc. to the CPU module or when refreshing the
CPU module data to the link relays (LB) of the MELECNET/H network module, etc.
CPU module
Link relay
B0
There are no restrictions on the number of contacts (N/O contacts, N/C contacts) used
in the program.
X0
B0
X1 B0
X2 B0
MELSECNET/H network module
LB0
Link refresh
Figure 10.18 Link refresh
No restrictions on the quantity used.
B0 switches ON at X0 OFF to ON.
SET B0
The link relay (B0) ON can only be used for
internal CPU module processing, and cannot be
output externally.
K20
T0
Y20
B0 ON/OFF information is output from the output
module to an external destination.
B100
B1FFF
Figure 10.19 Link Relay
10.2 Internal User Devices
10.2.7 Link relay (B)
Link relay
Link refresh
setting range
10
9
10
11
12
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