Link Relay (B) - Mitsubishi Q00JCPU User Manual

9
DEVICE EXPLANATION

9.2.7 Link relay (B)

(1) Definition
(2) Number of used N/O and N/C contacts
9
9.2 Internal User Devices
- 21
9.2.7 Link relay (B)
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
Diagram 9.18 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
Diagram 9.19 Link Relay
Link relay
Link refresh
setting range