This section applies to the I/O module for operator’s panel.
Table 2.7.12 (a) Drawing numbers of the I/O modules for operator’s panel
I/O module A1 for operator’s panel A20B–2002–0470
I/O module B1 for operator’s panel A20B–2002–0520
I/O module B2 for operator’s panel A20B–2002–0521
The I/O module for operator’s panel contains a 24 VDC power input fuse.
If power is not supplied to the I/O module for operator’s panel, this fuse
may have blown. In such a case, remove the fuse from its socket, then
check its continuity using a multimeter. When the fuse has blown,
investigate the cause, take appropriate action, then replace the fuse.
Table 2.7.12 (b) Capacity and specification of the I/O module fuse for
I/O Module for