Expansion Unit; Isolation Unit; Backup Battery; Power Consumption - Pro-face GP-3400 Series Replacement Manualbook

2.4.3 Expansion Unit

GP-4401T is not equipped with an expansion unit interface. The expansion units
(each kind of unit like CC-LINK Unit) for GP-3400S cannot be used.
2.4.4 Isolation Unit (for GP-3400S only)
RS-485 isolation unit for GP-3400S series (CA3-ISO485-01) cannot be used for
GP-4401T. You can use RS-232C isolation unit (CA3-ISO232-01) for GP-4401T
instead.

2.5 Backup Battery

Unlike GP/ST-3400 series, GP-4401T does not use rechargeable secondary batteries
but replacable primary ones. (For both a rechargeable type and a replaceable one,
contents to be backed up are the same.)
When the time for replacement of backup batteries approaches, the message to urge
you to replace the battery, "RAAA053: Running out of power in the backup battery.
Please change the battery." appears. When the message appears, replace the battery
referring to the GP4000 series hardware manual.
Replaceable Battery Model
PFXZCBBT1

2.6 Power Consumption

The power consumption of GP/ST-3400 series is different from that of GP-4401T.
GP-3400S
28W or less
For the detailed electric specifications, see the hardware manual.
ST-3401T GP-4401T
22W or less 12W or less
12/40