Block diagram
①
②
③
④
⑤
⑥
⑦
Figure 4-10
4.6.3
Technical specifications
Technical specifications of the BU type A1, light-colored version, with additional terminals
Article number
General information
Product type designation
Supply voltage
Rated value (DC)
external protection for power supply lines
BaseUnits (6ES7193-6BP.../3RK1908-0AP00...)
Manual, 02/2018, A5E03727049-AJ
Backplane bus
I/O module
Internal reference junction for temperature compensation
Terminals with connection to the I/O module
Additional terminals for feeding an additional supply voltage
System-integrated, self-assembling voltage buses P1, P2 with connection to the supply termi-
nals, interrupted to the adjacent module on the left (forms a new potential group)
System-integrated, self-assembling AUX voltage bus without connection to the AUX terminals,
interrupted to the adjacent module on the left (forms a new potential group)
Block diagram of the BU type A1, light-colored version, with additional terminals
6ES7193-6BP40-0DA1
Type A1
24 V
Yes; 24 V DC/10 A miniature circuit breaker with
type B or C tripping characteristic
4.6 BU type A1, light-colored version, with additional terminals
BaseUnits for I/O modules
41