Centralized I/O
Table 2-1 SIMOTION C with centralized I/O
Component Function
SIMOTION C ... is the motion control module. The SIMOTION C supplies the I/O bus
with 5 V; communicates over the I/O bus (backplane bus) with the I/O
modules.
You can use the integrated fast digital inputs of the SIMOTION C as:
● B1 to B4: As homing inputs (C230-2, C240)
● M1 and M2: As inputs for measuring inputs - local measuring
(C230‑2, C240)
● B1 to B4: As inputs for global measuring (C240, C240 PN)
● Freely addressable process inputs
You can use the integrated fast digital outputs as:
● Fast output cams
● Freely addressable process outputs
Drive units with a ±10 V analog interface or stepper drives with a pulse/
direction interface can be connected to the onboard drive interface
(C230-2, C240). With the C240, the analog interfaces can also be used
as available process outputs.
Incremental encoders or absolute encoders can be connected to the
measuring system interface (C230-2, C240). With the C240, free re‐
maining encoder inputs of an axis channel can be used as the input
for a 16-bit up/down counter.
Power supply (PS) ... converts the line voltage (120/230 V AC) into an operating voltage
of 24 V DC to supply the SIMOTION C.
Signal modules (SM) ... adapt various process signal levels to the SIMOTION C (digital input/
digital output modules and analog input/analog output modules).
Note:
All approved modules are listed in the
PM 21
Catalog and in chapter
I/O modules approved for SIMOTION (Page 21).
Function modules (FM) ... relieve the CPU of computation-intensive tasks, for example, count‐
ing.
Note:
All approved modules are listed in the
PM 21
Catalog and in chapter
I/O modules approved for SIMOTION (Page 21).
Communications processors
(CP)
... for data exchange
Note:
All approved modules are listed in the
PM 21
Catalog and in chapter
I/O modules approved for SIMOTION (Page 21).
Description
2.1 System overview
SIMOTION C
Operating Instructions, 11/2016, A5E33441428B 19
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