Siemens SIMOCODE pro System Manual page 118

System description
Digital module (DM)
Digital modules allow the type and number of binary inputs and relay
outputs on basic unit 2 to be further increased, if required.
The following digital modules are available for basic unit 2:
4 inputs
4 inputs
4 inputs
4 inputs
Table 1-23: Versions of digital modules
A maximum of 2 digital modules can be connected to one basic unit 2. A
further 4 additional binary inputs and 2 additional binary outputs are
available. All versions can be combined with each other. SIMOCODE pro V
can thus be extended to a maximum of 12 binary inputs and
7 relay outputs.
In the case of the monostable version, the relay outputs open
after switching off/failure/interruption of the supply voltage. With the
bistable version, the switching state of the relay outputs remains intact
even after switching off/failure/interruption of the supply voltage.
If required, you can set a delay time for the digital module inputs (see
Chapter 7.4 "Digital module
Supplying the inputs: See
Note
To implement some motor control functions, a further digital module is
required in addition to the relay outputs on basic unit 2.
Note
If two digital modules are being used, the digital module connected the
closest to the basic unit via the system interface will be identified as digital
module 1. The digital module that follows behind will be identified as digital
module 2. If one digital module is connected to the front side and another to
the lower system interface of the basic unit, the digital module on the front
system interface of the basic unit will always be identified as digital
module 1.
1-100
Inputs
24 V DC, external
110 - 240 V AC/DC, external 2 monostable relay
24 V DC, external
110 - 240 V AC/DC, external 2 bistable relay outputs
inputs").
Chapter 13.3
Supply
2 monostable relay
outputs
outputs
2 bistable relay outputs
"Wiring".
GWA 4NEB 631 6050-22 DS 03
Outputs
SIMOCODE pro