Electrical Connection¶
The output module DO561 can be connected to the following devices via the I/O-Bus connector:
- S500 Bus Modules (e. g. CI592-CS31, CI501-PNIO, CI541-DP, CI581-CN)
- AC500 CPUs (PM5xx)
- other AC500 I/O Modules
Note
The DO561 must not be used as a remote expansion module at DC505-FBP and CI590-CS31-HA Bus Modules.
Note
Mounting, disassembling and electrical connection for the I/O Modules are described in detail in the S500 System Data S500 System Data, Overview.
The electrical connection is carried out by using a removable 9-pole and 11-pole Terminal Block. These terminal blocks differ in their connection system (spring terminals or screw-type terminals, cable mounting from the front or from the side). For more information, refer to the chapter Terminal Blocks for S500-eCo I/O Modules TA563-TA565 Terminal Blocks for AC500-eCo I/O Modules and AC500-eCo \ CPUs. The terminal blocks are not included in the module’s scope of delivery and must be ordered separately.
The following block diagram shows the internal construction of the digital outputs:
The assignment of the terminals:
| Terminals | Signal | Meaning |
|---|---|---|
| 10 | — | Reserved |
| 11 | O0 | Output signal O0 |
| 12 | O1 | Output signal O1 |
| 13 | O2 | Output signal O2 |
| 14 | O3 | Output signal O3 |
| 15 | O4 | Output signal O4 |
| 16 | O5 | Output signal O5 |
| 17 | O6 | Output signal O6 |
| 18 | O7 | Output signal O7 |
| 19 | UP | Process supply voltage UP +24 V DC |
| 20 | ZP | Process supply voltage ZP 0 V |
The internal power supply voltage for the module’s circuitry is carried out via the I/O-Bus (provided by a Bus Module or a CPU). Thus, the current consumption from 24 V DC power supply at the terminals L+/UP and M/ZP of the CPU/Bus Module increases by 10 mA per DO561.
The external power supply connection is carried out via the UP (+24 V DC) and ZP (0 V DC) terminals.
Attention
:strong:Risk of damaging the PLC modules!
The PLC modules must not be removed when the plant is powered on.
Make sure that all voltage sources (supply and process voltage) are switched off before you are
- connecting or disconnecting any signal or terminal block
- removing or replacing a module.
Attention
:strong:Risk of damaging the PLC modules!
The PLC modules can be damaged by overvoltages and short circuits.
- Make sure that all voltage sources (supply and process voltage) are switched off before you are beginning with operations at the system.
- Never connect any voltages or signals to reserved terminals (marked with —). Reserved terminals may carry internal voltages.
The module provides several diagnosis functions (see Diagnosis Digital Output Module DO561).
The following figure shows the electrical connection of the Digital Output Module DO561:
Attention
:strong:Risk of malfunctions in the plant!
The outputs may switch on for a period of 10 to 50 µs if the process supply voltage UP/ZP is switched on.
This must be considered in the planning of the application.
Attention
:strong:Risk of damaging the I/O Module!
The outputs are not protected against short circuit and overload.
- Never short circuit or overload the outputs.
- Never connect the outputs to other voltages.
- Use an external 3 A fast protection fuse for the outputs.
The meaning of the LEDs is described in the Displays Digital Output Module DO561.