DC551-CS31 and S500 I/O Devices as Slave Modules¶
If in the device tree, a CS31 bus master has been configured Configuration of CS31 Bus Master, the DC551-CS31 device can be used as CS31 slave.
Right-click .
DC551-CS31 module is available in two versions in the PLC configuration:
DC551-CS31 8 DI + 16 DC / without fast counter:
The addresses 00…61 can be set at the module and in the PLC configuration.
DC551-CS31 8 DI + 16 DC + 2FC / with 2 fast counters:
The hardware addresses 70…99 can be set at the module. This corresponds to the module addresses 00…29 with activated counter. In the PLC configuration and at the block CNT_DC551, the module address (00..29) is set Counter Library: Counter Library
Select the desired module from the list.
Define the parameters in the Parameters tab.
The following parameters are available:
| Parameter | Default value | Value | Description |
|---|---|---|---|
Ignore module |
No | No | It is checked whether the module exists on the CS31 Bus. |
| Yes | Module is not checked. -> available as of CPU firmware V1.2.0 and PS501 V1.2 | ||
| Module address | 0 | 0…69 | Module address of the DC551-CS31 without fast counter |
| 0…29 | Module address of the DC551-CS31 with fast counter | ||
Error-LED |
On | On | The error LED lights up for errors of all classes, no failsafe function activated. |
| Off_by_E4 | Warnings (E4) are not indicated by the error LED, no failsafe function activated. | ||
| Off_by_E3 | Warnings (E4) and light errors (E3) are not indicated by the error LED. No failsafe function activated. | ||
| On+failsafe | The error LED lights up for errors of all classes and the failsafe function of the CS31 Bus is activated. -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Off_by_E4+failsafe | Warnings (E4) are not indicated by the error LED, the failsafe function of the CS31 Bus is activated. -> available as of CPU firmware V1.2.0, DC551 firmware V1.9 and PS501 V1.2 | ||
| Off_by_E3+failsafe | Warnings (E4) and light errors (E3) are not indicated by the error LED, the failsafe function of the CS31 bus is activated. -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Check supply | On | On | Control voltage monitoring ON |
| Off | Control voltage monitoring OFF | ||
| Input delay | 8 ms | 0.1 / 1 / 8 / 32 ms | Input delay 0.1 / 1 / 8 / 32 ms |
Fast counter |
0-No counter | 0-No counter | Operation mode of the Fast Counters: Fast Counters |
| Detection short-circuits at outputs | On | On | Output short-circuit detection ON |
| Off | Output short-circuit detection OFF | ||
Behaviour of outputs at communication fault |
Off | Off | Behavior of outputs at communication faults on the CS31 Bus OFF |
| Last value | Last value -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Substitute value | Substitute value -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Last value 5 sec. | Last value for 5 seconds -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Substitute value 5 sec. | Substitute value for 5 seconds -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Last value 10 sec. | Last value for 10 seconds -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
| Substitute value 10 sec. | Substitute value for 10 seconds -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 | ||
Substitute value |
0 | 0…65535 0000hex…FFFFhex |
Substitute value for the outputs, one bit per output, bit 0=C8 .. bit 15=C23 -> available as of CPU firmware V1.2.0, DC551-CS31 firmware V1.9 and PS501 V1.2 |
No Counter
Note
If a DC551 is configured as a Fast Counter module and ‘0 - no Counter’ in the Automation Builder is selected the channel ERR LEDs stays on and the module does not start up. The address was adjusted with ‘71’. Only the‘0- no Counter’ mode does not operate. If any other counter is selected e.g. ‘1-1 Up counter’ the module starts up and can be utilized.
Failsafe Function of CS31 Bus
The setting of the parameter Behaviour of outputs in communication fault directly influences the failsafe function of the outputs of the S500 I/O devices.