The ETH-TTL-64 has 64 TTL channels and is accessed via a 10/100Mbit Ethernet interface. The TTL connection is made via two 37-pin D-SUB sockets. Four DIP switches for network configuration and various status LEDs simplify the commissioning and status requests. A plastic chassis with DIN rail adapter allows easy mounting in distribution cabinets or at test stations.
- 64*TTL-I/O channels
- TTL level from 1.5V to 5V
- Ethernet 10/100Mbit
- DIN rail module
TTL I/Os
The product has a total of 64 TTL I/O channels and supports TTL levels from 1.5V to 5V. The channels can be defined in blocks of 8 both as input and output.
Counter
Each input has a 16 bit counter. This means that up to 65535 pulses can be counted. If the maximum counter value is exceeded, the counting process starts again from zero. By means of a software command, the current status of all input counters can be written simultaneously into a separate memory area.
Digital In Input Filter
With our Digital-In modules, an input filter can be set in a time interval of 1ms…255ms to filter interference pulses.
Recording of status changes
Status changes that occur between the readout cycles are reliably detected by internal flip-flops and can be read out separately by software. In addition, such an event is signalled by a status LED. Resetting is done automatically after the flip-flops have been read out.
Fail-safe mode
The fail-safe mode is a safety function in which the DEDITEC module switches to a previously configured, safe switching state in the event of a connection failure.
This is intended to prevent connected installations or systems from continuing to run in an uncontrolled manner.
Three switching states can be defined for each digital output: a) Switched off, b) Switched on or c) Unchanged.
The fail-safe circuit is triggered by a timeout protection function. If the control unit no longer receives any commands from the control PC within a previously defined period of time, the timeout function comes into effect. The cause of a timeout can be a loss of connection between the control PC and the DEDITEC control system or failure of the control PC.
Timeout modes
Three timeout modes are available:
A) “Normal mode” is valid once and must be reactivated manually by software command after each timeout event. The customer application still has access to all controller outputs.
B) In “Auto reactivate mode”, the timeout function is automatically reactivated after communication with the control PC has been re-established. The customer application still has access to all outputs of the control unit.
C) The “Secure outputs mode” blocks access to the outputs after the timeout event. Unlocking can only be carried out by software command. This is an important safety aspect
Software and control
Our DELIB driver library, which is included with the product, makes it easy to address the product via our API.
We offer support for the following programming languages:
- C
- C++
- C#
- VB
- VBA
- VB.Net
- Java
- Delphi
- LabVIEW
We offer support for the following operating systems:
- Windows 10 (32bit/64bit)
- Windows 8/8.1 (32bit/64bit)
- Windows 7 (32bit/64bit)
- Windows Vista (32bit/64bit)
- Windows XP (32bit/64bit)
- Windows Server 2003 (32bit/64bit)
- Windows 2000
- Linux
Corresponding programming examples can be found in the “Software” section of the products or are included on the driver CD.
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