By340_04b_oi_e.doc / Apr-16
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4.4.
Control Inputs Cont.1 – Cont.4
These inputs can be configured for remote functions like Reset, Phase trimming, Index
evaluation or display selection purpose. All control inputs require HTL level. They can be
individually set to either NPN (switch to -) or PNP (switch to +) characteristics. For applications
where edge-triggered action is needed, the menu allows to set the active edge (rising or
falling). The Control inputs will also accept signals with Namur (2-wire) standard.
For reliable operation of the Control Inputs a minimum impulse duration of 50 µs.
must be ensured. Especially when using the Z marker pulse of a HTL encoder for
index tracking, please verify that this minimum duration can be kept even with
maximum speed of the machine.
4.5.
Switching Outputs K1 – K4
BY340 provides four digital outputs to signal control states like “out of synchronization” or
“Index o.k.”. K1 – K4 are fast-switching and short-circuit-proof transistor outputs with a
switching capability of 5 – 30 volts / 350 mA each. The switching voltage of the outputs must
be applied remotely to the Com+ input (terminal 29).
4.6.
Serial Interface
The serial RS232 interface can be used for the following purposes:
Set-up of the unit by PC with use of the OS32 PC software
Remote change of parameters during operation
Remote readout of actual values by PLC or PC
The figure below explains the connection between the BY340 unit and a PC using the standard
Sub-D-9 serial connector
2
3
5
RxD
RxD
TxD
TxD
GND
screen
PC
BY 340
14
(Sub-D-9)
30
31
For details of the serial communication protocol, please refer to the special SERPRO manual.
4.7.
Analog Output
The unit provides a voltage output of +/- 10 volts (load = 3 mA) or a current output of
0 … 20 mA (load = 0 … 270 Ohms), both at a resolution of 14 bits (13 bits + sign). With most
standard applications the voltage output is used as a speed reference signal, connected to the
speed input of the Slave drive.
Important note: “voltage out” and “current out” must not be used together.
Please do never connect mA and V simultaneously!
Continuous serial communication may temporary increase response times.
