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3.2.3 RS 232 connection ST 3
The RS 232-interface is led to plug ST 3 (type M8 bushing 4 pins), the assignment is described
below.
ATTENTION
!
Before connecting PC and KFM05A ensure that there are no potential differences by ground
loops or electrostatics. Use a commercial RS 232 data isolator for more safety for PC and
KFM05A.
Pin assignment:
Pin 1 : shield
Pin 2 : TxD
Pin 3 : RxD
Pin 4 : GND
3.2.4 Optional Keypad connection ST4
The Keypad-interface is led to plug ST 4 (type M12 bushing 8 pins), the assignment is described
below. Interface RS422
Pin assignment:
Pin 1 : nc.
Pin 2 : +8V Keypad power supply
Pin 3 : Tx_/Z Data Out (invers)
Pin 4 : Rx_A Data In
Pin 5 : GND
Pin 6 : nc.
Pin 7 : Tx_Y Data Out
Pin 8 : Rx-/B Data In (invers)
3.2.5 Control connection ST5 analog signals
The analog signals control connection is led to plug ST 4 (type M12 bushing 5 pins), the
assignment is described below.
Pin assignment:
Pin 1 : 10 V 10mA power supply potentiometer
Pin 2 : GND reference ground
Pin 3 : Analog 1
Input Analog 1 0 – 10V / 0 – 20mA switchable via S3:5
Pin 4 : Analog 2
Input Analog 2 0 – 10V / 0 – 20mA switchable via S3:6
Pin 5 : Shield
Connection of the power shield
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Rev. 09/14