13
ABBREVIATIONS
A/D Analog to digital conversion MOV
Metal Oxide Varistor type of surge
suppressor
AK
Analog channel (German: Analog
Kanal)
mW
Milliwatt
AMP Ampere NiCd Nickel Cadmium
AWG American Wire Gauge NiMh Nickel Metal Hydrite
BPS Bits Per Second PLC Programmable Logic Controller
CPU Central Processing Unit PLL Phased Locked Loop
DPST Double Pole Single Throw PTO Press to operate
DPDT Double Pole Double Throw PWM Pulse Width Modulation
DK Digital channel (German: Digital Kanal) R/C
Resistor/Capacitor type of surge
suppressor
EMC Electromagnetic Compatibility RF Radio Frequency
EMI Electromagnetic Immunity RMS Root Mean Squared
EEPROM
Electrically Erasable Programmable
Read-Only Memory
Rx Receiver
EPROM
Erasable Programmable Read-Only
Memory
RxD Receiving data
FM Frequency Modulation SMD Surface Mount Device
GND Ground SMT Surface Mount Technology
HF High Frequency SPST Single Pole Single Throw
KHz Kilohertz SPDT Single Pole Double Throw
LED Light Emitting Diode TTL Transistor transistor Logic
LTO Lift to operate Tx Transmitter
mAh Milliampere hours TxD Transmitting data
mA Milliampere Ub Operating power
msec Millisecond VAC Volts Alternating Current
MHz Megahertz VDC Volts Direct Current