Sourcetronic ST500 Series - Chapter 4 Installation and commissioning; 4-5-2.Description of control circuit terminals

Chapter 4 Installation and commissioning
24
Chapter 4
Category
Symbol
Name
Function
PLC
External power
input terminal
To use an external signal when driving, connect PLC to
an external power supply and please unplug the PLC
jumper. Factory default is PLC jumper set to internal
+24V connection..
Analog
input
AI1-
GND
Analog input
terminal 1
1.Input range: (DC 0V to 10V/0 to 20mA), depends on
the selected AI1 jumper on control panel.
2.Input impedance: 20kΩ with voltage input,
500
Ω with
current input.
AI2-
GND
Analog input
terminal 2
1.Input range: (DC 0V to 10V/0 to 20mA), depends on
the selected AI2 jumper on control panel.
2.Input impedance: 20kΩ with voltage input,
500
Ω with
current input.
AI3-
GND
Analog input
terminal 3
1. Input range: DC -10V to +10V
2. Voltage input impedance: 20kΩ;
3. AI3 reference potential can be GND or -10V.
Digital
input
DI1
Multi-function
digital input 1
1. Optocoupler compatible bipolar input, determined by
the setting of the jumper PLC;
2. Input impedance: 3.3kΩ
3. Level input voltage range is 19.2~28.8V.
Note: DI5 input impedance is 1.65k.
DI2
Multi-function
digital input 2
DI3
Multi-function
digital input 3
DI4
Multi-function
digital input 4
DI5
Multi-function
digital input 5
DI6
Multi-function
digital input 6
DI7
Multi-function
digital input 7
DI8
Multi-function
digital input 8
DI5
High-speed
pulse input
terminal
Except the function of DI1 to DI4, DI6 to DI8, DI5 can
also be used as high-speed pulse input channel.
Maximum input frequency: 100kHz
Analog
output
DA1-
GND
Analog output 1
The selection of DA1 jumper on control panel determines
voltage or current output. Output voltage range: 0V to
10V, output current range: 0mA to 20mA
DA2-
GND
Analog output 2
The selection of DA2 jumper on control panel determines
voltage or current output. Output voltage range: 0V to
10V, output current range: 0mA to 20mA
Digital
output
SPA-
COM
Digital output 1
Opto-coupler isolation, bipolar open collector output
Output voltage range: 0V to 24V , output current range:
0mA to 50mA
SPB-
COM
Digital output 2
SPB-
COM
High-speed
pulse output
Subject to function code (F2.00) "SPB terminal output
mode selection"
As a high-speed pulse output, the highest frequency is up
to 100kHz.
Relay
output
TA1-
TC1
Normally open
terminals
Contactor drive capacity: normally closed contact 3A/AC
250V, normally open contact 5 A/AC 250V, COSø = 0.4.
TB1-
TC1
Normally closed
terminals