Installation manual

28
Control terminals
Characteristics and functions of the control terminals
Terminal Function Electrical characteristics
R1A
R1B
R1C
Common point C/O contact (R1C)
of
programmable relay R1
• Minimum switching capacity: 3 mA for 24 V c
• Maximum switching capacity on resistive load:
5 A for 250 V a or 30 V c
• Maximum switching current on inductive load (cos ϕ = 0.4 L/R = 7 ms):
2 A for 250 V a or 30 V c
• Reaction time: 7 ms ± 0.5 ms
• Service life: 100,000 operations at max. switching power
R2A
R2C
N/O contact of R2 programmable relay
+10 + 10 V c power supply for reference
potentiometer 1 to 10 k
Ω
•+10 V c (10.5 V ± 0.5V)
• 10 mA max.
AI1+
AI1 -
Differential analog input AI1 • -10 to +10 V c (max. safe voltage 24 V)
• Reaction time: 2 ms ± 0.5 ms, 11-bit resolution + 1 sign bit
• Accuracy ± 0.6% for Δθ = 60°C (140°F), linearity ± 0.15% of max. value
COM Analog I/O common 0V
AI2 Depending on software configuration:
Analog voltage input
or
Analog current input
• Analog input 0 to +10 V c (max. safe voltage 24 V), impedance 30 kΩ
or
• Analog input X - Y mA, X and Y can be programmed from 0 to 20 mA
• Impedance 250 Ω
• Reaction time: 2 ms ± 0.5 ms
• 11-bit resolution, accuracy ± 0.6% for Δθ = 60°C (140°F), linearity ± 0.15% of max.
value
COM Analog I/O common 0V
AO1 Depending on software configuration:
Analog voltage output
or
Analog current output
or
Logic output
• Analog output 0 to +10 V c, load impedance greater than 50 kΩ
or
• Analog output X - Y mA, X and Y can be programmed from 0 to 20 mA
• Max. load impedance 500 Ω
• 10-bit resolution, reaction time: 2 ms ± 0.5 ms
• Accuracy ± 1% for Δθ = 60°C (140°F), linearity ± 0.2% of max. value
or
• logic ouput : 0 to +10 V or 0 to 20 mA.
P24 Input for external +24V c control
power supply
•+24 V c (min. 19 V, max. 30 V)
• Power 30 Watts
0V Logic input common and 0V of P24
external power supply
0V
LI1
LI2
LI3
LI4
LI5
Programmable logic inputs •+24 V c (max. 30 V)
• Impedance 3.5 kΩ
• Reaction time: 2 ms ± 0.5 ms
LI6 Depending on the position of switch
SW2:
- Programmable logic input
or
- Input for PTC probes
Switch SW2 on LI (factory setting)
• Same characteristics as logic inputs LI1 to LI5
or
Switch SW2 on PTC
• Trip threshold 3 kΩ, reset threshold 1.8 kΩ
• Short-circuit detection threshold < 50Ω
+24 Logic input power supply Switch SW1 in Source or Sink Int position
•+24 V c power supply (min. 21 V, max. 27 V), protected against short-circuits
and
overloads
• Max. current available for customers 200 mA
Switch SW1 in Sink Ext position
• Input for external +24 V c power supply for the logic inputs
PWR Power Removal safety function input
When PWR is not connected to the 24V,
the motor cannot be started
(compliance with functional safety
standard EN 954-1 and IEC/EN 61508)
•24 V c power supply (max. 30 V)
• Impedance 1.5 kΩ
• State 0 if < 2 V, state 1 if > 17 V
• Reaction time: 10 ms
Switch SW1 State 0 State 1
Source (factory setting) < 5 V c > 11 V c
Sink Int or Sink Ext > 16 V c < 10 V c