Bitzer VARIPACK FMY+6-4

CB-110-4 17
• Technical data
– Status:
Off: 0..7V DC
On: 8..30V DC
– Max. input voltage: +30V DC
– Input impedance: 10kΩ.
Analogue inputs
• Function
– 6:AI1 (V/p0)
External control: Setpoint as 0..10V signal.
With extension module (pressure control): Input
for low pressure transmitter.
– 7: 0V
– 10:AI2 (mA/pc)
External control: Setpoint as 4..20mA signal.
With extension module (pressure control): Input
for high-pressure transmitter.
• Technical data
– Input signal: 0..10V or 4..20mA
– Max. input current: ≤20mA (current signal)
– Max. input voltage: +30V DC (voltage signal)
– Input impedance:
Voltage range: 86kΩ.
Current range: 500Ω
Analogue outputs
• Function
– 8: AO1 (Fan)
External control: without function.
With extension module (pressure control): Activa-
tion for condenser fan 0..10V.
– 11: AO2
Reserve.
• Technical data
– Output signal: 0..10V.
– Max. output load: 20mA, with short-circuit protec-
tion.
– Output impedance: Voltage range 86kΩ.
Relays
• Function
– 14: RL1-In ￫ 15: RL1-NO
"No fault" (factory setting) or "No fault and no time
delay" or "No fault, no time delay and start" con-
figurable via parameter "Logic of relay 1 (RL1)"
P2-15.
– 17: RL2-A ￫ 18: RL2-B
Compressor is running.
• Technical data
– Potential-free relay.
– Maximum switching current range: 5A
(250VAC / 30VDC)
– Minimum switching current range: 20mA (min.
24VAC / 24VDC)
– Protection against inductive or capacitive loads
must be provided by external measures.
Information
The STO input must be activated to allow the
compressor to start!
STO
• Function Safe Torque Off (STO)
– 12: STO
STO input (Safe Torque Off).
– 13: Common
• Technical data
– Status:
Off: < 18VDC
On: 18 .. 30VDC
– Max. input voltage: +30VDC