Danfoss FC 300 Operating Instruction page 69

FC 300 Operating Instructions
Pulse/encoder inputs:
Programmable pulse/encoder inputs ............................................................................................. 2/1
Terminal number pulse/encoder ........................................................................ 29, 33
Max. frequency at terminal 18, 29, 32, 33 .................................................... 110 kHz (Push-pull driven)
Max. frequency at terminal 18, 29, 32, 33 ........................................................... 5 kHz (open collector)
Min. frequency at terminal 18, 29, 32, 33 .................................................................................... 4 Hz
Voltage level ............................................................................................. see section on Digital input
Maximum voltage on input ................................................................................................... 28 V DC
Input resistance, R ...................................................................................................... approx. 4 kΩ
i
Pulse input accuracy (0.1 - 1 kHz) ..........................................................
Encoder input accuracy (1 - 110 kHz) .................................................... Max. error: 0.05 % of full scale
The pulse and encoder inputs (terminals 18, 29, 32, 33) are galvanically isolated from the
supply voltage (PELV) and other high-voltage terminals.
1) Pulse inputs are 29 and 33
2) Encoder inputs: 32 = A, and 33 = B
Digital output:
Programmable digital/pulse outputs ................................................................................................ 2
Terminal number ................................................................................................................ 27, 29
Voltage level at digital/frequency output ................................................................................. 0 - 24 V
Max. output current (sink or source) ........................................................................................ 40 mA
Max. load at frequency output ................................................................................................... 1 kΩ
Max. capacitive load at frequency output .................................................................................... 10 nF
Minimum output frequency at frequency output ...........................................................................
Maximum output frequency at frequency output ....................................................................... 32 kHz
Accuracy of frequency output ................................................................. Max. error: 0.1 % of full scale
Resolution of frequency outputs ............................................................................................... 12 bit
1) Terminal 27 and 29 can also be programmed as input.
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Analog output:
Number of programmable analog outputs ......................................................................................... 1
Terminal number ......................................................................................................................... 42
Current range at analog output ....................................................................................... 0/4 - 20 mA
Max. load to common at analog output ..................................................................................... 500 Ω
Accuracy on analog output .................................................................... Max. error: 0.5 % of full scale
Resolution on analog output .................................................................................................... 12 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, 24 V DC output:
Terminal number ................................................................................................................... 12, 13
Max. load ...................................................................................... FC 301: 130 mA / FC 302: 200 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same
potential as the analog and digital inputs and outputs.
Control card, 10 V DC output:
Terminal number ......................................................................................................................... 50
Output voltage ............................................................................................................ 10.5 V ±0.5 V
Max. load ............................................................................................................................. 15 mA
The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
General Specifications
MG.33.A7.02 - VLT is a registered Danfoss trademark
1)
/ 18, 32, 33
Max. error: 0.1% of full scale
2)
1)
0 Hz
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