Max. frequency at terminal 29, 32, 33 5 kHz (open collector)
Min. frequency at terminal 29, 32, 33 4 Hz
Voltage level see 8.2.1 Digital Inputs
Maximum voltage on input 28 V DC
Input resistance, R
i
approx. 4 kΩ
Pulse input accuracy (0.1 - 1 kHz) Max. error: 0.1% of full scale
Encoder input accuracy (1 - 110 kHz) Max. error: 0.05% of full scale
The pulse and encoder inputs (terminals 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
Analog output
Number of programmable analog outputs 1
Terminal number 42
Current range at analog output 0/4-20 mA
Max. load GND - analog output less than 500 Ω
Accuracy on analog output Max. error: 0.5% of full scale
Resolution on analog output 12 bit
The analogue output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS-485 serial communication
Terminal number 68 (P,TX+, RX+), 69 (N,TX-, RX-)
Terminal number 61 Common for terminals 68 and 69
The RS-485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Digital output
Programmable digital/pulse outputs 2
Terminal number 27, 29
1)
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 0 Hz
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.
Control card, 24 V DC output
Terminal number 12, 13
Output voltage 24 V +1, -3 V
Max. load 600 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same ground potential as the analog and
digital inputs and outputs.
Relay
outputs
Programmable relay outputs 2
Relay 01 Terminal number 1-3 (break), 1-2 (make)
Max. terminal load (AC-1)
1)
on 1-3 (NC), 1-2
(NO) (Resistive load) 240 V AC, 2A
Max. terminal load (AC-15)
1)
(Inductive load @ cos
φ 0.4) 240 V AC, 0.2 A
Max. terminal load (DC-1)
1)
on 1-2 (NO), 1-3
(NC) (Resistive load) 48 V DC, 1A
Max. terminal load (DC-13)
1)
(Inductive
load) 24
V
DC,
0.1A
Relay 02 Terminal number 4-6 (break), 4-5 (make)
Max. terminal load (AC-1)
1)
on 4-5 (NO) (Resistive
load)
2)3)
Overvoltage cat. II 240 V AC, 2 A
Max. terminal load (AC-15)
1)
on 4-5 (NO) (Inductive
load @ cosφ 0.4) 240 V AC, 0.2A
Specifications
VLT
®
Decentral Drive FCD 302 Operating Instructions
MG04F302 - VLT
®
is a registered Danfoss trademark
79
8 8
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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