Control Card, Rs485 Serial Communication; Digital Outputs; Control Card, 24 V Dc Output; Relay Outputs - Danfoss VLT HVAC Drive FC 102 Operating Manual

Operating Guide | VLT® HVAC Drive FC 102
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.

9.6.6 Control Card, RS485 Serial Communication

Terminal number
Terminal number 61
The RS485 serial communication circuit is galvanically isolated from the supply voltage (PELV).

9.6.7 Digital Outputs

Programmable digital/pulse outputs
Terminal number (1)
Voltage level at digital/frequency output
Maximum output current (sink or source)
Maximum load at frequency output
Maximum capacitive load at frequency output
Minimum output frequency at frequency output
Maximum output frequency at frequency output
Accuracy of frequency output
Resolution of frequency outputs
1
Terminals 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.

9.6.8 Control Card, 24 V DC Output

Terminal number
Maximum load
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.

9.6.9 Relay Outputs

Programmable relay outputs
Maximum wire cross-section to relay terminals
Minimum wire cross-section to relay terminals
Length of stripped wire
Relay 01 terminal number
Maximum terminal load (AC-1)
Maximum terminal load (AC-15)
Maximum terminal load (DC-1)
136 | Danfoss A/S © 2020.01
(1) on 1–2 (NO) (Resistive load)
(1) 1–2 (NO) (Inductive load @ cosφ 0.4)
(1) on 1–2 (NO) (Resistive load)
(2) (3)
Specifications
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Common for terminals 68 and 69
Maximum error: 0.1% of full scale
2
2.5 mm (12 AWG)
2
0.2 mm (30 AWG)
8 mm (0.3 in)
1–3 (break), 1–2 (make)
400 V AC, 2 A
240 V AC, 0.2 A
80 V DC, 2 A
AQ275556502253en-000101 / 130R0706
2
27, 29
0–24 V
40 mA
1 kΩ
10 nF
0 Hz
32 kHz
12 bit
12, 13
200 mA
2