Danfoss iC7 Series

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6 Relay Option Installation and Configuration
6.1 Relay Option OC7R0
The Relay Option OC7R0 makes it possible to extend relay functions with 3 relay outputs: 2 NO/NC and 1 NO rated for up to 250 V
AC/2 A.
For detailed specifications, see 6.4 Relay Option OC7R0 Specifications.
6.2 Required Tools
Torx 20 screwdriver for mounting the option and EMC plate.
Slotted screwdriver (maximum 3 mm) for releasing the spring-loaded terminals of the plug connector.
6.3 Pin Assignment for Relay Option OC7R0
1
2
3
4
5
6
7
8
X101
X102
X103
e30bk112.10
Illustration 24: Relay Option OC7R0 Terminals
Table 25: Functions for Relay Option OC7R0 Terminals
Terminal X101 (Relay T2)
Terminal X102 (Relay T5)
Terminal X103 (Relay T8)
Numbering
Function
Number
Function
Number
Function
1
Common
4
Common
7
Common
2
Normally Open (NO)
5
Normally Open (NO)
8
Normally Open (NO)
3
Normally Closed (NC)
6
Normally Closed (NC)
The connectors are coded and cannot be exchanged in the control board.
See 6.5 Setup and Connection Examples for Relay Option OC7R0 for more information on wiring the option.
6.4 Relay Option OC7R0 Specifications
Relays are PELV galvanic isolated from supply voltage and other high voltage terminals, unless otherwise specified.
Table 26: Technical Specifications for Relay Option OC7R0
Functions
Data
Number of relay outputs
3 (2 NO/NC, 1 NO)
Maximum terminal load (AC-1): Resistive load
250 V AC, 2 A
Maximum terminal load (AC-15): Inductive load
@ cos =0.4
250 V AC, 0.2 A
Maximum terminal load (DC-1): Resistive load
80 V DC, 2 A
AQ390830267692en-000601 / 136R027344 | Danfoss A/S © 2023.06
Relay Option Installation and
Configuration
Functional Extension Options
Operating Guide