■ External control connection terminals, frames R6…R9
The layout of the external control connection terminals of frames R6…R9 is shown
below.
Description
Analog inputs and outputsX1
Aux. voltage outputX2
Digital inputsX3
Safe torque off connectionX4
Connection to embedded EIA-485 fieldbus
adapter module
X5
Relay output 3X6
Relay output 2X7
Relay output 1X8
External +24 V AC/DC input connectionX10
Panel connectionX12
Option slot 1 (fieldbus adapter modules)X13
Option slot 2 (I/O extension modules)X14
Auxiliary fan 1 connectionX16
Auxiliary fan 2 connectionX17
Air in temperature sensor connectionX18
Termination switch (S4), bias resistor
switch (S5), see Switches (page 143) (IEC)
or Switches (page 190) (North America)
S4,
S5
Panel port (control panel connection)1
Cold configuration connection. This con-
nector is used with the CCA-01 configura-
tion adapter.
2
Power OK and Fault LEDs. See section
LEDs (page 227).
3
X2
X4
X13
1
3
X8
X7
X6
X10
X5
S4, S5
X17X16
X14
X1:1…3
X1:4…6
X1:7…9
X3:1…3
X3:4…6
X12
X18
WARNING!
Do not connect the +24 V AC cable to the control unit ground when the control
unit is powered from an external 24 V AC supply.
46 Operation principle and hardware description