Alpha Technologies Cordex CXCRF 48-300W - Manual (Page 24)

0300072-J0 RevA Page 20 of 46
Signals
If used, make the Ethernet connection via the port on the front of the controller (Figure 14) and signal connectors
at the rear of the shelf (Figure 15)
Figure 14 : Front ethernet port Figure 15 : Rear signal connectors
Optionally, a set of mating connectors can be provided with the system.
Figure 16 : Signal connector pinning
The following table lists all the pin assignments for the signal connectors:
X110 Name Remarks
1 --
DO NOT CONNECT
2 --
3 0 V signal 0V signal for Temp. sensor and the four digital inputs
4 Tenv. sensor Thermal sensor (NTC 10kΩ) with 0V signal
5 DIG_IN1 External digital input 1 – used with 0V signal
6 DIG_IN2 External digital input 2 – used with 0V signal
7 CANH
CAN bus
8 CANL
X111 Name Remarks
1 DIG_IN3 External digital input 3 – used with 0V signal
2 DIG_IN4 External digital input 4 – used with 0V signal
3 Dig_Out1_common Common point of potential free alarm 1
4 Dig_Out1_n_open Normally open contact of potential free alarm 1
5 Dig_Out1_n_closed Normally closed contact of potential free alarm 1
6 Dig_Out2_common Common point of potential free alarm 2
7 Dig_Out2_n_open Normally open contact of potential free alarm 2