VDH MC2-FC, Manual, Page: 35 / 44

MC2-FC mode FC
Document no.:200064 Version: 1.5
Page 35 of 44
6 Connections
6.1 Controller
The functions of the external connections are stated in the following table.
Connection Function
RJ45 Ethernet connection for the use of the internal web pages and VASP
Input 1 Pt1000 temperature sensor input 1
Input 2
Input 3
Pt1000 temperature sensor input 2
Input 4
Input 5
Pt1000 temperature sensor input 3
Input 6
Input 7
Pt1000 temperature sensor input 4
Input 8
Input 9
Pt1000 temperature sensor input 5
Input 10
RS485_LAN 12V
RS485 LAN connection with power supply for an optional extension module 907.100054
MC3-EM [1Do12,1Rth16]
Note: The extension module can be powered from the controller.
RS485_LAN A
RS485_LAN B
RS485_LAN GND
RS485_WAN A
RS485 WAN connection for mutual cooperation between MC2-FC controllers (in mode FC)
and FC785-PC controllers
RS485_WAN B
Ry5 NO
Normally Open (NO), Normally Closed (CO) contacts of relays Ry2 to Ry5 with one shared
Common (COM)
Ry5 NC
Ry4 NO
Ry3 NO
Ry2 NO
COM
Ry1 NC
Normally Open (NO), Normally Closed (CO) and Common (C) contacts of relay Ry1
Ry1 NO
Ry1 C
Supply N
230 Vac supply voltage
Supply L
Supply PE