Operating and Maintenance Instructions : FCU 2110-5 / FCU 2210-5
Edition 1.10
HYDAC Filtertechnik GmbH
Page 20 of 52
5.6 Connector Pin Assignments
On the rear of the FCU are various electrical connectors whose function and pin
assignments are described in this section
5.6.1 PC Connector: (Subminiature D, 15-pin, male)
Pin Signal
function
1 Shield
2
TXD transmit line
4
RXD receive line
8 GND
ground
5.6.2 Control Connector (Relays) (Subminiature D, 15-pin, female)
Relay 1
6
7
8
common
normally closed
11
12
13
14
15
User-programmable
normally open
Relay 2
User-programmable
Device ready
Relay 3
normally closed
normally open
common
normally open
common
Maximum load : 2A (max. 24 VDC / 50 V AC, max. 30W / 50 VA)
Pin 1 : 24V Supply Voltage, max. 200 mA
Pin 4 : Ground