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6
Common - Common(Terminal 7)
Fig. 2: Relais Output Connection
Fig. 1: Input/Output Terminals
Connections 6" / 8" HES Standard System
Standard I/O
Terminal
Signal
1
+10 Vref
Reference output
2
AI1+
Analogue input,
voltage or current
Control Reference:
AI1, Terminals 2(+), 3(GND)
Default setting [V]
3
AI1-
Analogue input
common
4
AI2+
Analogue input,
voltage or current
Process Reference:
AI2, Terminals 4(+), 5(GND)
Default setting [mA]
5
AI2-
Analogue input
common
6
24V out
24V aux. voltage
7
GND
I/O ground
8
DI1
Digital input 1
Start/Stop:
DI1, Terminals 6(+24V), 8(DI1)
9
DI2
Digital input 2
External Fault:
DI2, Terminals 6(+24V), 9(DI2)
10 DI3
Digital input 3
Manual Operation:
DI3, Terminals 6(+24V), 10(DI3)
11
CM
Common for DI1 - DI6*
12 24V out
24V aux. voltage
13 GND
I/O ground
14 DI4
Digital input 4
Set Point - :
DI4, Terminals 6(+24V), 14(DI4)
15 DI5
Digital input 5
Set Point + :
DI5, Terminals 6(+24V), 15(DI5)
16 DI6
Digital input 6
Reset:
DI6, Terminals 6(+24V), 16(DI6)
17 CM
Common for DI1 - DI6*
18 AO1+
Analogue output,
voltage or current
19 AO-/GND
Analogue output
common
30 +24V in
24V aux. input voltage
A
RS485
Serial bus, negative
B
RS485
Serial bus, positive
* Can be isolated from ground, see chapter 5.1.6.
(Connection depending
on settings)
Relays
Terminal
Signal
21
RO1/1
Operation: RO1, Terminals 22(+24V), 23
Switching capacity
24VDC/8A
250VAC/8A
125VAC/0,4A
5V/10mA
22
RO1/2
23
RO1/3
24
RO2/1
Warning/Fault: RO2, Terminals 25(+24V), 24
Min. switching load
25
RO2/2
26
RO2/3
Relay output 1
Relay output 2
Fig. 3: Analog Input/Output Signal Selection
Fig. 4: Digital Input Selection
Fig. 1.1 : Sensor connection
* depending on Reference
2- wire Sensor
3- wire Sensor
4- wire Sensor
24V (Terminal 6)
Common - AI+ (Terminal 2/4*)
AI - (Terminal 3/5*)
Common(Terminal 7)
24V (Terminal 6)
0/4- 20mA AI+ (Terminal 2/4*)
AI- (Terminal 3/5*)
0/4- 20mA+ AI + (Terminal 2/4*)
24V (Terminal 6)
Common Common(Terminal 7)
0/4- 20mA - AI- (Terminal 3/5*)
AI1 AI2 A0
&
2
9
AI1
AI2
A0
IP21
IP66
IP21
IP66