GEA Grasso - Page 100

Grasso
Refri
g
eration Division
GRASSO SYSTEM CONTROL
Kap.5 - 2 638660E_chapter5.doc 01.2003/0
5.2 Terminal connection diagram
5.2.1 Customer’s input signals
6
-
X22
N
X01
1
L
PE
N
PE
+24V
1
2
3
5
+
PE
X50
3PE
2
1
PE
9PE
7
8
X08
300PEW
+
X32
PE
3PE
2
1
PE
6PE
5
4
11
10
12PE
PE
6
+24V
2
1
4
3
5
7
P2.2
PEW
294
-
294M
+
-
Motorcurrent
PE
N
L
3
1
2
+
I
I
Incomming supply
100 ... 240 V
50 Hz, N/PE
Motor protection
Motor in delta
(4-20 mA)
-
P L
ext. Emergency stop
2nd Safety pressure limiter
or emergency stop
+ T
ext. temperature
V
seperator
Level
Gas sensor
Flow switch
6
2
1
4
3
5
7
I
ext. acknowledgement
ext. capacity increase
ext. capacity decrease
ext. start release
ext. unit on
2nd setpoint aktiv
(4-20 mA)
-
+
-
I (4-20 mA)
*
ext. setpoint
*