Download TW1-B Computing Head User Guide

EsiWelma s.r.l.
Red
Common Lamps
Green
Not used in this version
4
EV Blk
3
EV Lf
2
Motor
1
Common hydraulics
M
All'alimentazione
230Vac o 24Vac
TB6
TB7
TB8
TB8
5
1
2
3
Neutral
Phase
230Vac o 24Vac
Power Supply
1
2
3
Gnd
230Vac
Power Supply
6
5
4
3
2
1
TB7
HV connections
TB6
0VFld
TR2TR2+
0VFld
TR1TR1+
TB4
Computing Head
TW1 CPU Board
LV connections
TB4
MTL
7756ac
7
4
3
5
2
1
MTL
7756ac
7
4
3
Temperature 2
(Optional)
TR2
PT100
Temperature 1
8
7
6
5
4
3
2
1
Tank Level
ChA pulser repeater
0V pulser
ChB pulser
ChA pulser
+Vcc pulser
0V field
Nozzle
5
4
3
2
1
Clear
10.00€/10Litri
5.00€/5Litri
€ request
0V field
5
4
3
2
1
N.U.
Tx
Rx
0V field
Aut/Man
TR1
PT100
TB3
TB3
TB2
Display
connection
J1
5
2
1
TB2
TB1
J1
Display connector
SETUP
Card
TB1
Display-2
Display-1
L
L
p.u.
p.u.
/L
/L
4x4 Keyboard
Keyboard interface
Delete
5
6
Enter
8
9
Euro
0
,
Litres
2
4
7
Not
Used
1 2 3 4 5 6 7 8
3
1
Abnormality
alarm device
Figure 1: Diagram of electrical connections
Type / No.
EW055. 601
Rev.
C
Fw
D
Date
05 August 2011
Page
5
Total pages
40