39
40
41
42
Ex
t.2
8
9
10
11
74
75
76
77
-
+
B
A
38
37
36
35
34
33
11
FMC
PLC
.
.
.
S
R 2
R 3 R 4
L oca l
TD R D
R 1
P ow er
R ela y m od u le M R M 0 1
12
11
12
13
7
14
15
PAN
311
PAN
312
Base Unit
Terminal
Description
This table describes the Modbus communication terminals (RS-485) of the base unit:
Terminal
number
Type
Description
33
+
Supply to Operator panel, 12 V DC
34
Ground
Supply to Operator panel, ground
35
+
Supply to Pump memory, 12 V DC
36
Ground
Supply to Pump memory, ground
37
Local, A
RS-485, Operator panel, Pump memory and Relay Module
(Modbus master)
38
Local, B
RS-485, Operator panel, Pump memory and Relay Module
(Modbus master)
39
Ext 2, A
RS-485, Power Analyzer (Modbus master)
40
Ext 2, B
RS-485, Power Analyzer (Modbus master)
41
Ext 1, A
RS-485, Central system (Modbus slave)
42
Ext 1, B
RS-485, Central system (Modbus slave)
30
