Grundfos Hydro Multi-B Series, Инструкция по установке и эксплуатации

Страница: 17 / 22

17
English (US)
Pos. Terminal Description Data Diagram
1
L Connection to phase conductor
1 x 100-240 VAC ± 10 %, 50/60 Hz
N Connection to neutral conductor
PE Connection to protective earth
2
A1 RS-485 A
GENIbus (internal)
Fix the screen with a cable clamp.
Y1 RS-485 GND
B1 RS-485 B
Functional earth
3 Connection to external fieldbus, see installation and operating instructions for the CIM module.
4
30 PTC 1
Input for PTC sensor or thermal switch.
31 GND, PTC
32 PTC 2
33 GND, PTC
34 PTC 3
5
50 + 24 V
Supply to sensor.
Short-circuit-protected 30 mA.
51 AI1
Input for analog signal.
0-20 / 4-20 mA or 0-10 V.
53 + 24 V
Supply to sensor.
Short-circuit-protected 30 mA.
54 AI2
Input for analog signal.
0-20 / 4-20 mA or 0-10 V.
55 GND
All terminals (except mains terminals) must only be connected to voltages not exceeding 16 V
rms
and 22.6 V
peak
or 35 VDC.
6
77 Relay 1
Relay contact for starting and stopping
mains-operated pumps.
79 Relay 2
80 Common
80 Common
81 Relay 3
7
70 Relay 1 C
71 Relay 1 NO
72 Relay 1 NC
73 Relay 2 C
74 Relay 2 NO
75 Relay 2 NC
8
10 DI1
Digital input 11 GND
12 DI2
All terminals (except mains terminals) must only be connected to voltages not exceeding 16 V
rms
and 22.6 V
peak
or 35 VDC.
9 GENIbus Service connection
L
N
CU
L
N
P
A
Y
B
CU E-pump
A1
Y1
B1
34
33
32
31
30
PTC 1
CU 323
PTC 3
PTC 2
54
53
50
51
55
1
2
CU 323
CU 323
81
77
79
80
80
74
73
72
70
71
75
CU 323
12
11
10
CU 323