Grundfos TPE 2000-Serie Installationsanleitung Seite 14

Group 4: Communication cable (8-pin male socket) - only
TPED
The communication cable is connected to the socket in group
4. The cable ensures communication between the two pumps,
whether one or two pressure sensors are connected, see
section 5.6 Communication cable for TPED pumps.
The selector switch in group 4 enables changeover between
the operating modes "alternating operation" and "standby
operation". See description in section 6.2.1 Additional
operating modes – TPED pumps.
Fig. 14 Connection terminals TPE Series 2000
14
1: Digital input
9: GND (frame)
8: + 24 V
7: Sensor input
B: RS-485B
Y: Screen
A: RS-485A
6: GND (frame)
5: + 10 V
4: Setpoint input
3: GND (frame)
2: Start/stop
Group 2
Fig. 15 Connection terminals TPED Series 2000
A galvanic separation must fulfil the requirements for reinforced
insulation including creepage distances and clearances specified
in EN 61800-5-1.
Group 4 Group 3
1: Digital input
9: GND (frame)
8: + 24 V
7: Sensor input
B: RS-485B
Y: Screen
A: RS-485A
6: GND (frame)
5: + 10 V
4: Setpoint input
3: GND (frame)
2: Start/stop