Ac - Design; Connection; Electrical Data - Burkert 8681 Quick Start Manual

11. 120 V AC - DESIGN

11.1. Connection

left connection:
1 x M16 x 1,5
cable gland for power supply and signals
right connection:
1 x M16 x 1,5
cable gland for external initiator
11.2. Electrical Data
Central power supply:
Power consumption
(stand-by current):
Solenoid valves:
max. switching capacity 1.7 W (per solenoid valve)
typ. continuous output
power consumption
per solenoid valve:
Operation mode:
Central display of the switching states:
22
110 ... 130 V AC, 50/60 Hz
10 mA at 120 V AC
1.4 W (per solenoid valve)
12 mA at 120 V AC
Long-term operation (100 %)
13 mA with a power supply of
120 V AC per illuminated display
english
Type 8681
120VAC-Design
Outputs/binary
feedback signals:
Design:
switchable output
current:
Output voltage
- active:
- inactive:
Feedback signal output:
Input / proximity switches (external initiator: S4 in):
Power supply:
Design:
input current 1-Signal:
Valve control inputs (Y1 - Y3):
Signal level - active:
Signal level - inactive:
Impedance:
S1out - S3out
NO contact, L switching,
short-circuit protection via auto-
matically resetting fuse
max. 50 mA per feedback signal
≥ (operating voltage - 2 V)
max. 1 V in unloaded state
S4 out is directly connected to S4 in
voltage present at control head
U = 120 V AC, 50/60 Hz
Nominal
DC 2- and 3-conductor,
NO contact, L-switching
I < 2 mA
Sensor
U > 60 V AC
U < 20 V AC
> 40 kOhm