SMA SSM-U-1615 User Manual
Page 69
Interfaces for Temperature Measurement
Cable gland
Multiple feed-through
Sealing range of cable gland
3.2 mm to 6.5 mm
* based on the measurement range end value (with four-wire measurement)
Digital Input (Customer)
Quantity
1
Supply voltage
24 V
DC
±20%
Maximum output current (for sensors)
150 mA
Switching threshold, low level
V
LMAX
3 V
Switching threshold high level
V
HMIN
15 V
Nominal input voltage
24 V
DC
Nominal input current
5 mA
Terminal
Spring-cage terminal with actuation lever on the
electronic assembly
Conductor cross-section
0.08 mm
2
to 1.00 mm
2
Maximum cable length
30 m
Cable gland
Multiple feed-through
Sealing range of cable gland
3.2 mm to 6.5 mm
Digital Input for Alarm Contact* for DC Load-Break Switch
Quantity
1
Design
Potential-free contact
Nominal input voltage (typical)
24 V
DC
Nominal input current (typical)
5 mA
Terminal
Supplied preassembled cable with plug contact
* available as an accessory (see Section 14, page 72)
Analog Current Input
Quantity
1
Supply voltage
24 V
DC
±20%
Maximum output current (for sensors)
150 mA
Input measurement resistance
250 Ω
Current measurement range
4 mA to 20 mA
Maximum error at +25°C*
±0.3%
13 Technical Data
SMA Solar Technology AG
Operating Manual
69
SSMUXX15-BE-en-10