SMA CLUSTER CONTROLLER Installation - Manual (Page 86)

Design Potential-free relay contacts
Maximum switching power 30 W
Maximum voltage load 48 V
DC
Maximum cable length 30 m (98 ft)
Analog Inputs
Number of analog inputs for current signals 3
Number of analog inputs for voltage signals 1
Internal resistance 450 Ω
Measurement range for current signals 0 mA to 20 mA
Measurement range for voltage signals 0 V to +10 V
Typical tolerance ± 0.3%
Maximum tolerance ± 2%
Maximum cable length 30 m (98 ft)
Analog outputs
Number of analog outputs for current signals 3
Measurement range for current signals 4 mA to 20 mA
Maximum tolerance ± 0.5%
Maximum cable length 3,000 m (9,842 ft)
Temperature Inputs
Quantity 2
Measuring shunt Platinum sensor Pt100, platinum sensor Pt1000
Type of measurement Two-conductor connection technology, four-con-
ductor connection technology
Measurement range −40°C to +85°C (−40°F to +185°F)
Maximum tolerance* ± 0.5°C (± 0.9°F)
Maximum cable length* 20 m (65 ft)
* when measured with four-conductor connection technology
USB Ports
Quantity 2
Specification USB 2.0 Hi‑Speed
9 Technical Data SMA Solar Technology AG / SMA America, LLC
Installation Manual ClusterController-IA-en-14 86