Parameter Value
Model Number POL687.70/STD (also known as
POL68770STD; Internal Part No.: S55396 –
C877 – A100)
Product Series Siemens Climatix HVAC Controller
Power Supply 24 VAC/DC
Total I/O Count 27 Points
Analog Inputs (AI) 3 channels, compatible with NTC 10k and
NTC 100k temperature sensors
Digital Inputs (DI) 2 passive inputs, 2 isolated AC 24V inputs, 2
isolated AC 115/230V inputs
Universal I/O (UIO) 8 channels, configurable as analog or digital
I/O
Relay Outputs (DO – Relay)
8 channels (6 normally – open, 2 single –
pole double – throw)
Solid – State Relay Outputs (DO – SSR)
2 channels, suitable for AC 24/115/230V
Communication Interfaces
Ethernet, RS485, KNX; Supports Modbus,
JSON, Pl – Link protocols
Local Interfaces SD card slot, USB port, built – in HMI
Operating Temperature
– 40°C to +70°C (- 40°F to +158°F) (typical
industrial control range)
Dimensions 21.30 × 12.10 × 11.00 cm
Weight 2.43 lbs (approximately 1.1 kg)
HVAC controller POL687.70/STD POL687.70STD Siemens
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$1,399.00
99 in stock
99 in stock
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Located in:Xi'an City China
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