Document name: Link IO - Manual
Document date: 1.2 10/02/2020
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Specifications
Main unit
Power supply
24 Vac +10%/-15% 50/60 Hz, 28 to 36 Vdc +10% to -15%
Consumption 30 VA / 12W
+Vdc
Voltage output: 12 Vdc +8%/-8%, max current: 50 mA, protected against short circuits
+5Vref
Voltage output: 5 Vdc +3%/-3%, max current: 50 mA, protected against short circuits
Digital Outputs
Output 1 to 5 Relay max 5 A, 250 Vac only with NO contacts
NO EN 60730-1: 2(1) A (100,000 cycles); UL60730: 5 A resistive, 1FLA, 6LRA, 250 Vac, C300 pilot duty, 30,000 cycles
Output 6 Relay max 1 A, 250 Vac with NO/NC contacts
NO EN 60730-1: 1(1) A (100,000 cycles); UL 60730-1: 1 A resistive, 1 A FLA, 6 A LRA, 250 Vac, D300 pilot duty, 30,000 cycles
Digital Inputs
2x Volt free contact
Maximum current output: 5 mA
Maximum voltage with the contact open: 12 Vdc
Maximum connection cable length: less than 10 m
Analog outputs
2x 0-10 V 0-10 V, PWM 3.3 V 100Hz, PWM 3.3 V 2KHz
Precision of analogue outputs: ± 3% of full scale
Maximum current output: 10 mA
Maximum connection cable length: less than 10 m
Universal
Inputs/Outputs
10x selectable input/output
Precision of analogue input reading: ± 0.3% of full scale
Precision of analogue output signal: ± 2% of full scale
Analogue/digital conversion: 14-bit
Maximum current output 2 mA
Maximum connection cable length: less than 10 m
Passive Inputs NTC 10K3A1, NTC 10K4A1, Carel NTC 10K, PT1000, PT500, PT100 (3 wires), PTC_R, Carel NTC 0-150, Carel -
50T90, Carel -10T170
Active Inputs 0-1 V, 0-10 V, 0-5 V, 0-20 mA, 4-20 mA
Digital Inputs Volt free contact
Digital Pulse Counter (up to 2KHz), digital Frequency Measure (up to 2KHz, res +-1Hz)
Analogue Outputs 0-10 V, PWM 3.3 V 100Hz, PWM 3.3 V 2KHz
Interface to BMS
Connector J6 (BMS), RS485, Modbus RTU or BACnet MSTP, up to 128 devices on the bus, not opto-isolated
Ethernet, Modbus TCP/IP or BACnet IP
Interface to
expansions
Connector J4 (Field Bus), RS485, not opto-isolated
Baud-rate BMS
Range from 2400 to 115200 bps
Baud-rate
expansions
Fixed 38400 bps
Ingress Protection
Rating
IP40 - for indoor installation
Temperature and
humidity
Operating: -20°C to +60°C (-4°F to 140°F), max 90% RH (without condensation)
Storage: -30°C to +70°C (-22°F to 158°F), max 90% RH (without condensation)
Connectors
Separable, max 2.5 mm2
(18
–
12 AWG)
Mounting
DIN rail mounting (DIN EN 50022 norm)
Housing Material
Plastic, self-extinguishing PC/ABS
PTI of insulating
materials
PCB: PTI 250 V; insulating material: PTI 175
Cable cross-section
min 0.5 mm2 - max 2.5 mm2
