iSMA CONTROLLI iSMA-B-12O-H Installation Instruction

iSMA-B-12O-H
Digital outputs
hand control
Connection of electrovalve
O1 O2 C1 O3
Max.
30 V DC
3 A
Every CX terminal can be supplied by
different PELV/SELV source
COMMUNICATION
RS485 TERMINATION
Jumpers
must be
shorted to
enable
biasing
The performances stated in this sheet can be modifi ed without any prior notice.
Status of digital outputs
O4 C2
24 V
Max. 3 A
DC
Every CX terminal can be supplied by
Bottom view of the board
www.ismacontrolli.com
Power supply DC: 24 V ± 20%, 3.4 W; AC: 24 V ± 20%, 9 VA
12 relay outputs
Digital outputs Resistive load (AC1)
Inductive load (AC3)
Interface RS485 half duplex, Modbus or BACnet, up to 128 devices on the bus
Address Set by switch in the range from 0 to 99
Baudrate Set by switch in the range from 4800 to 115200 bps
Ingress protection
IP20 - for indoor installation
rating
Operating: -10°C to +50°C (14°F to 122°F)
Temperature
Storage -40°C to +85°C (-40°F to +185°F)
Relative humidity 5 to 95% RH (without condensation)
Connectors Separable, max 2.5 mm
Without HOA: 106.30 x 113.60 x 62.00 mm (4.19 x 4.47 x 2.44 in)
Dimensions
With HOA: 106.30 x 113.60 x 70.00 mm (4.19 x 4.47 x 2.76 in)
Mounting DIN rail mounting (DIN EN 50022 norm)
Housing material Plastic, self-extinguishing PC/ABS
TOP PANEL
mini USB
DIGITAL OUTPUTS
Connection of resistive load
O1 O2 C1 O3 O4 C2
230 V AC
different PELV/SELV source
DIM478en | 1
SPECIFICATION
Max. ratings
3 A at 230 V AC, 3 A at 30 V DC
75 VA at 230 V AC, 30 W at 30 V DC
(18–12 AWG)
2
RS485 communication
Switch for setting baudrate, protocol,
and restoring the default settings
Switches for setting the device address
Address = S2*10 + S1
Power status
Connection of inductive load
O1 O2 C1
Max.
M
75 VA
Every CX terminal can be supplied by
different PELV/SELV source
POWER SUPPLY
BLOCK DIAGRAM
Digital Outputs
Digital Outputs
Issue rev. 2 | 12/2024
st
O3 O4 C2
230 V AC
page 1