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Product type
Compact smart relays
Supply voltage
a
24 V
a
100…240 V
Number of I/O
12
20
10
12
20
Number of discrete inputs
(of which analogue inputs)
8 (0)
12 (0)
6 (0)
8 (0)
12 (0)
Number of “relay”/“transistor” outputs
4/0
8/0
4/0
4/0
8/0
With display, with clock
Programming language
SR2 B
pp
1B
FBD
(1)
or LADDER
SR2 B
pp
1FU
FBD
(1)
or LADDER
With display, without clock
Programming language
SR2 A
pp
1FU
LADDER only
Without display, with clock
Programming language
SR2 E
pp
1B
FBD
(1)
or LADDER
SR2 E
pp
1FU
FBD
(1)
or LADDER
Without display, without clock
Programming language
SR2 D
pp
1FU
LADDER only
Programming software
(see page 26)
“Zelio Soft 2”
SR2 SFT01
“Zelio Soft 2”
SR2 SFT01
Connection
accessories
(see page 26)
Serial link cable
SR2 CBL01
SR2 CBL01
USB connecting cable
SR2 USB01
SR2 USB01
Bluetooth interface
SR2 BTC01
SR2 BTC01
Memory cartridge
(see page 26)
SR2 MEM02
(
d
incompatible with SR2 COM01)
SR2 MEM02
(
d
incompatible with SR2 COM01)
“Discovery” packs
(see page 22)
SR2 PACK
p
FU
Modem communication interface
(see page 54)
SR2 COM01
SR2 COM01
(for SR2 B and SR2 E)
Analogue (PSTN) or GSM modem
(see page 54)
SR2 MOD0
p
SR2 MOD0
p
Alarm management software
(see page 54)
“Zelio Logic Alarm”
SR2 SFT02
“Zelio Logic Alarm”
SR2 SFT02
Converters (thermocouple types J and K,
Pt100 probes and voltage/current)
(see page 64)
(2)
Power supplies for d.c. control circuit
(see page 71)
References
SR2
ppp
1B
SR2
ppp
1FU
Pages
22 and 23
22 and 23
(1) FBD: Function Block Diagram.
(2) See Zelio Analog analogue interfaces, pages 58 to 65.
Selection guide
1
Zelio Logic smart relays
1
Compact smart relays
1
2
3
4
5
6
7
8
9
10