
BL20
Part Number
Output
Count
Pinout
Current
Individual
Diagnostics
Wire-Break
Detection
I/O Map
BL20-16DO-24VDC-0.5A-P with
BL20-B3*-SBC**
16 B20-B3B 0.5 A 1
BL20-32DO-24VDC-0.5A-P with
BL20-B6*-SBCSBC**
32 B20-B6B 0.5 A 2
* T = Tension clamp
S = Screw clamp
** Base modules sold separately. See pages C58 - C61.
Outputs Data
out
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
n–1 (Data for modules to the left)
n O-7 O-6 O-5 O-4 O-3 O-2 O-1 O-0
n+1 O-15 O-14 O-13 O-12 O-11 O-10 O-9 O-8
n+2 O-23 O-22 O-21 O-20 O-19 O-18 O-17 O-16
n+3 O-31 O-30 O-29 O-28 O-27 O-26 O-25 O-24
n+4 (Data for modules to the right)
I/O Data Map 2
Out
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
n–1 (Data for modules to the left)
n O-7 O-6 O-5 O-4 O-3 O-2 O-1 O-0
n+1 O-15 O-14 O-13 O-12 O-11 O-10 O-9 O-8
n+2 (Data for modules to the right)
I/O Data Map 1
B20-B6B B20-B3B
Output Connectors
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