BL20
Part Number
Output
Count
Pinout
Style
Group
Diagnostics
Individual
Diagnostics
Wire-Break
Detection
I/O Map
BL20-1AO-I(0/4 to 20MA) with
BL20-S3*-SBB**
1 B20-3D 0/4 to 20 mA 1
BL20-2AO-I(0/4 to 20MA) with
BL20-S3*-SBB**
1 B20-3E 0/4 to 20 mA 2
BL20-2AI-U(-10/0 to +10VDC) with
BL20-S3*-SBB**
2 B20-3E -10/0 to 10 V 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 Channel 0, LSB
n+1 Channel 0, MSB
n+2 Channel 1, LSB
n+3 Channel 1, MSB
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 Channel 0, LSB
n+1 Channel 0, MSB
n+2 (Data for modules to the right)
I/O Data Map 1
B20-3D B20-3E
Output Connectors
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