DeviceNet Digital Base Terminal Block CompactBlock LDX I/O 21
Publication 1790-IN012C-EN-P - January 2015
General Specifications
Attribute
Value
DeviceNet power
Supply voltage - 24V DC nom
Voltage range - 10…25V DC
DeviceNet power
dissipation
1.2 W max @ 25V DC
Network length
500 m (1640 ft) max @ 125 Kbps
100 m (328 ft) max @ 500 Kbps
Network protocol
Slave messaging:
• Poll command
• Bit Strobe command
• Cyclic command
• COS command
Status indicators
Module Status - red/green
Network Status - red/green
Number of nodes
64 max - rotary switch-type node address setting
Communication rate
125 Kbps, 250 Kbps, 500 Kbps - auto baud rate selection
Dimensions (HxWxD),
approx.
16pt base blocks:
52 x 104 x 42 mm (2.03 x 4.07 x 1.64 in.)
Weight, approx.
16pt base blocks: 0.1 kg (0.3 lb)
Enclosure type rating
Meets IP20
Isolation voltage
120V AC (continuous), Reinforced Insulation
Type tested at 1250 V AC for 60 seconds, I/O to system
No isolation between individual I/O channels
(1790D-T0A6, -T0W6, and T8A0)
50V DC (continuous), Reinforced Insulation
Type tested at 1250 V AC for 60 seconds, I/O to system
No isolation between individual I/O channels
(1790D-T8BV8B, T8BV8V, T16BV0, T0B16, and T0V16 )
Mounting
DIN rail or panel
Wire size
0.25... 2.5 mm² (22...14 AWG) solid or stranded copper wire rated at 75 °C
(167 °F ) or greater 1.2 mm (3/64 in.) insulation max
Wiring terminal screw
torque, max
0.6 Nm (5.2 lb-in.)
Removable terminal block
screw torque, max
0.56 Nm (5.0 lb-in.)