Chapter 2 System Configuration
2-5
2.2.2 K120S Series System Equipment Product

1) Main Unit – Standard type

Items Models I/O Point &
Power Supply Built-in Function Remark
K7M-DR20U 12 DC inputs(24VDC)
8 relay outputs
85~264 VAC
K7M-DR30U 18 DC inputs(24VDC)
12 relay outputs
85~264 VAC
K7M-DR40U 24 DC inputs(24VDC)
16 relay outputs
85~264 VAC
K7M-DR60U 36 DC inputs(24VDC)
24 relay outputs
85~264 VAC
• Program capacity : 10 k steps
• Max. expansion : 3 modules
• High-speed counter :
- 1 Phase : 100 kHz 1channel, 20 kHz 2channel.
- 2 Phase : 50 kHz 1channel, 10 kHz 1channel.
• Pulse catch : pulse width 10 ㎲2 points, 50 ㎲6 points,
• External interrupt: : 10 ㎲2 points, 50 ㎲6 points
• Input filter: 0 ~ 1000ms (can be designated with groups)
• PID control function
• RS-232C communication, RS-485 communication
K7M-
DRT/DT20U
12 DC inputs(24VDC)
4/0 relay outputs
4/8 TR outputs
85~264 VAC
K7M-
DRT/DT30U
18 DC inputs(24VDC)
8/0 relay outputs
4/12 TR outputs
85~264 VAC
K7M-
DRT/DT40U
24 DC inputs(24VDC)
12/0 relay outputs
4/16 TR outputs
85~264 VAC
Main Unit
K7M-
DRT/DT60U
36 DC inputs(24VDC)
20/0 relay outputs
4/24 TR outputs
85~264 VAC
• Program capacity : 10 k steps
• Max. expansion : 3 modules
• High-speed counter :
- 1 Phase : 100 kHz 1channel, 20 kHz 2channel.
- 2 Phase : 50 kHz 1channel, 10 kHz 1channel.
• Pulse catch : pulse width 10 ㎲- 2 points, 50 ㎲- 6 points,
• External interrupt: : 10 ㎲- 2 points, 50 ㎲- 6 points
• Input filter: 0 ~ 1000ms (can be designated with groups)
• PID control function
• RS-232C communication, RS-485 communication
• Positioning function
- 2axes 100 kpps
- Absolute / Incremental positioning method
- Single / Repeat operation method
- End / Keep / Continuous mode
- Return to origin, JOG, PWM, velocity control

2) Main Unit – Economic type

Items Models I/O Point &
Power Supply Built-in Function Remark
K7M-DR10UE 6 DC inputs(24VDC)
4 relay outputs
85~264 VAC
K7M-DR14UE 8 DC inputs(24VDC)
6 relay outputs
85~264 VAC
K7M-DR20UE 12 DC inputs(24VDC)
8 relay outputs
85~264 VAC
Main Unit
K7M-DR30UE 18 DC inputs(24VDC)
12 relay outputs
85~264 VAC
• Program capacity : 2 k steps
• Max. expansion : 2 modules
• Pulse catch : pulse width 50 ㎲ 4 points,
• High-speed counter :
- 1 Phase : 10 kHz 2channel.
- 2 Phase : 5 kHz 1channel.
• External interrupt: : 50 ㎲4 points
• Input filter: 0 ~ 1000ms (can be designated with groups)
• RS-232C communication
• RS-485 communication(K7M-DR10/14UE only)
• Built-in analog timer(K7M-DR10/14UE only)