Specifications

MKS PWM Pulse Width Modulating Slice for Interfacing with Solid State Relays (SSR's)

More about the MKS PWM Pulse Width Modulating Slice for Interfacing with Solid State Relays (SSR's) here

MKS PWM
No. of Inputs 12
Input Type Sink or Source
Sink Input
Logic Level 24 VDC ±5%
Input Current, max ON 4.7mA
Input Current, max OFF 2.25mA (10.7v )
Input Current, min ON 3.3mA (4.5v)
Nominal Load Impedance 6 k-ohm
Source Input
Logic level 24v
Input Current, max ON 4.7mA
Nominal load impedance 6 k-ohm
Input Low Voltage Range ON 15v (2.5mA)
Input High Voltage Range OFF 12.8v (2.15mA)
Debounce Filter fixed to 4 cycles of DI Refresh Rate (10.8 usec)
Input Isolation 2.5 kVrms
DI refresh rate 2.7 µSec (Note 1)
Protection ESD to IEC 1000-4-2 ±4kV contact, DC + 5%
(each channel)
No. of Outputs 12
Output Type Open collector sink/source
Pull up/down value 22K.
Logic Level 24 VDC (8VDC - 30 VDC)
Heater Control Method 0 = Synchronized Random Fire SCR
1 = Synchronized PWM zero cross
2 = PWM zero cross / no AC, 50 Hz
3 = PWM zero cross / no AC, 60 Hz
Output Resolution 0.01% Full Scale power
Sink Output
Minimum available current sink (ON) 200mA
Maximum leakage current (OFF) 0.1mA (output tied to 24v)
Output low Voltage (ON) Max 1.1v @ 200mA
Min thermal current limit (ON) 1A per bank of 6
Max thermal current limit (ON) 2A per bank of 6
Max inductive load energy, cycled @1Hz 60mJ
Source Output
Minimum available current source (ON) 200mA
Maximum leakage current (OFF) 0.1mA (output tied to Ground)
Output High Voltage Min 23.7V @ 200mA
Min thermal current limit (ON) 1A per bank of 6
Max thermal current limit (ON) 2A per bank of 6
Max inductive load energy, cycled @1Hz 60mJ
Input Isolation 2.5 kVrms
Max update rate 25µSec (Note 1)
Protection (each channel) ESD to IEC 61000-4-2 ±4kV contact, short to +24VDC, 24V inductive load switching
Power Consumption (per module) @ 200mA ≥ 24V_IO@ 2.5Amp, 24V_CORE@ 0.15Amp
Assuming all DOs are loaded
Operational Environment Temperature 0 to 55 °C, with 2 °C upper limit reduction per 1000 ft above sea level
Storage Temperature -40°C to 85°C
Humidity 5-85% non-condensing
Altitude up to 2000 meters
Dimensions 35 mm x 125 mm x 92.3 mm (1.4 x 3.3 x 4.9 inches) (W x H x D)
Mounting DIN rail and wall mount options

Note1: System refresh data is depend on CPU process data time tick that is currently for Low Cost CPU 1ms.


Specifications are subject to change without notice.

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Contact an Applications Specialist by sending an email to MKS Instruments, or call 512-719-8000.