FP3 MEWNET-TR
Chapter8-1. Page.117
113
2) FP I/O transmitter unit
J
Input type
Item Description
Number of input points
AFP87525: 4 points
AFP87521: 8 points
AFP87522: 16 points
Rated input voltage
24 V DC
Rated input current
Approx. 5.5 mA (at 24 V DC)
Input impedance
Approx. 4.4 k
:
Input voltage range
20.4 to 26.4 V DC
ON voltage
19.2 V or less
OFF voltage
2.4 V or more
Response time
OFF
→
ON:
ON
→
OFF:
1 ms or less
1 ms or less
Internal current consumption
(at 24 V DC)
AFP87525: 40 mA or less (when all points are OFF)
65 mA or less (when all points are ON)
*
AFP87521: 40 mA or less (when all points are OFF)
85 mA or less (when all points are ON)
*
AFP87522: 40 mA or less (when all points are OFF)
125 mA or less (when all points are ON)
*
Input points per common
AFP87525: 4 points/common
AFP87521: 8 points/common
AFP87522: 16 points/common
Input type
Source input
Connection method
Terminal block (M3.5 screw)
Insulation
Optical coupler
Weight
AFP87525: Approx. 130 g/4.586 oz.
AFP87521: Approx. 190 g/6.702 oz.
AFP87522: Approx. 280 g/9.877 oz.
Note:
*
When all points are ON, the current required for the driving input current is also included in the ratings.
x
Internal circuit diagram
Internal circuit
24 V DC
+24V
-
24 V
+
-
Input
terminal
Sensor
+
-
Internal circuit
Optical
coupler
Optical
coupler
Input
terminal
External
power supply
8-1. Specifications