Connecting to PLCs and Other Devices
Oper
ations
a
nd Moni
tor
ing
4–8
Specifications of
Control and Logic
Connections
The control logic connector board is removable for wiring convenience as shown below (first,
remove two retaining screws). The small connector to the left is for serial communications.
Specifications for the logic connection terminals are in the following table:
Alarm
relay
Logic inputs
Analog
inputs
Analog
outputs
Logic
outputs
H O2
5
3
1
4
2
AL1
AL0 AL2
FM
AM
O
OI
L
SP SN RP SN
Power
Serial
communications
FW
TH
PLC
P24
CM1
AMI
12C 12A 11C 11A
Analog outputs
Retaining screw locations
Terminal Name
Description
Ratings and Notes
[P24]
+24V power for inputs
24VDC supply, 100 mA max.
[CM1]
+24V common
Common for 24V supply, [FW], [TH], inputs [1] to
[8], and [FM]. (Note: Do not ground)
[PLC]
Common for logic inputs
Common for input terminals [1] to [8], jumper to
[CM1] for sinking, jumper to [P24] for sourcing
[1], [2], [3], [4], [5]
Intelligent (programmable)
discrete logic inputs
27VDC max. (use [P24] or an external supply refer-
enced to terminal [CM1]), 4.7k
Ω
input impedance
[FW]
Forward/stop command
27VDC max. (use [P24] or an external supply refer-
enced to terminal [CM1]), 4.7k
Ω
input impedance
[11C]—[11A],
[12C]—[12A]
Intelligent (programmable)
relay outputs
Normally open contacts (1 Form A),
250 VAC / 30 VDC, 5A (resistive load) maximum
250 VAC / 30 VDC, 1A (inductive load) max.
Minimum 5 VDC, 1mA
[TH]
Thermistor input
Reference to [CM1], min. thermistor power 100mW
[FM]
PWM output
0 to 10VDC, 1.2 mA max., 50% duty cycle
[AM]
Voltage analog output
0 to 10VDC, 2 mA max.
[AMI]
Current analog output
4-20 mA, nominal load impedance 250
Ω
[L]
Common for analog inputs
Sum of [OI], [O], and [H] currents (return)
[OI]
Analog input, current
4 to 19.6 mA range, 20 mA nominal
[O]
Analog input, voltage
0 to 9.6 VDC range, 10VDC nominal, 12VDC
max., input impedance 10 k
Ω
[O2]
Analog input, voltage 2
–9.6 to 9.6 VDC range, ±10VDC nominal, ±12VDC
max., input impedance 10 k
Ω
[H]
+10V analog reference
10VDC nominal, 10 mA max.
Содержание L300P Series
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