BENSHAW RediStart MX3 Series, User Manual

Page: 17 / 238

9
2 - TECHNICAL SPECIFICATIONS
Function
Terminal
Block
Terminal Number Description
Digital Inputs TB3 1: Start
2: DI1
3: DI2
4: DI3
5: Common 120VAC digital input
2500V optical isolation
4mA current draw
Off: 0-35VAC
On: 60-120VAC
Digital Inputs J6 1: DI4
2: DI5
3: DI6
4: DI7
5: DI8
6: Common 120VAC digital input
2500V optical isolation
4mA current draw
Off: 0-35VAC
On: 60-120VAC
Serial Comm TB4 1: B+
2: A-
3: COM Modbus RTU serial communication port.
RS-485 interface
19.2k baud maximum
2500V Isolation
Analog I/O TB5 1: Ain Power
2: Ain +
3: Ain -
4: Common
5: Aout
6: Common
7: Shield Input:
Voltage or Current
Voltage: 0-10VDC, 67K
W
impedance
Current: 0-20mA, 500
W
impedance
Output:
Voltage or Current
Voltage: 0-10VDC, 120mA maximum
Current: 0-20mA, 500
W
load maximum
PTC Thermistor Input J7 1: Motor PTC
2: Motor PTC Positive Temperature Coefficient Thermistor
- Trip resistance 3.5K, ± 300 Ohms.
- Reset resistance 1.65K, ± 150 Ohms.
- Open terminal voltage is 15V.
- PTC voltage at 4Kohms = 8.55V. (>7.5V)
- Response time adjustable between 1 and 5
seconds.
- Maximum cold resistance of PTC chain = 1500
Ohms.
Zero Sequence Ground
Fault J15 1: CT input
2: CT input Zero Sequence Ground Fault
CT Type: 50:0.025 (2000:1 ratio)
Measurement range: 0.1A - 25.0 Amps Accuracy : +/- 3%
Burden at 25Amps : 0.0089VA.
Display RJ45 Door Mounted Display Connector
SCR J6 to J11 1: Gate
2: Cathode SCR gate Connections
Phase C.T. J12 1: CT1+
2: CT1
3: CT2+
4: CT2
5: CT3+
6: CT3 Phase CT Connector
Wire Gauge
The terminals can support 1- 14 AWG wire or 2-16 AWG wires or smaller.
Torque Rating
The terminals on the control cards have a torque rating of 5.0-inch lb. or 0.56Nm. This MUST be
followed or damage will occur to the terminals.
z
NOTE:
Refer to Control Card Layouts starting on page 41.
Table 1: Terminals