Batscan - Overview

General System Overall
Bus Network	Value	Unit	Note	Condition
Max cable segments (Sub Networks)	240			bus/star topology
Max hierarchical levels	4
Max total number of nodes	240⁴		1, 2
Signaling interface	RS485
Communication protocol	Proprietary
Min transmission rate	115200	b/s
Max transmission rate	2	Mb/s

Bus Network Segment	Value	Unit	Note	Condition
Max cable length vs cable type	1000	m		Belden 3082A
	500			Belden 3084A
	200			Modular-6 (RJ12)
	100			Modular-4 (RJ11)
Max distributed Power	15	W
Max distributed Voltage	16	V
Max distributed Current	1.5	A
Max number of nodes	240		2

Notes:	1. addressable units, practically limited to distributed power suppy.
	2. nodes = Data Acquisition Modules or Sub-Networks.

Computer Interface & Data Acquisition Modules
All modules	Value	Unit	Note	Condition
Isolation voltage	±4	kV
Isolation voltage	±6	kV		-HV version
Measured temperature resolution	0.5	°C
Operating temperature range	+10 − +40	°C
Time resolution	10	µs	1
Power supply voltage range	6 to 16	V

Block Voltage Modules BA673	Value	Unit	Note	Condition
Measured block/cell voltage channels	8			in series
Probe resistance	2	MΩ	2
Differential input impedance	6	MΩ	3
Max measuring current	±20	µA		8 x 15 V
Measuring voltage range	±20	V
Measuring accuracy	±0.1	%	4
Measured voltage resolution	1	mV
Continuous common mode voltage	±500	V
Continuous common mode voltage	±800	V		-HV version
Continuous over-voltage	±3	kV
Peak over-voltage	±10	kV		10µs pulse
Power supply current	2	mA

String Current Modules BA672-CT	Value	Unit	Note	Condition
Measured string current channels	4
Input impedance	1	MΩ
Measuring voltage range	±12	V	5
Measuring accuracy	±0.1	%	4, 6
Power supply current	30	mA		+ 50mA/CT

Notes:	1. Using 240 x over-sampling.
	2. The probe resistor is integrated in terminal connector.
	3. Including probe resistance.
	4. After calibration.
	5. Output voltage from current transducer is ± 5V at nominal (FS) current.
	6. Not including error from current transducer (typical 1%FS).

All specifications are subject to change without notice.